public static Icon GetIcon(int index, ShellImageListSize size)
{
IntPtr iconPtr = IntPtr.Zero;
switch (size)
{
case ShellImageListSize.Small:
iconPtr = NativeMethods.ComCtl32.ImageList_GetIcon(m_smallImageListHandle, index, NativeMethods.ILD_NORMAL);
break;
case ShellImageListSize.Large:
iconPtr = NativeMethods.ComCtl32.ImageList_GetIcon(m_largeImageListHandle, index, NativeMethods.ILD_NORMAL);
break;
}
if (iconPtr != IntPtr.Zero)
{
Icon icon = Icon.FromHandle(iconPtr);
Icon retVal = (Icon)icon.Clone();
NativeMethods.User32.DestroyIcon(iconPtr);
return(retVal);
}
else
{
return(null);
}
}
/// <summary>
/// Gets the image list interface.
/// </summary>
/// <param name="imageListSize">Size of the image list.</param>
/// <returns>The IImageList for the shell image list of the given size.</returns>
public static IntPtr GetImageList(ShellImageListSize imageListSize)
{
// Do we have the image list?
IImageList imageList;
if (imageLists.TryGetValue(imageListSize, out imageList))
{
return(GetImageListHandle(imageList));
}
// We don't have the image list, create it.
Shell32.SHGetImageList((int)imageListSize, ref Shell32.IID_IImageList, ref imageList);
// Add it to the dictionary.
imageLists.Add(imageListSize, imageList);
// Return it.
return(GetImageListHandle(imageList));
}
public static Icon GetIcon(int index, ShellImageListSize size)
{
IntPtr iconPtr = IntPtr.Zero;
switch (size)
{
case ShellImageListSize.Small:
iconPtr = NativeMethods.ComCtl32.ImageList_GetIcon(m_smallImageListHandle, index, NativeMethods.ILD_NORMAL);
break;
case ShellImageListSize.Large:
iconPtr = NativeMethods.ComCtl32.ImageList_GetIcon(m_largeImageListHandle, index, NativeMethods.ILD_NORMAL);
break;
}
if (iconPtr != IntPtr.Zero)
{
Icon icon = Icon.FromHandle(iconPtr);
Icon retVal = (Icon)icon.Clone();
NativeMethods.User32.DestroyIcon(iconPtr);
return retVal;
}
else
return null;
}
/// <summary>
/// Creates a SystemImageList with the specified size
/// </summary>
/// <param name="size">Size of System ImageList</param>
public ShellImageList(ShellImageListSize size)
{
this.size = size;
Create();
}
/// <summary>
/// Gets the image list interface.
/// </summary>
/// <param name="imageListSize">Size of the image list.</param>
/// <returns>The IImageList for the shell image list of the given size.</returns>
public static IntPtr GetImageList(ShellImageListSize imageListSize)
{
// Do we have the image list?
IImageList imageList;
if (imageLists.TryGetValue(imageListSize, out imageList))
return GetImageListHandle(imageList);
// We don't have the image list, create it.
Shell32.SHGetImageList((int)imageListSize, ref Shell32.IID_IImageList, ref imageList);
// Add it to the dictionary.
imageLists.Add(imageListSize, imageList);
// Return it.
return GetImageListHandle(imageList);
}
