When it is called by trusted applications, returns the volume information, root information, or both for the specified path.
Assembly: mscorlib (in mscorlib.dll)
'Declaration <SecuritySafeCriticalAttribute> _ Public Shared Function GetDirectoryRoot ( _ path As String _ ) As String
- Type: System.String
The path of a file or directory.
Return ValueType: System.String
A string containing the volume information, root information, or both for the specified path.
The caller does not have the required permission.
path is a zero-length string, contains only white space, or contains one or more invalid characters.
path is Nothing.
The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters and file names must be less than 260 characters.
Silverlight for Windows PhoneThis member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.