mirror-processhacker/trunk/ProcessHacker/Components/TaskbarLib/ThumbnailBarButton.cs

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Drawing;
using TaskbarLib;
   
/// <summary>
/// Represents a thumbnail toolbar button.
/// </summary> 
public class ThumbnailBarButton : ThumbnailBarButtonBase
{  
    private Bitmap icon;
    private uint imageIndex;
  
    /// <summary>
    /// Initializes a <see cref="ThumbnailBarButton"/> with a Bitmap icon.
    /// </summary>
    /// <param name="icon">Icon of the button.</param>
    /// <param name="tooltip">Tooltip of the button.</param>
    /// <param name="isHidden">Specifies whether button is hidden initially.</param>
    /// <param name="isDisabled">Specifies whether button is disabled initially.</param>
    /// <param name="isDismissedOnClick">Specifies whether button is dismissed on click.</param>
    /// <param name="hasBackground">Specifies whether button has background.</param>
    public ThumbnailBarButton(Bitmap icon, string tooltip, bool isHidden, bool isDisabled, bool isDismissedOnClick, bool hasBackground) 
        : base(tooltip, isHidden, isDisabled, isDismissedOnClick, hasBackground)
        {
            this.icon = icon;
            if (icon != null)
            {
                this.IconHandle = new IconHandle(icon.GetHicon());
            }
        }

    /// <summary>
    /// Initializes a <see cref="ThumbnailBarButton"/> with an icon resides in an <see cref="ImageList"/>.
    /// </summary>
    /// <param name="imageIndex">Index of the image from associated <see cref="System.Windows.Forms.ImageList"/>.</param>
    /// <param name="tooltip">Tooltip of the button.</param>
    /// <param name="isHidden">Specifies whether button is hidden initially.</param>
    /// <param name="isDisabled">Specifies whether button is disabled initially.</param>
    /// <param name="isDismissedOnClick">Specifies whether button is dismissed on click.</param>
    /// <param name="hasBackground">Specifies whether button has background.</param> 
    public ThumbnailBarButton(uint imageIndex, string tooltip, bool isHidden, bool isDisabled, bool isDismissedOnClick, bool hasBackground)   
        : base(tooltip, isHidden, isDisabled, isDismissedOnClick, hasBackground)
        {
            this.imageIndex = imageIndex;
        }
   
    /// <summary>
    /// A <see cref="Bitmap"/> icon for button.
    /// </summary>    
    public Bitmap Icon
        {
            get
            {
                return this.icon;
            }

            set
            {
                this.icon = value;

                if (value != null)
                {
                    this.IconHandle = new IconHandle(value.GetHicon());
                }

                this.Update();
            }
        }
  
    /// <summary>
    /// <see cref="System.Windows.Forms.ImageList"/> index of the the image that will be used as button icon.
    /// </summary> 
    public uint ImageIndex
        {
            get
            {
                return this.imageIndex;
            }

            set
            {
                this.imageIndex = value;

                this.Update();
            }
        }
  
    internal override void BeforeGetUnmanagedButton(ref TaskbarNative.THUMBBUTTON button)   
    {   
        button.iBitmap = this.imageIndex; 
        button.dwMask |= TaskbarNative.THBMask.BITMAP;
    }
    
    protected override void Update()       
    {  }
}