protected override void OnOriginChanged(ViewOriginEventArgs evtArgs)
{
if (evtArgs.NewOrigin.X < -m_Diagram.Width/2)
{
this.Origin = new PointF(-m_Diagram.Width/2, evtArgs.NewOrigin.Y);
return;
}
if (evtArgs.NewOrigin.Y < -m_Diagram.Height/2)
{
this.Origin = new PointF(evtArgs.NewOrigin.X, -m_Diagram.Height/2);
return;
}
if (evtArgs.NewOrigin.X + m_Diagram.Width > m_document.LogicalSize.Width)
{
this.Origin = new PointF(m_document.LogicalSize.Width - m_Diagram.Width, evtArgs.NewOrigin.Y);
return;
}
if (evtArgs.NewOrigin.Y + m_Diagram.Height > m_document.LogicalSize.Height)
{
this.Origin = new PointF(evtArgs.NewOrigin.X, m_document.LogicalSize.Height - m_Diagram.Height);
return;
}
base.OnOriginChanged(evtArgs);
if (m_ConnectedView != null)
{
if (m_ConnectedView.Origin != evtArgs.NewOrigin)
m_ConnectedView.Origin = evtArgs.NewOrigin;
m_ConnectedView.Repaint();
}
}
void EventSink_OriginChanged(ViewOriginEventArgs evtArgs)
{
listBox1.Items.Add("\nOriginChanged event Fired.\n");
}