How to display OleObject directly?

I insert an OleObject to the ppt file by Aspose.Slides,when I open the ppt file,the OleObject isn't displayed directly,nevertheless when I double click the "Object Changed",the OleObject is displayed.

how to dislay OleObject directly without double-click?

Aspose.Slides can’t generate image of ole object by itself.

There are described 2 possible solutions:

Also you can use ole automation to generate image but that is wrong way
because the main idea is not use automation at all.