513 lines
13 KiB
C#
513 lines
13 KiB
C#
using System;
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using System.Windows.Forms;
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using System.Drawing;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Summary description for ExplorerBarPanelControl.
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/// </summary>
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[System.ComponentModel.ToolboxItem(false),System.ComponentModel.DesignTimeVisible(false),System.Runtime.InteropServices.ComVisible(false)]
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public class ExplorerBarPanelControlHost:Control,IThemeCache
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{
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private ExplorerBarGroupItem m_ParentPanel=null;
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private BaseItem m_HotSubItem=null;
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private Point m_MouseDownPt=Point.Empty;
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// Theme Caching Support
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private ThemeWindow m_ThemeWindow=null;
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private ThemeRebar m_ThemeRebar=null;
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private ThemeToolbar m_ThemeToolbar=null;
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private ThemeHeader m_ThemeHeader=null;
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private ThemeScrollBar m_ThemeScrollBar=null;
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private ThemeExplorerBar m_ThemeExplorerBar=null;
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private ScrollButton m_TopScrollButton=null;
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private ScrollButton m_BottomScrollButton=null;
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public ExplorerBarPanelControlHost(ExplorerBarGroupItem parentPanel)
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{
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this.SetStyle(ControlStyles.UserPaint,true);
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this.SetStyle(ControlStyles.AllPaintingInWmPaint,true);
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this.SetStyle(ControlStyles.Opaque,true);
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this.SetStyle(ControlStyles.ResizeRedraw,true);
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this.SetStyle(ControlStyles.DoubleBuffer,true);
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this.TabStop=false;
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m_TopScrollButton=new ScrollButton();
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m_TopScrollButton.UseTimer=false;
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m_TopScrollButton.StandardButton=true;
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m_TopScrollButton.Visible=false;
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m_TopScrollButton.Orientation=eOrientation.Vertical;
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m_TopScrollButton.ButtonAlignment=eItemAlignment.Near;
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m_TopScrollButton.Size=new Size(16,16);
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this.Controls.Add(m_TopScrollButton);
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m_BottomScrollButton=new ScrollButton();
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m_BottomScrollButton.UseTimer=false;
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m_BottomScrollButton.StandardButton=true;
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m_BottomScrollButton.Visible=false;
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m_BottomScrollButton.Orientation=eOrientation.Vertical;
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m_BottomScrollButton.ButtonAlignment=eItemAlignment.Far;
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m_BottomScrollButton.Size=new Size(16,16);
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this.Controls.Add(m_BottomScrollButton);
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m_BottomScrollButton.MouseDown+=new MouseEventHandler(ScrollButtonClick);
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m_TopScrollButton.MouseDown+=new MouseEventHandler(ScrollButtonClick);
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m_ParentPanel=parentPanel;
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foreach(BaseItem item in m_ParentPanel.SubItems)
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item.ContainerControl=this;
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}
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public void SetupScrollButtons()
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{
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// Setup scroll buttons
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if(m_ParentPanel.ExpandButtonVisible)
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{
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m_TopScrollButton.Location=new Point(this.Width-18,4);
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m_TopScrollButton.UseThemes=m_ParentPanel.UseThemes;
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m_TopScrollButton.BringToFront();
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if(!m_TopScrollButton.Visible)
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{
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m_TopScrollButton.Visible=true;
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}
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}
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else
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m_TopScrollButton.Visible=false;
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}
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private void ScrollButtonClick(object sender, MouseEventArgs e)
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{
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if(e.Button!=MouseButtons.Left)
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return;
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if(sender==m_TopScrollButton)
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{
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// Scroll up
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m_ParentPanel.ExpandButtonClick();
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}
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else
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{
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m_ParentPanel.ExpandButtonClick();
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}
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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if(m_ParentPanel==null || this.IsDisposed)
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return;
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//SetupScrollButtons();
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ItemPaintArgs pa=new ItemPaintArgs(m_ParentPanel.GetOwner() as IOwner,this,e.Graphics,new ColorScheme(e.Graphics));
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if(m_ParentPanel.UseThemes)
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{
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((IThemeCache)this).ThemeRebar.DrawBackground(e.Graphics,ThemeRebarParts.Background,ThemeRebarStates.Normal,this.DisplayRectangle);
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}
