net461 
namespace System.Windows.Forms
{
    [ClassInterface(ClassInterfaceType.AutoDispatch)]
    [ComVisible(true)]
    [DefaultEvent("ButtonClick")]
    [DefaultProperty("Buttons")]
    [Designer("System.Windows.Forms.Design.ToolBarDesigner, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public class ToolBar : Control
    {
        [Browsable(false)]
        [EditorBrowsable(EditorBrowsableState.Never)]
        public event EventHandler BackgroundImageChanged;
    }
}
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.NET Core
3.0
.NET Framework
1.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net461
Assembly

System.Windows.Forms , Version=4.0.0.0, PublicKeyToken=b77a5c561934e089

Referencing

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

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API