ToolStripDropDown.AutoClose Property


Gets or sets a value indicating whether the ToolStripDropDown control should automatically close when it has lost activation.

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

member AutoClose : bool with get, set

Property Value

Type: System.Boolean

true if the ToolStripDropDown control automatically closes; otherwise, false. The default is true.

If you want a ToolStripDropDown that always stays open, set AutoClose to false.


Consider handling the Closing event instead of setting the AutoClose property. Inspect the CloseReason field in your Closing handler to specify custom closing logic.

The following code example demonstrates how to toggle the value of the AutoClose property in response to a check box selection.

No code example is currently available or this language may not be supported.


to use all windows and user input events without restriction. Associated enumeration: the AllWindows value of System.Security.Permissions.UIPermissionWindow

.NET Framework
Available since 2.0
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