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Gtk3アプリGtk.ListStoreを使ってコントロールを更新する

Last updated at Posted at 2021-11-24

###Gtk3アプリGtk.ListStoreを使ってコントロールを更新する

Gtk.ListStoreを使いコントロールの更新を行います。
不特定の関数を作るのではなく、ListStoreのイベントハンドリングでまとめて更新をするとわかりやすくなります。

Screenshot from 2021-11-24 14-34-48.png
private Gtk.ListStore listStore1 = new Gtk.ListStore (typeof (testModel));

private void on_btn1_clicked(object sender , EventArgs e){

    testModel testModel1 = new testModel();
    testModel1.Name = "タイトル1";
    testModel1.Description = "詳細1";
    listStore1.Clear();
    listStore1.AppendValues (testModel1);
		
}

private void _mkBining()
{
    listStore1.RowChanged += delegate(object o, RowChangedArgs args)
    {
        ListStore testStore = ((ListStore)o);
        TreeIter iter;
        if (testStore.GetIter(out iter, args.Path))
        {
            testModel testModel1 = (testModel)testStore.GetValue(iter, 0);
            Console.WriteLine("testModel1" + testModel1.icon_id  );
            titleEntry.Text = testModel1.Name;
            descriptionEntry.Text = testModel1.Description;
        }
    };
}

ListStoreのRowChangedメソッドを使い、ListStoreが更新されたら他のコントロールを更新するようにします。

listStore1.RowChanged += delegate(object o, RowChangedArgs args)
{
	ListStore testStore = ((ListStore)o);
	TreeIter iter;
	if (testStore.GetIter(out iter, args.Path))
	{
 	   testModel testModel1 = (testModel)testStore.GetValue(iter, 0);
	}
};

Gtk3アプリ RiderとMySqlとDapperに続く

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