SetWindowRgn function user32

int SetWindowRgn(
  1. HWND hWnd,
  2. HRGN? hRgn,
  3. bool bRedraw
)

Sets the window region of a window.

To learn more, see learn.microsoft.com/windows/win32/api/winuser/nf-winuser-setwindowrgn.

Implementation

@pragma('vm:prefer-inline')
int SetWindowRgn(HWND hWnd, HRGN? hRgn, bool bRedraw) =>
    _SetWindowRgn(hWnd, hRgn ?? nullptr, bRedraw ? TRUE : FALSE);