private void pollingTimer_Elapsed(object sender, ElapsedEventArgs e)
{
ActiveApplication currentActiveWindow = GetActiveWindow();
OnChanged(currentActiveWindow);
}
public ActiveApplication GetActiveWindow()
{
ActiveApplication activeApplication = null;
try
{
var handle = WindowsFunctions.GetForegroundWindow();
int processID;
WindowsFunctions.GetWindowThreadProcessId(handle, out processID);
Process proc = Process.GetProcessById(processID);
const int nChars = 512;
StringBuilder Buff = new StringBuilder(nChars);
string title = "";
if (WindowsFunctions.GetWindowText(handle, Buff, nChars) > 0)
{
title = Buff.ToString();
}
else
{
try
{
title = proc.MainWindowTitle;
}
catch (Exception ex)
{
OnError(ex);
}
}
string processName = proc.ProcessName;
DocumentInfo documentInfo = GetDocument(new ApplicationInfo(
processID,
proc.ProcessName,
null,
null,
null,
null,
null,
null,
null,
handle,
title
));
activeApplication = new ActiveApplication
{
Title = title,
ProcessName = processName ?? "",
ProcessId = processID,
DocumentInfo = documentInfo
};
}
catch (Exception ex)
{
OnError(ex);
}
return(activeApplication);
}
protected void OnChanged(ActiveApplication activeApplication)
{
Changed(this, new EventArgs <ActiveApplication>(activeApplication));
}