| ValidateRect(IntPtr, NativeRectangle) | Validates the client area within a rectangle by removing the rectangle from the update region of the specified window. |
| ValidateRect(IntPtr, Rectangle) | Validates the client area within a rectangle by removing the rectangle from the update region of the specified window. |
| ValidateRect(SafeHandle, NativeRectangle) | Validates the client area within a rectangle by removing the rectangle from the update region of the specified window. |
| ValidateRect(SafeHandle, Rectangle) | Validates the client area within a rectangle by removing the rectangle from the update region of the specified window. |