pinvoke.net: Edit: shell32.PathCleanupSpec

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Summary: Removes illegal characters from a file or directory name. Enforces the 8.3 filename format on drives that do not support long file names.

!!!!C# Signature:
 [DllImport("shell32.dll", EntryPoint="PathCleanupSpec", CharSet=CharSet.Unicode)]
 internal static extern int PathCleanupSpec(
 	StringBuilder pszDir,
 	[MarshalAs(UnmanagedType.LPWStr)]StringBuilder pszSpec);
!!!!VB Signature:
 <DllImport("shell32.dll", EntryPoint:="PathCleanupSpec", CharSet:=CharSet.Unicode)> _
 Friend Shared Function PathCleanupSpec( _
 	ByVal pszDir As StringBuilder, _ 
 	<MarshalAs(UnmanagedType.LPWStr)> ByVal pszSpec As StringBuilder) As Integer
 End Function

!!!!Sample Code:
 const int MAX_PATH = 260;

StringBuilder folderSpec = new StringBuilder(MAX_PATH);
 folderSpec.Append(@"D:\");

StringBuilder fileSpec = new StringBuilder(MAX_PATH);
 fileSpec.Append("Bad*file?<test>.txt");

int result = NativeMethods.PathCleanupSpec(folderSpec, fileSpec);

Console.WriteLine("FileName: {0}", fileSpec.ToString());

Documentation: PathCleanupSpec@msdn on MSDN