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else
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{
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//e.Graphics.Clear(m_ParentPanel.BackColor);
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}
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for(int i=0;i<m_ParentPanel.SubItems.Count;i++)
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{
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BaseItem item=m_ParentPanel.SubItems[i];
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if(!item.Displayed || !item.Visible)
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continue;
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item.Paint(pa);
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}
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}
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private void InternalClick(System.Windows.Forms.MouseButtons mb, System.Drawing.Point mpos)
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{
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalClick(mb,mpos);
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return;
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}
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}
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private void InternalDoubleClick(System.Windows.Forms.MouseButtons mb, System.Drawing.Point mpos)
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{
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalDoubleClick(mb,mpos);
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}
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}
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private void InternalKeyDown(System.Windows.Forms.KeyEventArgs objArg)
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{
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if(m_ParentPanel.DesignMode)
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{
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objArg.Handled=true;
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return;
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}
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalKeyDown(objArg);
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}
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}
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private void InternalMouseDown(System.Windows.Forms.MouseEventArgs objArg)
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{
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IOwner owner=null;
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// Colapse any item if expanded
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m_MouseDownPt=new System.Drawing.Point(objArg.X,objArg.Y);
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BaseItem objItem=m_ParentPanel.ExpandedItem();
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if(objItem!=null && objItem!=m_HotSubItem && !m_ParentPanel.DesignMode)
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{
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objItem.Expanded=false;
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m_ParentPanel.AutoExpand=false;
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}
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if(m_ParentPanel.DesignMode && m_ParentPanel.CanCustomize)
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{
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if(m_ParentPanel.IsContainer && m_ParentPanel.SubItems.Count>0)
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{
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BaseItem objNew=ItemAtLocation(objArg.X,objArg.Y);
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if(objNew!=null && objNew.CanCustomize)
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{
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owner=m_ParentPanel.GetOwner() as IOwner;
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if(owner!=null)
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owner.SetFocusItem(objNew);
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}
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if(objNew!=null)
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objNew.InternalMouseDown(objArg);
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}
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if(objArg.Button==System.Windows.Forms.MouseButtons.Right && !m_ParentPanel.IsContainer)
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{
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owner=m_ParentPanel.GetOwner() as IOwner;
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if(owner!=null)
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owner.DesignTimeContextMenu(m_ParentPanel);
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}
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}
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if(!m_ParentPanel.DesignMode)
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{
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owner=m_ParentPanel.GetOwner() as IOwner;
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if(owner!=null && owner.GetFocusItem()!=null)
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{
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BaseItem objNew=ItemAtLocation(objArg.X,objArg.Y);
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if(objNew!=owner.GetFocusItem())
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owner.GetFocusItem().ReleaseFocus();
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}
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}
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalMouseDown(objArg);
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}
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}
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private void InternalMouseHover()
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{
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if(m_ParentPanel.DesignMode)
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return;
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if(m_HotSubItem!=null)
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{
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if(!m_ParentPanel.AutoExpand)
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{
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BaseItem objItem=m_ParentPanel.ExpandedItem();
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if(objItem!=null && m_HotSubItem!=objItem && (m_ParentPanel.IsOnMenu || m_ParentPanel.ContainerControl is Bar))
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objItem.Expanded=false;
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}
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// Changing the Expanded of the item can cause hot sub item to be set to null
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if(m_HotSubItem!=null)
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m_HotSubItem.InternalMouseHover();
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}
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}
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public virtual void InternalMouseLeave()
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{
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if(m_ParentPanel.DesignMode)
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return;
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// If we had hot sub item pass the mouse leave message to it...
