ToolStripSplitButton Class

Represents a combination of a standard button on the left and a drop-down button on the right, or the other way around if the value of RightToLeft is Yes.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in

public class ToolStripSplitButton : ToolStripDropDownItem
public class ToolStripSplitButton extends ToolStripDropDownItem
public class ToolStripSplitButton extends ToolStripDropDownItem
Not applicable.

ToolStripSplitButton combines button and drop-down button functionality.

Use the DefaultItem property to synchronize the Click event of the chosen drop-down item with the item shown on the button.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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