public static void SetOverlayIcon(this Form form, Icon icon, string description = "")
{
if (_Supported)
{
_Instance.SetOverlayIcon(form.Handle, icon.Handle, description);
}
}
private void SetTaskbarIcon()
{
if (_taskbarList != null && _isWin7TaskBar && AdminHelper.IsAdmin)
{
try
{
_taskbarList.SetOverlayIcon(_taskbarParent, Properties.Resources.shield16.Handle, "Elevated");
}
catch { }
}
}
private HRESULT _UpdateOverlay(bool attached)
{
var source = Overlay;
if (null == source || !attached)
{
return(_taskbarList.SetOverlayIcon(_hwndSource.Handle, IntPtr.Zero, null));
}
var hicon = IntPtr.Zero;
try
{
hicon = _GetHICONFromImageSource(source, _overlaySize);
return(_taskbarList.SetOverlayIcon(_hwndSource.Handle, hicon, null));
}
finally
{
Utility.SafeDestroyIcon(ref hicon);
}
}
public static void SetOverlayIcon(Form fWindow, Icon iconOverlay,
string strDescription)
{
if (!EnsureInitialized())
{
return;
}
try
{
m_tbList.SetOverlayIcon(fWindow.Handle, ((iconOverlay == null) ?
IntPtr.Zero : iconOverlay.Handle), strDescription);
}
catch (Exception) { Debug.Assert(false); }
}
private HRESULT _UpdateOverlay(bool attached)
{
ImageSource source = Overlay;
// The additional string at the end of SetOverlayIcon sets the accDescription
// for screen readers. We don't currently have a property that utilizes this.
if (null == source || !attached)
{
return(_taskbarList.SetOverlayIcon(_hwndSource.Handle, IntPtr.Zero, null));
}
IntPtr hicon = IntPtr.Zero;
try
{
hicon = _GetHICONFromImageSource(source, _overlaySize);
return(_taskbarList.SetOverlayIcon(_hwndSource.Handle, hicon, null));
}
finally
{
Utility.SafeDestroyIcon(ref hicon);
}
}