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Marshal.ZeroFreeCoTaskMemUnicode Method

Frees an unmanaged string pointer that was allocated using the SecureStringToCoTaskMemUnicode method.

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

'Declaration
Public Shared Sub ZeroFreeCoTaskMemUnicode ( _
	s As IntPtr _
)

Parameters

s
Type: System.IntPtr

The address of the unmanaged string to free.

The ZeroFreeCoTaskMemUnicode method first zeros out and then frees unmanaged memory that was allocated using the SecureStringToCoTaskMemUnicode method.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

  • SecurityCriticalAttribute 

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

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