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Marshal.ChangeWrapperHandleStrength Method

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

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

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.

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • SecurityCriticalAttribute 

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

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