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NANikhil A Syncfusion Team June 16, 2009 12:49 PM UTC
Hi Charl,
Yes it is possible to change the background of the design surface which is the DiagramView. You can specify any color as the background of the view by using the Background property of DiagramView. And it can be made as transparent by setting the background of the DiagramView as transparent in the following way:
As you can see the 'Background' property of 'DiagramView' has been set to 'Transparent'. Therefore the design surface will be painted red in color as the Grid hosting the control is specified a 'Red' background indicating that the view is transparent.