How to insert a picture into the header or footer?

Hi, support:
How to insert a picture into the header or footer? and then how to set the position or size or layerOrder or opacity of the inserted picture?
Thanks for your help.

@ducaisoft

Please move the cursor to the Header or Footer of document and insert the image using DocumentBuilder.InsertImage method. We suggest you please read the members of Shape class.

For more detail, please read the following article.

Thanks for your suggestion.
I have worked it out.