Hi, Support:
How to realize my this requirements by Apose.Slides.dll as below:
extract all the text in the Textboxes in each slide
add a Textbox out of the range of the slide, and set the board of the added Textbox to…...text in the textboxes in each slide add a textbox out of the range...set the board of the added textbox to none, and set the fillcolor...