Marshals data of type VT_BSTR from managed to unmanaged code. This class cannot be inherited.
Assembly: mscorlib (in mscorlib.dll)
Thetype exposes the following members.
|Equals(Object)||Determines whether the specified object is equal to the current object. (Inherited from Object.)|
|GetHashCode||Serves as the default hash function. (Inherited from Object.)|
|GetType||Gets the Type of the current instance. (Inherited from Object.)|
|ToString||Returns a string that represents the current object. (Inherited from Object.)|
The class controls how the wrapped object is marshaled when passed as VARIANT. You can wrap a String object in a object to marshal it as VT_BSTR. is useful when passing a null string to unmanaged code. Without , a null string is passed as VT_EMPTY; however, wrapping the string with ensures that the null string is passed as VT_BSTR.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.