Time for action – completing the editor – part 1

1. Open the MapEditor form in Design mode.

2. Double-click on the listTiles ListView control to automatically generate an event handler for the SelectedIndexChanged event. Update the event code to read:

   Private Sub listTiles_SelectedIndexChanged(sender As System.Object,e As System.EventArgs) Handles listTiles.SelectedIndexChanged
   
     If listTiles.SelectedIndices.Count > 0 Then
       game.DrawTile = listTiles.SelectedIndices(0)
     End If
   End Sub

3. Return to the Design view of the MapEditor form, and double-click on the radio button labeled Toggle Passable to generate a handler for the CheckChanged event. Update the event handler to read:

   Private Sub radioPassable_CheckedChanged(sender As System.Object,e As System.EventArgs) Handles radioPassable.CheckedChanged
   
     If Not IsNothing(game) Then
       If radioPassable.Checked Then
         game.EditingCode = False
       Else
         game.EditingCode = True
       End If
     End If
   End Sub

4. Return to the Design view, and double...