DotNet 4.8.1 build of DotNetBar
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368
PROMS/DotNetBar Source Code/Editors/VisualButton.cs
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368
PROMS/DotNetBar Source Code/Editors/VisualButton.cs
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#if FRAMEWORK20
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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using System.ComponentModel;
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using System.Collections;
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using DevComponents.DotNetBar;
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using DevComponents.DotNetBar.Rendering;
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namespace DevComponents.Editors
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{
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public class VisualButton : VisualButtonBase
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{
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#region Private Variables
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#endregion
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#region Events
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#endregion
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#region Constructor
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#endregion
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#region Internal Implementation
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public override void PerformLayout(PaintInfo pi)
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{
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Size size = new Size(0, (_Height > 0 ? Dpi.Height(_Height) : pi.AvailableSize.Height));
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Graphics g = pi.Graphics;
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size.Width += Dpi.Width6; // Border 2 pixels on each side and 1 pixels of padding between border and content
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if (_Text.Length > 0)
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{
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Size textSize = TextDrawing.MeasureString(g, _Text, pi.DefaultFont);
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size.Width += textSize.Width;
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if (_Image != null)
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size.Width += Dpi.Width4; // Padding between text and image
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}
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if (!string.IsNullOrEmpty(_SymbolRealized))
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{
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size.Width += size.Height;
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}
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else if (_Image != null)
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{
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size.Width += Dpi.Width(_Image.Width);
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}
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if (_Text.Length == 0 && _Image == null && string.IsNullOrEmpty(_SymbolRealized))
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size.Width += Dpi.Width9;
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this.Size = size;
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this.CalculatedSize = size;
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base.PerformLayout(pi);
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}
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private int _Height = 0;
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/// <summary>
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/// Gets or sets the fixed button height.
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/// </summary>
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public int Height
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{
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get { return _Height; }
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set { _Height = value; }
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}
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protected override void OnPaint(PaintInfo p)
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{
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Graphics g = p.Graphics;
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Rectangle r = this.RenderBounds;
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PaintButtonBackground(p);
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Rectangle contentRect = r;
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contentRect.Inflate(-3, -3); // Two pixels border + 1 pixels padding for content
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if (!string.IsNullOrEmpty(_Text))
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{
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TextDrawing.DrawString(g, _Text, p.DefaultFont, GetIsEnabled(p) ? p.ForeColor : p.DisabledForeColor, contentRect, eTextFormat.Default | eTextFormat.VerticalCenter);
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}
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if (!string.IsNullOrEmpty(_SymbolRealized))
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{
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Office2007ButtonItemStateColorTable ct = GetOffice2007StateColorTable(p);
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Color symbolColor=(GetIsEnabled(p) ? p.ForeColor : p.DisabledForeColor);
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if (!_SymbolColor.IsEmpty)
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symbolColor = _SymbolColor;
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else if (!ct.Text.IsEmpty)
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symbolColor = ct.Text;
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float symbolSize = Math.Max(1, Math.Min(r.Width, r.Height) * 72 / g.DpiX - 1.5f);
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Rectangle sr = contentRect;
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if (!string.IsNullOrEmpty(_Text))
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sr = new Rectangle(contentRect.Right - contentRect.Height, contentRect.Y, contentRect.Height, contentRect.Height);
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sr.Inflate(3, 3);
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TextDrawing.DrawStringLegacy(g, _SymbolRealized, Symbols.GetFont(symbolSize, _SymbolSet),
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symbolColor, sr, eTextFormat.HorizontalCenter | eTextFormat.VerticalCenter);
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}
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else if (_Image != null)
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{
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Image image = GetIsEnabled(p) ? _Image : GetDisabledImage();
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Size imageSize = Dpi.ImageSize(image.Size);
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g.DrawImage(image, new Rectangle(contentRect.Right - (imageSize.Width + (string.IsNullOrEmpty(_Text)?(contentRect.Width - imageSize.Width) / 2:0)),
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contentRect.Y + (contentRect.Height - imageSize.Height) / 2, imageSize.Width, imageSize.Height));
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}
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base.OnPaint(p);
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}
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protected virtual void PaintButtonBackground(PaintInfo p)
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{
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PaintButtonBackground(p, GetOffice2007StateColorTable(p));
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}
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protected virtual void PaintButtonBackground(PaintInfo p, Office2007ButtonItemStateColorTable ct)
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{
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Graphics g = p.Graphics;
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Rectangle r = this.RenderBounds;
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if (RenderBackground(p))
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Office2007ButtonItemPainter.PaintBackground(g, ct, r, RoundRectangleShapeDescriptor.RectangleShape);
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}
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private bool RenderBackground(PaintInfo p)
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{
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if (RenderDefaultBackground) return true;
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if (!p.MouseOver && !this.IsMouseDown && !this.IsMouseOver && !this.Checked || !this.GetIsEnabled())
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return false;
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return true;
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}
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protected Office2007ButtonItemStateColorTable GetOffice2007StateColorTable(PaintInfo p)
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{
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if (GlobalManager.Renderer is Office2007Renderer)
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{
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Office2007ColorTable ct = ((Office2007Renderer)GlobalManager.Renderer).ColorTable;
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Office2007ButtonItemColorTable buttonColorTable = ct.ButtonItemColors[Enum.GetName(typeof(eButtonColor), eButtonColor.OrangeWithBackground)];
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if (!this.GetIsEnabled(p))
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return buttonColorTable.Disabled;
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else if (this.IsMouseDown)
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return buttonColorTable.Pressed;
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else if (this.IsMouseOver)
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return buttonColorTable.MouseOver;
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else if (this.Checked)
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return buttonColorTable.Checked;
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else
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return buttonColorTable.Default;
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}
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return null;
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}
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protected override void OnMouseEnter()
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{
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if (this.GetIsEnabled())
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this.IsMouseOver = true;
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base.OnMouseEnter();
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}
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protected override void OnMouseLeave()
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{
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this.IsMouseOver = false;
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base.OnMouseLeave();
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}
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protected override void OnMouseDown(System.Windows.Forms.MouseEventArgs e)
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{
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if (e.Button == System.Windows.Forms.MouseButtons.Left)
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{
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this.IsMouseDown = true;
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}
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base.OnMouseDown(e);
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}
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protected override void OnMouseUp(System.Windows.Forms.MouseEventArgs e)
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{
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if (e.Button == System.Windows.Forms.MouseButtons.Left)
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this.IsMouseDown = false;
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base.OnMouseUp(e);
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}
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private bool _IsMouseOver = false;
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/// <summary>
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/// Gets whether mouse is over the control.
