[VB.NET]
'gq̕ϊ
Console.WriteLine( _
    System.IO.Path.ChangeExtension("C:\My Documents\My Pictures\Tv.jpg", ".jpeg"))
':C:\My Documents\My Pictures\Tv.jpeg

'pX̌
Console.WriteLine( _
    System.IO.Path.Combine("C:\My Documents\My Pictures", "pic1"))
':C:\My Documents\My Pictures\pic1

'fBNg
Console.WriteLine( _
    System.IO.Path.GetDirectoryName("C:\My Documents\My Pictures\Tv.jpg"))
':C:\My Documents\My Pictures

'gq
Console.WriteLine( _
    System.IO.Path.GetExtension("C:\My Documents\My Pictures\Tv.jpg"))
':.jpg

't@C
Console.WriteLine( _
    System.IO.Path.GetFileName("C:\My Documents\My Pictures\Tv.jpg"))
':Tv.jpg

't@CigqȂj
Console.WriteLine _
    (System.IO.Path.GetFileNameWithoutExtension("C:\My Documents\My Pictures\Tv.jpg"))
':Tv

'[gfBNg
Console.WriteLine( _
    System.IO.Path.GetPathRoot("C:\My Documents\My Pictures\Tv.jpg"))
':C:\
