DefMDIChildProc function user32
Provides default processing for any window message that the window procedure of a multiple-document interface (MDI) child window does not process.
To learn more, see learn.microsoft.com/windows/win32/api/winuser/nf-winuser-defmdichildprocw.
Implementation
@pragma('vm:prefer-inline')
LRESULT DefMDIChildProc(HWND hWnd, int uMsg, WPARAM wParam, LPARAM lParam) =>
LRESULT(_DefMDIChildProc(hWnd, uMsg, wParam, lParam));