Marshal.NumParamBytes Method
Calculates the number of bytes in unmanaged memory that are required to hold the parameters for the specified method.
Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)
Parameters
- m
- Type: System.Reflection.MethodInfo
The method to be checked.
Return Value
Type: System.Int32The number of bytes required to represent the method parameters in unmanaged memory.
| Exception | Condition |
|---|---|
| ArgumentNullException | The m parameter is null. |
| ArgumentException | The m parameter is not a MethodInfo object. |
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.
- SecurityCriticalAttribute
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
