private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == OverlayMessage.WM_HOTKEY)
{
// we need the high-order word to get the virtual key code.
// low-order word specifies the keys that were to be pressed in combination with the virtual key code - in our case none
toggleRecordingKeyboardHook.OnHotKeyEvent(lParam.ToInt32() >> 16);
toggleVisibilityKeyboardHook.OnHotKeyEvent(lParam.ToInt32() >> 16);
toggleGraphVisibilityKeyboardHook.OnHotKeyEvent(lParam.ToInt32() >> 16);
toggleBarVisibilityKeyboardHook.OnHotKeyEvent(lParam.ToInt32() >> 16);
toggleLagIndicatorVisibilityKeyboardHook.OnHotKeyEvent(lParam.ToInt32() >> 16);
}
else if (msg == OverlayMessage.overlayMessage)
{
OverlayMessageType messageType = (OverlayMessageType)wParam.ToInt32();
overlayTracker.ReceivedOverlayMessage(messageType, lParam);
}
else if (msg == presentMon.GetPresentMonRecordingStopMessage())
{
ToggleRecordingKeyDownEvent(); // Signal the recording to stop.
}
UpdateUserInterface();
return(IntPtr.Zero);
}
public void ReceivedOverlayMessage(OverlayMessageType messageType, IntPtr lParam)
{
Debug.Print(messageType.ToString() + " " + lParam.ToString());
int lParamValue = lParam.ToInt32();
switch (messageType)
{
case OverlayMessageType.AttachDll:
injectedProcesses.Add(lParamValue);
hookedProcesses.Add(lParamValue);
break;
case OverlayMessageType.DetachDll:
injectedProcesses.Remove(lParamValue);
hookedProcesses.Remove(lParamValue);
break;
case OverlayMessageType.ThreadInitialized:
overlayThreads.Add(lParamValue);
break;
case OverlayMessageType.ThreadTerminating:
overlayThreads.Remove(lParamValue);
break;
//Remove overlay process from the list of injected processes
case OverlayMessageType.Initialized:
injectedProcesses.Remove(lParamValue);
break;
default:
break;
}
}
public void ToggleOverlayVisibility()
{
showOverlay = !showOverlay;
OverlayMessageType messageType = showOverlay ? OverlayMessageType.ShowOverlay : OverlayMessageType.HideOverlay;
SendMessageToOverlay(messageType);
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == OverlayMessage.overlayMessage)
{
OverlayMessageType messageType = (OverlayMessageType)wParam.ToInt32();
overlayTracker.ReceivedOverlayMessage(messageType, lParam);
}
else if (msg == presentMon.GetPresentMonRecordingStopMessage())
{
TogglePresentMonRecording(); // Signal the recording to stop.
}
UpdateUserInterface();
return(IntPtr.Zero);
}
/// <summary>
/// Send the given message to the overlay and remove every invalid thread.
/// </summary>
public void SendMessageToOverlay(OverlayMessageType message)
{
List <int> invalidThreads = new List <int>();
foreach (var threadID in overlayThreads)
{
if (!PostThreadMessage(threadID, OverlayMessage.overlayMessage, (IntPtr)message, IntPtr.Zero))
{
Debug.Print("Send message to overlay failed " + GetLastError().ToString() + " removing thread " + threadID.ToString());
invalidThreads.Add(threadID);
}
}
foreach (var threadID in invalidThreads)
{
overlayThreads.Remove(threadID);
}
}
