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9.2

How to edit my UserControl's flags using the designer?

Asked by JimR123b in C# Programming Language

Tags: C#, designer, flags, enum, vs2005

Hi,

I'm writing a custom control, which is based on the System.Windows.Forms.Panel control.

I'd like to add a property called "Edges", which lists one or more edges (e.g. Left, Top, etc), specifying where to draw lines around the outside of the panel.

So, for example, if the Edges property contains "Left" and "Bottom", the panel will draw lines at the top and bottom of it.

I'd like my "Edges" property to be editable via the designer in Visual Studio (2005), which it is, but it only allows me to select, in the designer, one edge at a time, instead of multiple.

I can set several at once through code, but not through the designer's property editor.

How do I make the designer property editor let me select more than one Edge at a time?

I've attached the code which I think is relevant...
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public partial class Panel : System.Windows.Forms.Panel
    {
        [Flags]
        public enum PanelEdges
        {
            None = 0,
            Top = 1,
            Left = 2,
            Right = 4,
            Bottom = 8
        }
 
        private PanelEdges FEdges = PanelEdges.None;
        public PanelEdges Edges
        {
            get { return FEdges; }
            set
            {
                FEdges = value;
                Invalidate();
            }
        }
 
        public Panel()
        {
            InitializeComponent();
 
            this.Edges = PanelEdges.Top | PanelEdges.Bottom; // this works ok
        }
    }
[+][-]09/17/09 06:17 AM, ID: 25355708Accepted Solution

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About this solution

Zone: C# Programming Language
Tags: C#, designer, flags, enum, vs2005
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Solution Provided By: neder
Participating Experts: 1
Solution Grade: A
 
[+][-]09/17/09 07:20 AM, ID: 25356527Author Comment

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