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Marshal.ChangeWrapperHandleStrength Method

.NET Framework 4

Other Versions

Changes the strength of an object's COM Callable Wrapper (CCW) handle.

Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)

Syntax

C++

Copy

public static void ChangeWrapperHandleStrength(
	Object otp,
	bool fIsWeak
)

Parameters

otp: Type: System.Object
The object whose CCW holds a reference counted handle. The handle is strong if the reference count on the CCW is greater than zero; otherwise, it is weak.

fIsWeak: Type: System.Boolean
true to change the strength of the handle on the otp parameter to weak, regardless of its reference count; false to reset the handle strength on otp to be reference counted.

Remarks

ChangeWrapperHandleStrength is used for object pooling functionality and should never be called by user code directly.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET Framework Security

SecurityCriticalAttribute
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

Marshal Class

System.Runtime.InteropServices Namespace

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