FileDialog changes:

added InitialDirectory property;
added possibility to change disk (C:/, D:/, E:/ and etc) from textBox;
fixed NullReferenceException when button 'Up' was pressed while in the top folder.

Author: Meragon

Examples/Panels/PanelFileDialog.cs

@@ -19,6 +19,7 @@ public override void Initialize()
             {
                 var ofd = new OpenFileDialog();
                 ofd.Filter = textFilter.Text;
+                ofd.InitialDirectory = "C:\\";
                 ofd.ShowDialog(
                     (form, result) =>
                     {