Frees an unmanaged string pointer that was allocated using the SecureStringToGlobalAllocAnsi method.
Assembly: mscorlib (in mscorlib.dll)
The method first zeros out and then frees unmanaged memory that was allocated using the SecureStringToGlobalAllocAnsi method.
The following example uses the SecureStringToGlobalAllocAnsi method to marshal and decrypt the contents of a SecureString object to a block of unmanaged memory. It then uses the method to zero out and dispose the unmanaged block.
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.