private static void EnumChildWindows(RunningWindowTableItemCollection list, IntPtr mainHandle, IntPtr handle, int maximumResultCount)
{
ChildWindowEnumerator childEnumerator =
new ChildWindowEnumerator(handle);
IntPtr[] childWindows = childEnumerator.EnumerateWindows(4000);
if (null != childWindows)
{
foreach (IntPtr item in childWindows)
{
DoAccTest(list, mainHandle, item, maximumResultCount);
}
}
}
/// <summary>
/// Enumerates all child windows. WARNING: The method returns null if operation timeout is reached.
/// </summary>
/// <param name="milliSecondsTimeout">a timeout for the operation. when a window is busy or non responding these method freeze. you can handle this with the operation timeout</param>
/// <returns>result array or null</returns>
public IntPtr[] EnumerateWindows(int milliSecondsTimeout)
{
if (milliSecondsTimeout < 0)
{
throw new ArgumentOutOfRangeException("milliSecondsTimeout");
}
try
{
lock (_lockInstance)
{
Result.Clear();
_currentInstance = this;
Thread thread1 = new Thread(new ParameterizedThreadStart(EnumerateWindowsAsync));
WaitHandle[] waitHandles = new WaitHandle[1];
ManualResetEvent mre1 = new ManualResetEvent(false);
waitHandles[0] = mre1;
thread1.Start(mre1);
bool result = WaitHandle.WaitAll(waitHandles, milliSecondsTimeout);
if (!result)
{
thread1.Abort();
Result.Clear();
_currentInstance = null;
return(null);
}
else
{
_currentInstance = null;
}
}
return(Result.ToArray());
}
catch (Exception exception)
{
DebugConsole.Default.WriteException(exception);
throw;
}
}