/// <summary>
/// Called when the mouse is down on the pathway canvas
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public override void OnMouseDown(object sender, PInputEventArgs e)
{
base.OnMouseDown(sender, e);
// if Button != MouseButtons.Left, return.
if (e.Button != MouseButtons.Left)
return;
// if PickedNode
if (e.PickedNode is PPathwayObject || e.PickedNode is PPathwayEdge)
return;
m_canvas = m_con.Canvas;
m_selectedPath.Reset();
if (e.PickedNode is PCamera)
{
m_surSystem = m_canvas.GetSurroundingSystemKey(e.Position);
if (string.IsNullOrEmpty(m_surSystem))
{
Util.ShowErrorDialog(MessageResources.ErrOutRoot);
return;
}
m_startPoint = e.Position;
e.Canvas.Layer.AddChild(m_selectedPath);
}
}