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Send multiple files to FAX in one call

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There might be a need that an application need to send multiple files to the FAX server in one single call. While IFaxDocument::ConnectedSubmit Method allows to send a single file to FAX in one call, IFaxDocument2::ConnectedSubmit2 Method can be used to send multiple files. The IFaxDocument2::ConnectedSubmit2 Method can be used only on Windows Vista and later versions.

As in online documentation, the syntax to mention multiple files name/path is as below--

To illustrate plErrorBodyFile, here is an example: The following list of files is submitted as the value of IFaxDocument2::Bodies:

"MyTextFile.txt;AnotherTextFile.txt;MyWordFile.doc".

Also in the documentation it is mentioned that the .pdf format is not supported by the interface. So if a file with .pdf is supplied to be sent to the FAX server, method will fail with error 2.

To understand the usage of the interface/method, you can use “SendFax” sample in Windows SDK for Vista in below path--

%program files%\Microsoft SDKs\Windows\v6.0\Samples\NetDs\Fax\SendFax

SendFax sample is available in C++, C# and VB.NET languages.

Nitin Dhawan

Windows SDK – Microsoft