revert to VB and update to new project file format

Pilz.Win32/Native/LibShell32.vb

@@ -0,0 +1,9 @@
+Namespace Native
+
+    Public Class LibShell32
+
+        Public Declare Function SHGetFileInfo Lib "shell32.dll" (ByVal pszPath As String, ByVal dwFileAttributes As UInteger, ByRef psfi As SHFILEINFO, ByVal cbSizeFileInfo As UInteger, ByVal uFlags As UInteger) As IntPtr
+
+    End Class
+
+End Namespace