public CanvasWindowGestureView(GestureParser gestureParser)
{
_gestureParser = gestureParser;
RegisterEventHandlers();
var waitCanvasWindow = new AutoResetEvent(false);
new Thread(() =>
{
_canvasWindow = new CanvasWindow()
{
//最初的时候放在屏幕以外
Visible = false,
IgnoreInput = true,
NoActivate = true,
TopMost = true
};
waitCanvasWindow.Set();
_canvasWindow.ShowDialog();
}) { Name = "CanvasWindow" }.Start();
waitCanvasWindow.WaitOne();
InitDefaultProperties();
_fadeOuTimer.Elapsed += OnFadeOutTimerElapsed;
SystemEvents.DisplaySettingsChanged += SystemDisplaySettingsChanged;
}
public void Dispose()
{
if (IsDisposed) return;
#region unregistor events
_gestureParser.IntentRecognized -= HandleIntentRecognized;
_gestureParser.IntentInvalid -= HandleIntentInvalid;
_gestureParser.IntentOrPathCanceled -= HandleIntentOrPathCanceled;
_gestureParser.PathTracker.PathStart -= HandlePathStart;
_gestureParser.PathTracker.PathGrow -= HandlePathGrow;
_gestureParser.PathTracker.PathTimeout -= HandlePathTimeout;
_gestureParser.IntentReadyToExecute -= HandleIntentReadyToExecute;
_gestureParser.IntentReadyToExecuteOnModifier -= HandleIntentReadyToExecuteOnModifier;
_gestureParser.GestureCaptured -= HandleGestureRecorded;
_gestureParser.CommandReportStatus -= HandleCommandReportStatus;
#endregion
#region dispose pens
_mainPen.Dispose();
_middleBtnPen.Dispose();
_borderPen.Dispose();
_alternativePen.Dispose();
_shadowPen.Dispose();
_dirtyMarkerPen.Dispose();
#endregion
if (_bitmap != null)
{
_bitmap.Dispose();
_bitmap = null;
}
if (_canvasWindow != null)
{
_canvasWindow.Dispose();
_canvasWindow = null;
}
if (_gPath != null)
{
_gPath.Dispose();
_gPath = null;
}
if (_gPathDirty != null)
{
_gPathDirty.Dispose();
_gPathDirty = null;
}
if (_labelPath != null)
{
_labelPath.Dispose();
_labelPath = null;
}
if (_labelFont != null)
{
_labelFont.Dispose();
_labelFont = null;
}
if (_fadeOuTimer != null)
{
_fadeOuTimer.Elapsed -= OnFadeOutTimerElapsed;
_fadeOuTimer.Dispose();
_fadeOuTimer = null;
}
SystemEvents.DisplaySettingsChanged -= SystemDisplaySettingsChanged;
Debug.WriteLine("Dispose");
IsDisposed = true;
}