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Hiding inherited properties

, 2 Oct 2011 CPOL
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When you create a custom control (or any class), you inherit a lot of properties from the base class, most of which are fine. However, particularly in the case of a control derived from UserControl this brings a lot of properties which may not be relevant to the new control.
When you create a custom control (or any class), you inherit a lot of properties from the base class, most of which are fine. However, particularly in the case of a control derived from UserControl, this brings a lot of properties which may not be relevant to the new control.
For example, if your control never scrolls, then the UserControl inherited property AutoScroll is confusing, and makes your control look unprofessional.
The solution is to hide them. However, actually hiding them took me quite a while to work out:
 
Create a new property with the same signature as the property you wish to hide, and give it a default getter and setter:
/// <summary>
/// Unused property
/// </summary>
[Browsable(false),
EditorBrowsable(EditorBrowsableState.Never)]
public new bool AutoScroll { get; set; }
 
The Browsable attribute tells the designer that it should not appear in the Properties window.
The EditorBrowsable attribute tells Intellisense that it should not appear in the autocomplete list.
 
When you run this, you will find that the AutoScroll property still appears in Intellisense! Annoying, isn't it? Don't worry.
It will only appear in Intellisense within your solution.
If you add a reference to your control library within an different solution, Intellisense will not list the property. (You can however still access it if you type the name in fully. Irritating, but true.)

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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Comments and Discussions

 
QuestionBrilliant! Pinmembermaxpayne0026-Sep-14 11:12 
QuestionThis solution is so annoying... PinmemberNaerling21-Jan-13 5:54 
GeneralMy vote of 5 PinmemberSushil Mate23-Oct-12 18:54 
GeneralMy vote of 5 PinmemberJörgen Andersson23-Sep-12 11:00 
GeneralReason for my vote of 5 nice one. Pinmembernikhi _singh1-Mar-12 18:53 
GeneralReason for my vote of 5 Thanks! Pinmemberbeginner201127-Sep-11 23:41 
GeneralReason for my vote of 5 This is very cool. Thanks! Pinmember[d3m0n]15-Mar-11 12:39 
GeneralReason for my vote of 5 simple and effective PinmemberMauxel7-Jul-10 4:39 

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