IUIX_Button::Image Property
From PDF XChange PDF SDK
Gets or sets a button image to be displayed to the left of the button text. The object must implement either the IUIX_ImageData or the IUIX_Icon interface.
Syntax
HRESULT get_Image([out, retval] IUnknown** ppImage); HRESULT put_Image([in] IUnknown* ppImage);