public void ChangeActiveProcess(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
Process pr = ChangingProcess.GetActiveProcess();
if (FirstTime)
{
StartTime = DateTime.Now;
CurrentProgram = GetObservedProgramFromProcess(pr);
FirstTime = false;
dT = new DispatcherTimer(new TimeSpan(0, 0, 0, 0, 50), DispatcherPriority.Background,
t_Tick, Dispatcher.CurrentDispatcher);
dT.IsEnabled = true;
}
else
{
PreviousProgram = CurrentProgram;
TimeSpan ts = DateTime.Now - StartTime;
PreviousProgram.AddTimeDuration(DateTime.Now - StartTime);
ProgramsDataGrid.Items.Refresh();
StartTime = DateTime.Now;
CurrentProgram = CurrentProgram = GetObservedProgramFromProcess(pr);
}
liveIcon.Source = CurrentProgram.IconSource;
liveName.Text = CurrentProgram.Name;
}
public MainWindow()
{
InitializeComponent();
ProgramsDataGrid = DataGridXAML;
del = ChangeActiveProcess;
eventH = ChangingProcess.SetWinEventHook(ChangingProcess.EVENT_SYSTEM_FOREGROUND,
ChangingProcess.EVENT_SYSTEM_FOREGROUND, (IntPtr)0,
del, 0, 0,
ChangingProcess.WINEVENT_OUTOFCONTEXT | ChangingProcess.WINEVENT_SKIPOWNPROCESS);
}
