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 void listTiles_SelectedIndexChanged(
       object sender, EventArgs e)
   {
       if (listTiles.SelectedIndices.Count > 0)
       {
           game.DrawTile =
               listTiles.SelectedIndices[0];
       }
   }

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

   private void radioPassable_CheckedChanged(object sender, EventArgs e)
   {
       if (radioPassable.Checked)
       {
           game.EditingCode = false;
       }
       else
       {
           game.EditingCode = true;
       }
   }

4. Return to the Design view and double-click on the Code radio button. Update the CheckChanged event handler to read:

   private void radioCode_CheckedChanged(object...