Parameters
- pageIndex
- The zero-based page index in image/document source.
- size
- Size of the thumbnail.
- decodingSettings
- Decoding settings, which must be used for decoding the thumbnail of page.
- renderingSettings
- Rendering settings, which must be used for rendering the thumbnail of page.
- useImageRendering
- A value indicating whether the decoder can use ImageRenderer for rendering thumbnail image.
- progressController
- Action progress controller.
Return Value
A thumbnail image of the specified page of image/document source.