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Customizing the OverviewControl to restricting to change the viewport as negative location

Restrict to move the viewport as outside of the model

In Diagram’s overview control, we can restrict the movement of viewport outside the model. It can be achieved by customizing the Diagram’s “OverviewControl” class. From the customized class, override the draw method and draw the “ViewPort” logically based on the model area.

Here is the code example for restricting to move the viewport as outside of the model.

[C#]

 

[VB]

 

Here is the sample for restricting to move the viewport as outside of the model.

Sample

Article ID: Published Date: Last Revised Date: Platform: Control:
6001 01/19/2016 01/19/2016 Windows Forms Diagram
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