.NET API Catalog

ButtonBase

net9.0-windows10.0.22621
    namespace System.Windows.Forms
{
    [Designer("System.Windows.Forms.Design.ButtonBaseDesigner, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public abstract class ButtonBase : Control
    {
        protected override void OnLostFocus(EventArgs! e);
    }
}

Information specific to `net9.0`
NetFx Compat Lab	4.3 % Reference this API
nuget.org	0.1 % Reference this API
Upgrade Planner	0.1 % Reference this API
.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
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	This API is only supported on the following platforms: Windows >= 6.1

Built-in API
Package-provided API