how to set mergin when save from excel to PDF file using C# WPF

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WPF

C#5.0

Hi All,

I have excel file with 2 sheet data, I save as from excel to pdf file.
but my problem is:
1. I want save data of 2 sheets to 2 page of pdf.
2. I don't know how to set mergin for my pdf file.I want to set mregin(10,10,10,110) for my pdf file when save as from excel to pdf.
(don't use third library)

please help me!

thank in advance.