DotNet 4.8.1 build of DotNetBar
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235
PROMS/DotNetBar Source Code/Ribbon/ThemedButtonItemPainter.cs
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235
PROMS/DotNetBar Source Code/Ribbon/ThemedButtonItemPainter.cs
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using System;
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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 ThemedButtonItemPainter.
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/// </summary>
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public class ThemedButtonItemPainter
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{
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public static void PaintButton(ButtonItem button, ItemPaintArgs pa)
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{
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System.Drawing.Graphics g=pa.Graphics;
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ThemeToolbar theme=pa.ThemeToolbar;
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ThemeToolbarParts part=ThemeToolbarParts.Button;
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ThemeToolbarStates state=ThemeToolbarStates.Normal;
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Color textColor=ButtonItemPainterHelper.GetTextColor(button,pa);
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Rectangle rectImage=Rectangle.Empty;
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Rectangle itemRect=button.DisplayRectangle;
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Font font=null;
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CompositeImage image=button.GetImage();
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font=button.GetFont(pa, false);
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eTextFormat format= GetStringFormat(button, pa, image);
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bool bSplitButton=(button.SubItems.Count>0 || button.PopupType==ePopupType.Container) && button.ShowSubItems && !button.SubItemsRect.IsEmpty;
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if(bSplitButton)
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part=ThemeToolbarParts.SplitButton;
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// Calculate image position
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if(image!=null)
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{
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if(button.ImagePosition==eImagePosition.Top || button.ImagePosition==eImagePosition.Bottom)
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rectImage=new Rectangle(button.ImageDrawRect.X,button.ImageDrawRect.Y,itemRect.Width,button.ImageDrawRect.Height);
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else
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rectImage=new Rectangle(button.ImageDrawRect.X,button.ImageDrawRect.Y,button.ImageDrawRect.Width,button.ImageDrawRect.Height);
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rectImage.Offset(itemRect.Left,itemRect.Top);
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rectImage.Offset((rectImage.Width-button.ImageSize.Width)/2,(rectImage.Height-button.ImageSize.Height)/2);
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rectImage.Width=button.ImageSize.Width;
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rectImage.Height=button.ImageSize.Height;
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}
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// Set the state and text brush
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if(!ButtonItemPainter.IsItemEnabled(button, pa))
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{
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state=ThemeToolbarStates.Disabled;
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}
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else if(button.IsMouseDown)
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{
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state=ThemeToolbarStates.Pressed;
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}
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else if(button.IsMouseOver && button.Checked)
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{
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state=ThemeToolbarStates.HotChecked;
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}
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else if(button.IsMouseOver || button.Expanded)
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{
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state=ThemeToolbarStates.Hot;
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}
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else if(button.Checked)
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{
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state=ThemeToolbarStates.Checked;
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}
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Rectangle backRect=button.DisplayRectangle;
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if(button.HotTrackingStyle==eHotTrackingStyle.Image && image!=null)
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{
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backRect=rectImage;
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backRect.Inflate(3,3);
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}
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else if(bSplitButton)
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{
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backRect.Width=backRect.Width-button.SubItemsRect.Width;
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}
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// Draw Button Background
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if(button.HotTrackingStyle!=eHotTrackingStyle.None)
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{
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theme.DrawBackground(g,part,state,backRect);
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}
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// Draw Image
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if(image!=null && button.ButtonStyle!=eButtonStyle.TextOnlyAlways)
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{
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if(state==ThemeToolbarStates.Normal && button.HotTrackingStyle==eHotTrackingStyle.Color)
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{
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// Draw gray-scale image for this hover style...
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float[][] array = new float[5][];
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array[0] = new float[5] {0.2125f, 0.2125f, 0.2125f, 0, 0};
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array[1] = new float[5] {0.5f, 0.5f, 0.5f, 0, 0};
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array[2] = new float[5] {0.0361f, 0.0361f, 0.0361f, 0, 0};
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array[3] = new float[5] {0, 0, 0, 1, 0};
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array[4] = new float[5] {0.2f, 0.2f, 0.2f, 0, 1};
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System.Drawing.Imaging.ColorMatrix grayMatrix = new System.Drawing.Imaging.ColorMatrix(array);
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System.Drawing.Imaging.ImageAttributes att = new System.Drawing.Imaging.ImageAttributes();
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att.SetColorMatrix(grayMatrix);
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//g.DrawImage(image,rectImage,0,0,image.Width,image.Height,GraphicsUnit.Pixel,att);
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image.DrawImage(g,rectImage,0,0,image.Width,image.Height,GraphicsUnit.Pixel,att);
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}
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else if(state==ThemeToolbarStates.Normal && !image.IsIcon)
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{
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// Draw image little bit lighter, I decied to use gamma it is easy
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System.Drawing.Imaging.ImageAttributes lightImageAttr = new System.Drawing.Imaging.ImageAttributes();
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lightImageAttr.SetGamma(.7f,System.Drawing.Imaging.ColorAdjustType.Bitmap);
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//g.DrawImage(image,rectImage,0,0,image.Width,image.Height,GraphicsUnit.Pixel,lightImageAttr);
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image.DrawImage(g,rectImage,0,0,image.Width,image.Height,GraphicsUnit.Pixel,lightImageAttr);
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}
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else
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{
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image.DrawImage(g,rectImage);
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}
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}
