Render any optional place holder before the image data is obtained.
abstract void RenderItemPlaceholder(
ImageViewerRenderEventArgs e
)
MustOverride Sub RenderItemPlaceholder(
ByVal e As ImageViewerRenderEventArgs
)
virtual void RenderItemPlaceholder(
ImageViewerRenderEventArgs^ e
) abstract
e
Render event arguments to use.
This method is called while an item is being loaded and the image data has not been obtained yet.
Derived classes can render a visual hint to the user to indicate that the item is being loaded.
You should encapsulate the code inside this method with a try/catch and handle the error correctly. This method will not automatically fire the ItemError event.
For an example, refer to ImageViewerVirtualizer.
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