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/// </summary>
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public bool IsMouseOver
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{
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get { return _IsMouseOver; }
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internal set
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{
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if (_IsMouseOver != value)
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{
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_IsMouseOver = value;
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this.InvalidateRender();
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}
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}
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}
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private bool _IsMouseDown = false;
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/// <summary>
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/// Gets whether mouse is pressed on the control.
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/// </summary>
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public bool IsMouseDown
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{
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get { return _IsMouseDown; }
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internal set
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{
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if (_IsMouseDown != value)
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{
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_IsMouseDown = value;
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this.InvalidateRender();
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}
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}
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}
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private bool _Checked;
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public bool Checked
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{
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get { return _Checked; }
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set
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{
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if (_Checked != value)
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{
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_Checked = value;
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this.InvalidateRender();
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}
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}
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}
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private string _Text = "";
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/// <summary>
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/// Gets or sets the text displayed on the face of the button.
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/// </summary>
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[DefaultValue("")]
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public string Text
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{
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get { return _Text; }
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set
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{
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if (value == null) value = "";
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if (_Text != value)
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{
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_Text = value;
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this.InvalidateArrange();
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}
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}
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}
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private Image GetDisabledImage()
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{
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if (_DisabledImage == null && _Image != null)
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{
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_DisabledImage = ImageHelper.CreateGrayScaleImage(_Image as Bitmap);
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}
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return _DisabledImage;
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}
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private Image _DisabledImage = null;
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private Image _Image = null;
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/// <summary>
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/// Gets or sets the image displayed on the face of the button.
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/// </summary>
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[DefaultValue(null)]
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public Image Image
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{
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get { return _Image; }
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set
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{
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if (_Image != value)
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{
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_Image = value;
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if (_DisabledImage != null)
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{
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_DisabledImage.Dispose();
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_DisabledImage = null;
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}
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this.InvalidateArrange();
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}
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}
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}
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/// <summary>
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/// Gets the realized symbol string.
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/// </summary>
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[Browsable(false)]
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public string SymbolRealized
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{
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get { return _SymbolRealized; }
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}
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private string _Symbol = "", _SymbolRealized = "";
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/// <summary>
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/// Indicates the symbol displayed on face of the button instead of the image. Setting the symbol overrides the image setting.
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/// </summary>
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[DefaultValue(""), Category("Appearance"), Description("Indicates the symbol displayed on face of the button instead of the image. Setting the symbol overrides the image setting.")]
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[Editor("DevComponents.DotNetBar.Design.SymbolTypeEditor, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf", typeof(System.Drawing.Design.UITypeEditor))]
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public string Symbol
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{
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get { return _Symbol; }
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set
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{
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if (value != _Symbol)
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{
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string oldValue = _Symbol;
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_Symbol = value;
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OnSymbolChanged(oldValue, value);
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}
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}
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}
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/// <summary>
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/// Called when Symbol property has changed.
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/// </summary>
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/// <param name="oldValue">Old property value</param>
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/// <param name="newValue">New property value</param>
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protected virtual void OnSymbolChanged(string oldValue, string newValue)
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{
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if (string.IsNullOrEmpty(newValue))
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_SymbolRealized = "";
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else
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_SymbolRealized = Symbols.GetSymbol(newValue);
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//OnPropertyChanged(new PropertyChangedEventArgs("Symbol"));
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this.InvalidateArrange();
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}
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private eSymbolSet _SymbolSet = eSymbolSet.Awesome;
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/// <summary>
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/// Gets or sets the symbol set used to represent the Symbol.
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/// </summary>
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[Browsable(false), DefaultValue(eSymbolSet.Awesome)]
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public eSymbolSet SymbolSet
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{
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get { return _SymbolSet; }
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set
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{
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if (_SymbolSet != value)
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{
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eSymbolSet oldValue = _SymbolSet;
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_SymbolSet = value;
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OnSymbolSetChanged(oldValue, value);
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}
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}
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}
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/// <summary>
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/// Called when SymbolSet property value changes.
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/// </summary>
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/// <param name="oldValue">Indciates old value</param>
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/// <param name="newValue">Indicates new value</param>
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protected virtual void OnSymbolSetChanged(eSymbolSet oldValue, eSymbolSet newValue)
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{
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this.InvalidateArrange();
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}
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private Color _SymbolColor = Color.Empty;
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/// <summary>
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/// Gets or sets the color of the Symbol.
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/// </summary>
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[Category("Appearance"), Description("Indicates color of the Symbol.")]
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public Color SymbolColor
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{
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get { return _SymbolColor; }
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set { _SymbolColor = value; this.InvalidateRender(); }
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}
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#endregion
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}
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}
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#endif
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