LynnaLab.Room.SetTile C# (CSharp) Method

        public void SetTile(int x, int y, int value)
        {
            if (GetTile(x,y) != value) {
                tileDataFile.Position = y*fileWidth+x;
                tileDataFile.WriteByte((byte)value);
                if (cachedImage != null) {
                    Graphics g = Graphics.FromImage(cachedImage);
                    g.DrawImageUnscaled(area.GetTileImage(value), x*16, y*16);
                    g.Dispose();
                }
                Modified = true;
                if (RoomModifiedEvent != null)
                    RoomModifiedEvent();
            }
        }

 void OnClicked(int x, int y)
 {
     x /= TileWidth;
     y /= TileHeight;
     if (!ViewObjects)
     {
         room.SetTile(x, y, client.SelectedIndex);
         this.QueueDrawArea(x * TileWidth, y * TileWidth, TileWidth - 1, TileHeight - 1);
     }
     else
     {
         if (objectEditor != null)
         {
             ObjectGroupEditor editor = objectEditor;
             while (hoveringObjectIndices.Count > 1)
             {
                 editor.SelectedIndex = hoveringObjectIndices[0];
                 hoveringObjectIndices.RemoveAt(0);
                 editor = editor.SubEditor;
             }
             if (hoveringObjectIndices.Count == 1)
             {
                 editor.SelectedIndex = hoveringObjectIndices[0];
                 draggingObject       = true;
             }
         }
     }
 }