IsChild function user32
Determines whether a window is a child window or descendant window of a specified parent window.
To learn more, see learn.microsoft.com/windows/win32/api/winuser/nf-winuser-ischild.
Implementation
@pragma('vm:prefer-inline')
bool IsChild(HWND hWndParent, HWND hWnd) => _IsChild(hWndParent, hWnd) != FALSE;