// Select tileset private void comboBoxTilesets_SelectedIndexChanged(object sender, EventArgs e) { if ((string)(sender as ToolStripComboBox).Items[(sender as ToolStripComboBox).SelectedIndex] != "") { editorControl.ChangeTileset((string)(sender as ToolStripComboBox).Items[(sender as ToolStripComboBox).SelectedIndex]); } levelDisplay.Focus(); }