C# code refactoring?

How to convert this code:

MYCLASS ebt = new 开发者_Python百科MYCLASS();
ebt.cbStruct = Marshal.SizeOf(ebt);

into this:

MYCLASS ebt = new MYCLASS(cbStruct = Marshal.SizeOf('What comes here?'));

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modify the MYCLASS ctor,

public MYCLASS()
{
   cbStruct = Marshall.SizeOf(this);
}

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Get the size of the type instead:

MYCLASS ebt = new MYCLASS { cbStruct = Marshal.SizeOf(typeof(MYCLASS)) };

Also note braces rather than parentheses to use initialiser syntax.

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Use a MYCLASS constructor that takes a cbStruct parameter.