private void OnPaint() { var hdc = NativeMethods.GetDC(_hwnd); var rect = NativeMethodsSafe.GetWindowRect(_hwnd); rect.Left = 0; rect.Top = 0; var color = new COLORREF(0xff, 0xff, 0xff); var brush = NativeMethods.CreateSolidBrush(color.Value); NativeMethods.FillRect(hdc, ref rect, brush); NativeMethods.DeleteObject(brush); NativeMethods.ReleaseDC(_hwnd, hdc); }
public RECT GetWindowRect() { return(NativeMethodsSafe.GetWindowRect(_hwnd)); }