public override bool Poll()
{
bool returnStatus = false;
MouseStateEventData[] eventDataArray;
lock (_mouseEventData)
{
eventDataArray = _mouseEventData.ToArray();
_mouseEventData.Clear();
}
if (eventDataArray.Length == 0)
{
return(returnStatus);
}
MouseButtons[] currentState = _getButtonState(eventDataArray);
Point currentPoint = eventDataArray[0].Data.Position;
MouseButtons[] pressedButtons = GetNewItems(_mouseStateArray, currentState);
MouseButtons[] releasedButtons = GetMissingItems(_mouseStateArray, currentState);
//Subtract current values so positive values result in a positive delta.
Point relativePoint = currentPoint - _mouseStatePoint;
int wheelDelta = eventDataArray[0].Data.WheelDelta;
_mouseStateWheel = _mouseStateWheel + wheelDelta;
MouseEventData eventData = new MouseEventData(pressedButtons, releasedButtons, currentState, currentPoint, relativePoint, _mouseStateWheel, wheelDelta);
//System.Diagnostics.Trace.WriteLine(eventData.ToString());
if (pressedButtons.Length != 0 || releasedButtons.Length != 0 || relativePoint != Point.Empty || wheelDelta != 0)
{
MouseEvent?.Invoke(new MouseEventArgs(eventData));
returnStatus = true;
}
if (pressedButtons.Length != 0)
{
MouseDownEvent?.Invoke(new MouseEventArgs(eventData));
}
if (releasedButtons.Length != 0)
{
MouseUpEvent?.Invoke(new MouseEventArgs(eventData));
}
if (relativePoint != Point.Empty)
{
MouseMoveEvent?.Invoke(new MouseEventArgs(eventData));
}
if (wheelDelta != 0)
{
MouseWheelEvent?.Invoke(new MouseEventArgs(eventData));
}
_mouseStateArray = currentState;
return(returnStatus);
}
public MouseStateEventData(System.Windows.Forms.MouseEventArgs e, MouseStateEventType t)
{
Type = t;
Data = new MouseEventData(e, t == MouseStateEventType.MouseDown);
}
public MouseEventArgs(MouseEventData args)
{
MouseData = args;
}