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| Leadtools.Controls Assembly > Leadtools.Controls Namespace > ImageViewer Class : RenderItemRegion Event |
public event EventHandler<ImageViewerRenderEventArgs> RenderItemRegion
'Declaration
Public Event RenderItemRegion As EventHandler(Of ImageViewerRenderEventArgs)
The event handler receives an argument of type ImageViewerRenderEventArgs containing data related to this event. The following ImageViewerRenderEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Context | Current graphics context associated with this object. |
| Error | Error that might have occurred during rendering. |
| Item | Item to render |
| PaintEventArgs | Native paint event arguments associated with this object |
| Part | Item part to render |
During this part of the rendering cycle, the viewer will check if the image of this item contains a valid region. If this is true and the value of ImageRegionRenderMode is other than ControlRegionRenderMode.None then the viewer will render the outline of the region on top of the image.
For more information, refer to Image Viewer Rendering.
ImageViewerRenderEventArgsFor an example, refer to PostRender.