internal static IntPtr GetDC(HandleRef hWnd)
{
var hDc = IntGetDC(hWnd);
if (hDc == IntPtr.Zero)
{
throw new Win32Exception();
}
return(HandleCollector.Add(hDc, CommonHandles.HDC));
}
protected override void Dispose(bool disposing)
{
HandleCollector.Remove(_collectorId);
base.Dispose(disposing);
}
protected WpfSafeHandle(bool ownsHandle, int collectorId) : base(ownsHandle)
{
HandleCollector.Add(collectorId);
_collectorId = collectorId;
}
internal static int ReleaseDC(HandleRef hWnd, HandleRef hDC)
{
HandleCollector.Remove((IntPtr)hDC, CommonHandles.HDC);
return(IntReleaseDC(hWnd, hDC));
}