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/main (C# Compiler Options)

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This option specifies the class that contains the entry point to the program, if more than one class contains a Main method.

/main:class

Arguments

  • class
    The type that contains the Main method.

Remarks

If your compilation includes more than one type with a Main method, you can specify which type contains the Main method that you want to use as the entry point into the program.

This option is for use when compiling an .exe file.

To set this compiler option in the Visual Studio development environment

  1. Open the project's Properties page.

  2. Click the Application property page.

  3. Modify the Startup object property.

    To set this compiler option programmatically, see StartupObject.

Example

Compile t2.cs and t3.cs, specifying that the Main method will be found in Test2:

csc t2.cs t3.cs /main:Test2

See Also

Tasks

How to: Modify Project Properties and Configuration Settings

Other Resources

C# Compiler Options