Windows Forms

private static bool CollectVisibleWindows(IntPtr hWnd, int lParam) {
	if(LP_User32.IsWindowVisible(hWnd)) {
		list.Add(hWnd);
		if (lParam==1) {
			EnumChildWindows(hWnd, 
			new LP_EnumWindowsProc(CollectVisibleChildWindows), 0);
		}
	}
	return true;	// please continue enumeration !
}
 
private static bool CollectVisibleChildWindows(IntPtr hWnd, int lParam) {
	if(IsWindowVisible(hWnd)) list.Add(hWnd);
	return true;	// please continue enumeration !
}
 
[DllImport("user32.dll", CallingConvention=CallingConvention.StdCall)]
public static extern bool IsWindowVisible(IntPtr hWnd);

Prashant kr Yadav (MEC) wrote:

and it may be image,picture and flash,

for each ( ToolStripMenuItem ^tmpMS in this->menuMainForm->Items )
  {
    for each ( ToolStripItem ^tmpCntl in tmpMS->DropDownItems )
    {
      if (tmpCntl)
      {
        if ( tmpCntl->Selected )
          String ^tmpCntlName = tmpCntl->Name;
        OpenHelpForMenuItem(tmpCntlName);
      }
    }
  }