private void UnregisterThumbnail(IntPtr thumbnailHandle)
{
try
{
DwmApiNativeMethods.DwmUnregisterThumbnail(thumbnailHandle);
}
catch (ArgumentException)
{
}
}
public void Unregister()
{
if ((!this._windowManager.IsCompositionEnabled) || (this._handle == IntPtr.Zero))
{
return;
}
try
{
DwmApiNativeMethods.DwmUnregisterThumbnail(this._handle);
}
catch (ArgumentException)
{
}
}