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create image always returning null

Hi All,

IOObject io=ioResult.getElementAt(0);
TreeModel model=(TreeModel) ioResult.getElementAt(0);
Renderer createRenderer = RendererService.createRenderer(io, "Graph View");
Component visualizationComponent= createRenderer.getVisualizationComponent(io, ioResult);
System.out.println(visualizationComponent.isDisplayable());
Image createImage = visualizationComponent.createImage(100, 100);
Graphics graphics = createImage.getGraphics();

visualizationComponent.isDisplayable()....false.
here createImage always returning null
what could be the reason?

thanks in advance.

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Marco_Boeck

http://rapid-i.com/rapidforum/index.php/topic,3680.0.html

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