Calculates the number of bytes in unmanaged memory that are required to hold the parameters for the specified method.
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The number of bytes required to represent the method parameters in unmanaged memory.
The Marshal.NumParamBytes(System.Reflection.MethodInfo) method returns the stack size (in bytes) needed to represent the parameters of a method signature in unmanaged memory.
Note that the return value of this method is platform-dependent. For example, a signature with a single integer parameter returns a value of 4 on 32-bit platforms and a value of 8 on 64-bit platforms.