using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace Test_VererbungUserControl { public partial class UserControl1 : UserControl { public UserControl1() { InitializeComponent(); } public void HideAddButton() { this.buttonAdd.Visible = !this.buttonAdd.Visible; } public void HideRemoveButton() { this.buttonRemove.Visible = !this.buttonRemove.Visible; } } }