C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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How to get user's MaximunAttachmentSize value in Outlook VSTO.
Outlook gives a warning when the user adds the file with drag and drop, but when he sends the mail, the mail does not go.
What I want to do is to show the message box if the added file size is larger than outlook MaximunAttachmentSize.
When I say Upload file with Attach File I get an error like this