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Compiler Error CS0225

The params parameter must be a single dimensional array

When using the params keyword, you must specify a single-dimensional array of the data type.

The following sample generates CS0225:

// CS0225.cs
public class MyClass
{
   public static void TestParams(params int a)   // CS0225
   // try the following line instead
   // public static void TestParams(params int[] a)
   {
   }

   public static void Main()
   {
      TestParams(1);
   }
}
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