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalMouseLeave();
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m_HotSubItem=null;
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}
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}
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private void InternalMouseMove(System.Windows.Forms.MouseEventArgs objArg)
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{
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if(m_ParentPanel.DesignMode && objArg.Button==System.Windows.Forms.MouseButtons.Left && (Math.Abs(objArg.X-m_MouseDownPt.X)>=2 || Math.Abs(objArg.Y-m_MouseDownPt.Y)>=2))
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{
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BaseItem objFocus=m_ParentPanel.FocusedItem();
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if(objFocus!=null && objFocus.CanCustomize)
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{
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if(!objFocus.SystemItem)
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{
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IOwner owner=m_ParentPanel.GetOwner() as IOwner;
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if(owner!=null)
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owner.StartItemDrag(objFocus);
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}
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}
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else if(!m_ParentPanel.IsContainer)
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{
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if(!m_ParentPanel.SystemItem && m_ParentPanel.CanCustomize)
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{
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IOwner owner=m_ParentPanel.GetOwner() as IOwner;
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if(owner!=null)
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owner.StartItemDrag(m_ParentPanel);
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}
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}
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return;
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}
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// If item is container and not in design time...
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if(m_ParentPanel.IsContainer && !m_ParentPanel.DesignMode)
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{
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BaseItem objNew=ItemAtLocation(objArg.X,objArg.Y);
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if(objNew!=m_HotSubItem)
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{
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if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalMouseLeave();
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if(objNew!=null && m_HotSubItem.Expanded && (m_ParentPanel.IsOnMenu || m_ParentPanel.ContainerControl is Bar))
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m_HotSubItem.Expanded=false;
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}
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if(objNew!=null)
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{
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if(m_ParentPanel.AutoExpand)
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{
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BaseItem objItem=m_ParentPanel.ExpandedItem();
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if(objItem!=null && objItem!=objNew)
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objItem.Expanded=false;
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}
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objNew.InternalMouseEnter();
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objNew.InternalMouseMove(objArg);
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if(m_ParentPanel.AutoExpand && objNew.Enabled && objNew.ShowSubItems)
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{
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if(objNew is PopupItem)
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{
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PopupItem pi=objNew as PopupItem;
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ePopupAnimation oldAnim=pi.PopupAnimation;
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pi.PopupAnimation=ePopupAnimation.None;
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if(objNew.SubItems.Count>0)
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objNew.Expanded=true;
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pi.PopupAnimation=oldAnim;
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}
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else
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objNew.Expanded=true;
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}
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m_HotSubItem=objNew;
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ResetHover();
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}
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else
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m_HotSubItem=null;
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}
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else if(m_HotSubItem!=null)
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{
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m_HotSubItem.InternalMouseMove(objArg);
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}
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}
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}
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private BaseItem ItemAtLocation(int x, int y)
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{
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foreach(BaseItem objSub in m_ParentPanel.SubItems)
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{
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if((objSub.Visible || m_ParentPanel.IsOnCustomizeMenu) && objSub.Displayed && objSub.DisplayRectangle.Contains(x,y))
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{
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return objSub;
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}
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}
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return null;
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}
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private void ResetHover()
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{
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// We need to reset hover thing since it is fired only first time mouse hovers inside the window and we need it for each of our items
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NativeFunctions.TRACKMOUSEEVENT tme=new NativeFunctions.TRACKMOUSEEVENT();
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tme.dwFlags=NativeFunctions.TME_QUERY;
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tme.hwndTrack=(int)this.Handle;
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tme.cbSize=System.Runtime.InteropServices.Marshal.SizeOf(tme);
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NativeFunctions.TrackMouseEvent(ref tme);
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tme.dwFlags=tme.dwFlags | NativeFunctions.TME_HOVER;
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NativeFunctions.TrackMouseEvent(ref tme);
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}
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protected override void OnClick(EventArgs e)
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{
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InternalClick(Control.MouseButtons,Control.MousePosition);
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base.OnClick(e);
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}
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protected override void OnDoubleClick(EventArgs e)
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{
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InternalDoubleClick(Control.MouseButtons,Control.MousePosition);
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base.OnDoubleClick(e);
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}
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protected override void OnKeyDown(KeyEventArgs e)
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{
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InternalKeyDown(e);
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base.OnKeyDown(e);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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InternalMouseDown(e);
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base.OnMouseDown(e);
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}
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protected override void OnMouseHover(EventArgs e)
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{
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base.OnMouseHover(e);
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InternalMouseHover();
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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if(this.Cursor!=System.Windows.Forms.Cursors.Arrow)
