Error Message
The out parameter 'parameter' must be assigned to before control leaves the current method
A parameter marked with the out keyword was not assigned a value in the method body. For more information, see Passing Parameters (C# Programming Guide)
The following sample generates CS0177:
// CS0177.cs
public class MyClass
{
public static void Foo(out int i) // CS0177
{
// uncomment the following line to resolve this error
// i = 0;
}
public static void Main()
{
int x = -1;
Foo(out x);
}
}