TranslateMDISysAccel function user32

int TranslateMDISysAccel(
  1. int hWndClient,
  2. Pointer<MSG> lpMsg

Processes accelerator keystrokes for window menu commands of the multiple-document interface (MDI) child windows associated with the specified MDI client window. The function translates WM_KEYUP and WM_KEYDOWN messages to WM_SYSCOMMAND messages and sends them to the appropriate MDI child windows.

BOOL TranslateMDISysAccel(
  HWND  hWndClient,
  LPMSG lpMsg


int TranslateMDISysAccel(int hWndClient, Pointer<MSG> lpMsg) =>
    _TranslateMDISysAccel(hWndClient, lpMsg);