public void ToolMouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && canvas != null)
{
canvas.DeselectAllObjects();
if (objectSource != null)
{
objectDestination = canvas.SelectObjectAt(e.X, e.Y);
Connector connector = new Connector(objectSource, objectDestination);
objectSource.Attach(connector);
objectDestination.Attach(connector);
canvas.AddDrawingObjectToFront(connector);
connector.ChangeState(StaticState.GetInstance());
}
}
}