LockWindowUpdate function user32

bool LockWindowUpdate(
  1. HWND? hWndLock
)

Disables or enables drawing in the specified window.

Only one window can be locked at a time.

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

Implementation

@pragma('vm:prefer-inline')
bool LockWindowUpdate(HWND? hWndLock) =>
    _LockWindowUpdate(hWndLock ?? nullptr) != FALSE;