Open a file with other extension using C# [closed]

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I have file with .xml extension.开发者_Go百科 Using C# i have to open the file with another extension, like .exe for example. I can open the file with the 'Open With' option manually. Now I have to do the same using C#. How do I do that?

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I'm guessing your question is that you want to open a File using C# with any program you specify.

You'll have to launch the file as an argument of a process that can support the file type:

Process process = new Process();
process.StartInfo.FileName = "SomeApplication.exe"; // The app to "Open With..."
process.StartInfo.Arguments = "'C:\\YourFile.xml'"; // The file to open
process.Start();

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string xmlname = "c:\\test.xml";    
string exename = System.IO.Path.ChangeExtension(xmlname, "exe");

I reread your question. I think you want to start the application with the Process.Start() method.

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Visual Studio's default editor for other file extensions is set in Tools | Options | Text Editor | File Extensions.