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// Draw Text
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if(button.ButtonStyle==eButtonStyle.ImageAndText || button.ButtonStyle==eButtonStyle.TextOnlyAlways || image==null)
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{
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Rectangle rectText=button.TextDrawRect;
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if(button.ImagePosition==eImagePosition.Top || button.ImagePosition==eImagePosition.Bottom)
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{
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if(button.Orientation==eOrientation.Vertical)
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{
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rectText=new Rectangle(button.TextDrawRect.X,button.TextDrawRect.Y,button.TextDrawRect.Width,button.TextDrawRect.Height);
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}
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else
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{
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rectText=new Rectangle(button.TextDrawRect.X,button.TextDrawRect.Y,itemRect.Width,button.TextDrawRect.Height);
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if((button.SubItems.Count>0 || button.PopupType==ePopupType.Container) && button.ShowSubItems)
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rectText.Width-=10;
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}
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format|=eTextFormat.HorizontalCenter;
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}
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rectText.Offset(itemRect.Left,itemRect.Top);
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if(button.Orientation==eOrientation.Vertical)
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{
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g.RotateTransform(90);
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TextDrawing.DrawStringLegacy(g,ButtonItemPainter.GetDrawText(button.Text),font,textColor,new Rectangle(rectText.Top,-rectText.Right,rectText.Height,rectText.Width),format);
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g.ResetTransform();
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}
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else
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{
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if(rectText.Right>button.DisplayRectangle.Right)
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rectText.Width=button.DisplayRectangle.Right-rectText.Left;
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TextDrawing.DrawString(g,ButtonItemPainter.GetDrawText(button.Text),font,textColor,rectText,format);
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if(!button.DesignMode && button.Focused && !pa.IsOnMenu && !pa.IsOnMenuBar)
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{
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//SizeF szf=g.MeasureString(m_Text,font,rectText.Width,format);
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Rectangle r=rectText;
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//r.Width=(int)Math.Ceiling(szf.Width);
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//r.Height=(int)Math.Ceiling(szf.Height);
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//r.Inflate(1,1);
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System.Windows.Forms.ControlPaint.DrawFocusRectangle(g,r);
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}
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}
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}
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// If it has subitems draw the triangle to indicate that
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if(bSplitButton)
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{
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part=ThemeToolbarParts.SplitButtonDropDown;
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if(!ButtonItemPainter.IsItemEnabled(button, pa))
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state=ThemeToolbarStates.Disabled;
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else
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state=ThemeToolbarStates.Normal;
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if(button.HotTrackingStyle!=eHotTrackingStyle.None && button.HotTrackingStyle!=eHotTrackingStyle.Image && ButtonItemPainter.IsItemEnabled(button, pa))
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{
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if(button.Expanded || button.IsMouseDown)
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state=ThemeToolbarStates.Pressed;
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else if(button.IsMouseOver && button.Checked)
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state=ThemeToolbarStates.HotChecked;
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else if(button.Checked)
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state=ThemeToolbarStates.Checked;
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else if(button.IsMouseOver)
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state=ThemeToolbarStates.Hot;
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}
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if (!button.AutoExpandOnClick)
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{
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if (button.Orientation == eOrientation.Horizontal)
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{
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Rectangle r = button.SubItemsRect;
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r.Offset(itemRect.X, itemRect.Y);
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theme.DrawBackground(g, part, state, r);
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}
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else
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{
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Rectangle r = button.SubItemsRect;
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r.Offset(itemRect.X, itemRect.Y);
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theme.DrawBackground(g, part, state, r);
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}
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}
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}
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if(button.Focused && button.DesignMode)
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{
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Rectangle r=itemRect;
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r.Inflate(-1,-1);
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DesignTime.DrawDesignTimeSelection(g,r,pa.Colors.ItemDesignTimeBorder);
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}
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if(image!=null)
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image.Dispose();
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}
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private static eTextFormat GetStringFormat(ButtonItem button, ItemPaintArgs pa, CompositeImage image)
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{
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eTextFormat stringFormat=pa.ButtonStringFormat;
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bool isOnMenu = IsOnMenu(button, pa);
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if(!isOnMenu)
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{
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if(button.ContainerControl is RibbonStrip && (image==null || button.ImagePosition==eImagePosition.Top || button.ImagePosition==eImagePosition.Bottom))
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stringFormat |= eTextFormat.HorizontalCenter;
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else if(pa.IsOnMenuBar || pa.ContainerControl is Bar && image==null || button.ImagePosition==eImagePosition.Top || button.ImagePosition==eImagePosition.Bottom)
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stringFormat |= eTextFormat.HorizontalCenter;
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}
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return stringFormat;
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}
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private static bool IsOnMenu(ButtonItem button, ItemPaintArgs pa)
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{
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bool isOnMenu = pa.IsOnMenu;
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if (isOnMenu && button.Parent is ItemContainer)
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isOnMenu = false;
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return isOnMenu;
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}
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}
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}
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