This method updates the thumbnail file.
[C++Builder] thumbcontrolname->UpdateThumbnailFile()
[Delphi] thumbcontrolname.UpdateThumbnailFile
Parameters
None
Return Value
None
Explanation
The UpdateThumbnailFile method updates the thumbnail file set in the ThumbnailFile property. Please execute this method when the FilePath property is changed to display thumbnails from a different directory or when the thumbnail program is finished, etc.
The thumbnail image set in the ImageHandle property is not saved in the thumbnail file.