public FocusInfo GetCurrentFocus()
{
try
{
IntPtr handle = WinApi.GetForegroundWindow();
FocusInfo focusInfo = new FocusInfo()
{
HWND = (long)handle,
};
var pid = WinApi.GetWindowProcessId(handle);
focusInfo.PID = pid;
var process = Process.GetProcessById((int)pid);
focusInfo.WindowTitle = WinApi.GetWindowText(handle);
focusInfo.ExecutableFile = process.MainModule.FileName;
focusInfo.ExecutableName = process.MainModule.ModuleName;
return(focusInfo);
}
catch (Exception ex)
{
return(new FocusInfo()
{
Error = ex.ToString()
});
}
}
private void UpdateCurrentApplication()
{
updateCounter++;
var currentFocus = GetCurrentFocus();
if (FocusInfo.Equality.Equals(currentFocus, LastFocus))
{
return;
}
textBox2.Text = $"{currentFocus.WindowTitle}, ({updateCounter})";
LastFocus = currentFocus;
RegisterFocusChange(new FocusChange
{
Timestamp = DateTime.Now.ToString(FocusChange.DateTimeFormat),
FocusInfo = currentFocus,
});
}