net9.0-windows10.0.22621 
namespace System.Windows.Forms
{
    [DefaultEvent("SelectedIndexChanged")]
    [DefaultProperty("TabPages")]
    [Designer("System.Windows.Forms.Design.TabControlDesigner, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public class TabControl : Control
    {
        [Browsable(false)]
        [DefaultValue(-1)]
        public int SelectedIndex { get; set; }
    }
}
NetFx Compat Lab
39.1 %
Reference this API
23.5 %
Get property
39.1 %
Set property
nuget.org
0.4 %
Reference this API
0.2 %
Get property
0.4 %
Set property
Upgrade Planner
1.3 %
Reference this API
0.5 %
Get property
1.3 %
Set property
.NET
5.06.07.08.09.0
.NET Core
3.03.1
.NET Framework
1.01.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net9.0
Platforms This API is only available when you target a specific platform:
Windows
7.08.010.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621
Information specific to net9.0-windows10.0.22621
Assembly

System.Windows.Forms , Version=9.0.0.0, PublicKeyToken=b77a5c561934e089

Referencing

Your project needs to set <UseWindowsForms>True</UseWindowsForms>.

Platform Restrictions

The property getter is only supported on the following platforms:

  • Windows >= 6.1

The property setter is only supported on the following platforms:

  • Windows >= 6.1
  • Built-in API
  • Package-provided API