public void Dispose()
{
if (this.IsDisposed)
{
return;
}
this.IsDisposed = true;
if (this.polylineState != null)
{
foreach (var item in polylineState)
{
this.canvas.Children.Remove(item.Value.Line);
}
this.polylineState.Clear();
this.polylineState = null;
}
this.canvas = null;
this.border = null;
this.nw = null;
this.n = null;
this.ne = null;
this.e = null;
this.se = null;
this.s = null;
this.sw = null;
this.w = null;
this.currentState = null;
this.Resize = null;
}
private Polyline InitPolyline(Cursor cursor, ResizePositions resizePosition)
{
var line = new Polyline
{
StrokeThickness = 2,
Stroke = new SolidColorBrush(color),
Cursor = cursor
};
polylineState.Add(resizePosition, new PolylineState()
{
Line = line,
Position = resizePosition
});
line.MouseDown += (sender, e) =>
{
currentState = polylineState[resizePosition];
currentState.MouseDown = true;
currentState.MouseDownPosition = e.GetPosition(canvas);
currentState.Line.Stroke = new SolidColorBrush(activeColor);
};
line.MouseEnter += (sender, e) =>
{
line.Stroke = new SolidColorBrush(activeColor);
};
line.MouseLeave += (sender, e) =>
{
line.Stroke = new SolidColorBrush(color);
};
line.MouseUp += (sender, e) =>
{
if (!polylineState[resizePosition].MouseDown)
{
return;
}
polylineState[resizePosition].MouseDown = false;
};
//line.MouseMove += (sender, e) =>
//{
// this.UpdateState(e.GetPosition(canvas));
//};
canvas.Children.Add(line);
return(line);
}
