MouseEvent.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 / WinForms / Managed / System / WinForms / MouseEvent.cs / 1 / MouseEvent.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Windows.Forms { 
 
    using System.Diagnostics;
 
    using System;
    using System.Drawing;
    using System.ComponentModel;
    using Microsoft.Win32; 

    ///  
    ///  
    ///    
    ///       Provides data for the , 
    ///    , and 
    ///    events.
    /// 
    ///  
    [System.Runtime.InteropServices.ComVisible(true)]
    public class MouseEventArgs : EventArgs { 
 
        /// 
        ///  
        ///     Which button generated this event [if applicable]
        /// 
        private readonly MouseButtons button;
 
        /// 
        ///  
        ///     If the user has clicked the mouse more than once, this contains the 
        ///     count of clicks so far.
        ///  
        private readonly int clicks;

        /// 
        ///  
        ///     The x portion of the coordinate where this event occurred.
        ///  
        private readonly int x; 

        ///  
        /// 
        ///     The y portion of the coordinate where this event occurred.
        /// 
        private readonly int y; 

        private readonly int delta; 
 
        /// 
        ///  
        ///    
        ///       Initializes a new instance of the  class.
        ///    
        ///  
        public MouseEventArgs(MouseButtons button, int clicks, int x, int y, int delta) {
            Debug.Assert((button & (MouseButtons.Left | MouseButtons.None | MouseButtons.Right | MouseButtons.Middle | MouseButtons.XButton1 | MouseButtons.XButton2)) == 
                         button, "Invalid information passed into MouseEventArgs constructor!"); 

            this.button = button; 
            this.clicks = clicks;
            this.x = x;
            this.y = y;
            this.delta = delta; 
        }
 
        ///  
        /// 
        ///     
        ///       Gets which mouse button was pressed.
        ///    
        /// 
        public MouseButtons Button { 
            get {
                return button; 
            } 
        }
 
        /// 
        /// 
        ///    
        ///       Gets the 
        ///       number of times the mouse
        ///       button was pressed and released. 
        ///     
        /// 
        public int Clicks { 
            get {
                return clicks;
            }
        } 

        ///  
        ///  
        ///    
        ///       Gets the x-coordinate 
        ///       of a mouse click.
        ///    
        /// 
        public int X { 
            get {
                return x; 
            } 
        }
 
        /// 
        /// 
        ///    
        ///       Gets the y-coordinate of a mouse click. 
        ///    
        ///  
        public int Y { 
            get {
                return y; 
            }
        }

        ///  
        /// 
        ///     
        ///       Gets 
        ///       a signed count of the number of detents the mouse wheel has rotated.
        ///     
        /// 
        public int Delta {
            get {
                return delta; 
            }
        } 
 
        /// 
        ///  
        ///    
        ///       Gets the location of the mouse during MouseEvent.
        ///    
        ///  
        public Point Location {
            get { 
                return new Point(x,y); 
            }
        } 
    }
}

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

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