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this.Cursor=System.Windows.Forms.Cursors.Arrow;
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InternalMouseLeave();
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base.OnMouseLeave(e);
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}
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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InternalMouseMove(e);
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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if(m_HotSubItem!=null)
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m_HotSubItem.InternalMouseUp(e);
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}
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DevComponents.DotNetBar.ThemeWindow IThemeCache.ThemeWindow
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{
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get
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{
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if(m_ThemeWindow==null)
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m_ThemeWindow=new ThemeWindow(this);
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return m_ThemeWindow;
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}
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}
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DevComponents.DotNetBar.ThemeRebar IThemeCache.ThemeRebar
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{
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get
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{
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if(m_ThemeRebar==null)
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m_ThemeRebar=new ThemeRebar(this);
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return m_ThemeRebar;
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}
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}
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DevComponents.DotNetBar.ThemeToolbar IThemeCache.ThemeToolbar
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{
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get
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{
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if(m_ThemeToolbar==null)
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m_ThemeToolbar=new ThemeToolbar(this);
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return m_ThemeToolbar;
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}
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}
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DevComponents.DotNetBar.ThemeHeader IThemeCache.ThemeHeader
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{
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get
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{
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if(m_ThemeHeader==null)
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m_ThemeHeader=new ThemeHeader(this);
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return m_ThemeHeader;
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}
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}
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DevComponents.DotNetBar.ThemeScrollBar IThemeCache.ThemeScrollBar
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{
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get
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{
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if(m_ThemeScrollBar==null)
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m_ThemeScrollBar=new ThemeScrollBar(this);
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return m_ThemeScrollBar;
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}
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}
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DevComponents.DotNetBar.ThemeExplorerBar IThemeCache.ThemeExplorerBar
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{
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get
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{
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if(m_ThemeExplorerBar==null)
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m_ThemeExplorerBar=new ThemeExplorerBar(this);
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return m_ThemeExplorerBar;
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}
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}
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protected override void OnHandleDestroyed(EventArgs e)
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{
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DisposeThemes();
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base.OnHandleDestroyed(e);
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}
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private void DisposeThemes()
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{
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if(m_ThemeWindow!=null)
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{
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m_ThemeWindow.Dispose();
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m_ThemeWindow=null;
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}
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if(m_ThemeRebar!=null)
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{
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m_ThemeRebar.Dispose();
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m_ThemeRebar=null;
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}
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if(m_ThemeToolbar!=null)
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{
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m_ThemeToolbar.Dispose();
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m_ThemeToolbar=null;
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}
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if(m_ThemeHeader!=null)
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{
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m_ThemeHeader.Dispose();
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m_ThemeHeader=null;
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}
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if(m_ThemeScrollBar!=null)
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{
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m_ThemeScrollBar.Dispose();
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m_ThemeScrollBar=null;
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}
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}
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protected override void WndProc(ref Message m)
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{
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if(m.Msg==NativeFunctions.WM_THEMECHANGED)
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{
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this.RefreshThemes();
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}
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base.WndProc(ref m);
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}
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private void RefreshThemes()
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{
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if(m_ThemeWindow!=null)
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{
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m_ThemeWindow.Dispose();
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m_ThemeWindow=new ThemeWindow(this);
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}
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if(m_ThemeRebar!=null)
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{
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m_ThemeRebar.Dispose();
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m_ThemeRebar=new ThemeRebar(this);
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}
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if(m_ThemeToolbar!=null)
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{
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m_ThemeToolbar.Dispose();
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m_ThemeToolbar=new ThemeToolbar(this);
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}
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if(m_ThemeHeader!=null)
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{
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m_ThemeHeader.Dispose();
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m_ThemeHeader=new ThemeHeader(this);
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}
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if(m_ThemeScrollBar!=null)
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{
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m_ThemeScrollBar.Dispose();
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m_ThemeScrollBar=new ThemeScrollBar(this);
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}
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}
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}
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}
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