protected override void OnMouseUp(MouseEventArgs e)
{
this._IsRotating = false;
this.Cursor = Cursors.Default;
this.EncoderDirection = EncoderDirectionType.Zero;
OnDirectionChanged(new DirectionChangedEventArgs(EncoderDirection));
}
public VirtualEncoder()
{
InitializeComponent();
this.DoubleBuffered = true;
this.SetStyle(ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
this._IsRotating = false;
this._CurrentAngle = 270.0;
this.EncoderDirection = EncoderDirectionType.Zero;
GlowColor = IlluminationColor.Blue;
}
protected override void OnMouseMove(MouseEventArgs e)
{
if (this._IsRotating)
{
this.Cursor = Cursors.Hand;
this._CurrentAngle = Math.Atan2((double)checked (e.Y - this.KnobCenter.Y), (double)checked (e.X - this.KnobCenter.X)) * (180.0 / Math.PI) + 180.0;
if (this._CurrentAngle > this._OldAngle)
{
this.EncoderDirection = EncoderDirectionType.Positive;
}
else if (this._CurrentAngle < this._OldAngle)
{
this.EncoderDirection = EncoderDirectionType.Negative;
}
OnDirectionChanged(new DirectionChangedEventArgs(EncoderDirection));
this._OldAngle = this._CurrentAngle;
}
this.Refresh();
}
public DirectionChangedEventArgs(EncoderDirectionType directionType)
{
EncoderDirection = directionType;
}
