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Control.DesignMode Property


Gets a value indicating whether a control is being used on a design surface.

protected public:
 property bool DesignMode { bool get(); };
protected internal bool DesignMode { get; }
member this.DesignMode : bool
Protected Friend ReadOnly Property DesignMode As Boolean

Property Value

true if the control is being used in a designer; otherwise, false.


The DesignMode property returns true to indicate that the control is being used in the context of a designer. Your custom controls can use this property when design-time behavior is different than run-time behavior.

Applies to

See also