public Window(Process p)
{
this.p = p;
IntPtr h = p.Handle;
while (h == IntPtr.Zero || !p.Responding)
{
Sleep(1000);
p.WaitForInputIdle();
h = p.Handle;
if (p.HasExited)
{
throw new InvalidOperationException(string.Format("Process '{0}' has exited!", p.StartInfo.FileName));
}
}
p.Exited += new EventHandler(OnExited);
int id = p.Id;
if (handle == IntPtr.Zero)
{
// p.MainWindowHandle always returns 0 for some unknown reason...
int retries = 20;
while (retries-- > 0 && handle == IntPtr.Zero)
{
handle = FindWindowForProcessId(id);
Sleep(1000);
}
if (handle == IntPtr.Zero)
{
throw new Exception("Process as no window handle");
}
}
this.acc = SystemAccessible.AccessibleObjectForWindow(handle);
}
public static SystemAccessible AccessibleWindowObjectAt(Point pt)
{
POINT p = new POINT();
p.x = pt.X;
p.y = pt.Y;
IntPtr hwnd = WindowFromPoint(p);
if (hwnd != IntPtr.Zero)
{
return(SystemAccessible.AccessibleObjectForWindow(hwnd));
}
return(null);
}
private static IntPtr FindWindowForProcessId(int id)
{
// Hmmm, try and find window for this process then.
IntPtr hwnd = GetWindow(GetDesktopWindow(), GetWindowOptions.Child);
while (hwnd != IntPtr.Zero)
{
int procid;
int thread = GetWindowThreadProcessId(hwnd, out procid);
if (procid == id && IsWindowVisible(hwnd))
{
SystemAccessible acc = SystemAccessible.AccessibleObjectForWindow(hwnd);
if (acc.Role == AccessibleRole.Client &&
(acc.State & AccessibleStates.Invisible) == 0 &&
!string.IsNullOrEmpty(acc.Name))
{
// found it!
return(hwnd);
}
}
hwnd = GetWindow(hwnd, GetWindowOptions.Next);
}
return(IntPtr.Zero);
}
public Window(Window parent, IntPtr handle)
{
this.parent = parent;
this.handle = handle;
this.acc = SystemAccessible.AccessibleObjectForWindow(handle);
}