Marshal::ZeroFreeCoTaskMemUnicode Method (IntPtr)

.NET Framework (current version)

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

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

Syntax

public:
[SecurityCriticalAttribute]
static void ZeroFreeCoTaskMemUnicode(
	IntPtr s
)

Parameters

s: Type: System::IntPtr
The address of the unmanaged string to free.

Remarks

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

Security

SecurityCriticalAttribute

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

Version Information

Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1