/// <summary>
/// Enumerates all top level windows on desktop. WARNING: The method returns null if operation timeout is reached.
/// </summary>
/// <param name="milliSecondsTimeout">a timeout for the operation. when a desktop 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)
{
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;
}
}
/// <summary>
/// Enumerates all top level windows on desktop. WARNING: The method returns null if operation timeout is reached.
/// </summary>
/// <param name="milliSecondsTimeout">a timeout for the operation. when a desktop 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)
{
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;
}
}
private static List<object> GetActiveExcelApplicationProxiesFromROT()
{
try
{
WindowEnumerator enumerator = new WindowEnumerator("XLMAIN");
IntPtr[] handles = enumerator.EnumerateWindows(2000);
if (null == handles || handles.Length == 0)
return new List<object>();
return ExcelApplicationWindow.GetApplicationProxiesFromHandle(handles);
}
catch (Exception exception)
{
DebugConsole.Default.WriteException(exception);
throw;
}
}