Marshal.NumParamBytes(MethodInfo) Method

Reference

Definition

Namespace:: System.Runtime.InteropServices

Assembly:: mscorlib.dll

Important

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Calculates the number of bytes in unmanaged memory that are required to hold the parameters for the specified method.

public:
 static int NumParamBytes(System::Reflection::MethodInfo ^ m);

public static int NumParamBytes(System.Reflection.MethodInfo m);

[System.Security.SecurityCritical]
public static int NumParamBytes(System.Reflection.MethodInfo m);

static member NumParamBytes : System.Reflection.MethodInfo -> int

[<System.Security.SecurityCritical>]
static member NumParamBytes : System.Reflection.MethodInfo -> int

Public Shared Function NumParamBytes (m As MethodInfo) As Integer

Parameters

m: MethodInfo

The method to be checked.

Returns

Int32

The number of bytes required to represent the method parameters in unmanaged memory.

Attributes: SecurityCriticalAttribute

Exceptions

ArgumentNullException

The m parameter is null.

ArgumentException

The m parameter is not a MethodInfo object.

Remarks

The NumParamBytes 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.

Applies to

Product	Versions
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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