private void Form1_Paint(object sender, PaintEventArgs e)
{
if (timeout == 0)
{
IntPtr desktop = Win32Functions.GetDC(IntPtr.Zero);
using (Graphics g = Graphics.FromHdc(desktop))
{
g.FillRectangle(Brushes.Transparent, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
}
Win32Functions.ReleaseDC(IntPtr.Zero, desktop);
}
else
{
base.OnPaint(e);
}
}
public static IntPtr GetDTHandle()
{
IntPtr hDesktopWin = Win32Functions.GetDesktopWindow();
IntPtr hProgman = Win32Functions.FindWindow("Progman", "Program Manager");
IntPtr hWorkerW = IntPtr.Zero;
IntPtr hShellViewWin = Win32Functions.FindWindowEx(hProgman, IntPtr.Zero, "SHELLDLL_DefView", "");
if (hShellViewWin == IntPtr.Zero)
{
do
{
hWorkerW = Win32Functions.FindWindowEx(hDesktopWin, hWorkerW, "WorkerW", "");
hShellViewWin = Win32Functions.FindWindowEx(hWorkerW, IntPtr.Zero, "SHELLDLL_DefView", "");
} while (hShellViewWin == IntPtr.Zero && hWorkerW != null);
}
return(hShellViewWin);
}
public static void ToggleDesktopIcons()
{
Win32Functions.SendMessage(GetDTHandle(), 0x0111, (IntPtr)0x7402, (IntPtr)0);
}