SelectionGlyphBase.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / Behavior / SelectionGlyphBase.cs / 1 / SelectionGlyphBase.cs
                        

                        
                            namespace System.Windows.Forms.Design.Behavior { 
    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.ComponentModel.Design; 
    using System.Design;
    using System.Diagnostics; 
    using System.Drawing; 
    using System.Drawing.Drawing2D;
    using System.Windows.Forms.Design; 

    /// 
    /// 
    ///     This is the base class for all the selection Glyphs: GrabHandle, 
    ///     Hidden, Locked, Selection, and Tray Glyphs.  This class includes
    ///     all like-operations for the Selection glyphs. 
    ///  
    internal abstract class SelectionGlyphBase : Glyph {
 
        protected Rectangle bounds;//defines the bounds of the selection glyph
        protected Rectangle hitBounds;//defines the bounds used for hittest - it could be different than the bounds of the glyph itself
        protected Cursor hitTestCursor;//the cursor returned if hit test is positive
        protected SelectionRules rules;//the selection rules - defining how the control can change 

        ///  
        ///  
        ///     Standard constructor.
        ///  
        internal SelectionGlyphBase(Behavior behavior) : base(behavior) {
        }

        ///  
        /// 
        ///     Read-only property describing the SelecitonRules for these Glyphs. 
        ///  
        public SelectionRules SelectionRules {
            get { 
                return rules;
            }
        }
 
        /// 
        ///  
        ///     Simple hit test rule: if the point is contained within the bounds - 
        ///     then it is a positive hit test.
        ///  
        public override Cursor GetHitTest(Point p) {
            if (hitBounds.Contains(p)) {
                return hitTestCursor;
            } 
            return null;
        } 
 
        /// 
        ///  
        ///     Returns the HitTestCursor for this glyph.
        /// 
        public Cursor HitTestCursor {
            get { 
                return hitTestCursor;
            } 
        } 

        ///  
        /// 
        ///     The Bounds of this glyph.
        /// 
 
        public override Rectangle Bounds  {
            get  { 
                return bounds; 
            }
        } 

        /// 
        /// 
        ///     There's no paint logic on this base class. 
        /// 
        public override void Paint(PaintEventArgs pe) { 
        } 

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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