public WindowEnumerator()
{
callback = EnumWindowsCallback;
#if !NETFRAMEWORK
currentProcessId = (uint)Environment.ProcessId;
#else
currentProcessId = (uint)System.Diagnostics.Process.GetCurrentProcess().Id;
#endif
}
public static IEnumerable <IntPtr> GetTopLevelWindows()
{
var topLevelWindows = new List <IntPtr>();
var enumFunc = new User32.WNDENUMPROC((hWnd, lParam) => {
topLevelWindows.Add(hWnd);
return(true);
});
User32.EnumWindows(enumFunc, IntPtr.Zero);
return(topLevelWindows);
}
public List <IntPtr> FindDesktopProcess()
{
var list = new List <IntPtr>();
User32.WNDENUMPROC WNDENUMPROC = (handle, handleParams) =>
{
if (!User32.IsWindowVisible(handle))
{
return(true);
}
if (!User32.IsWindow(handle))
{
return(true);
}
string windowtext;
if (!TryGetWindowText(handle, out windowtext))
{
return(true);
}
list.Add(handle);
return(true);
};
try
{
using (var safeDesktopHandle = new User32.SafeDesktopHandle())
{
User32.EnumDesktopWindows(safeDesktopHandle, WNDENUMPROC, default(IntPtr));
}
}
finally
{
// C++ is resident evil
GC.KeepAlive(WNDENUMPROC);
}
return(list);
}
public static IEnumerable <IntPtr> GetTopLevelWindows()
{
var topLevelWindows = new List <IntPtr>();
var enumFunc = new User32.WNDENUMPROC((hWnd, lParam) => {
topLevelWindows.Add(hWnd);
return(true);
});
var success = User32.EnumWindows(enumFunc, IntPtr.Zero);
if (!success)
{
var hresult = Marshal.GetHRForLastWin32Error();
Marshal.ThrowExceptionForHR(hresult);
}
return(topLevelWindows);
}
