DragCompletedEventArgs.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Controls / Primitives / DragCompletedEventArgs.cs / 1 / DragCompletedEventArgs.cs
                        

                        
                            using System; 
using System.Windows.Controls;
using System.Windows;

namespace System.Windows.Controls.Primitives 
{
    ///  
    /// This DragCompletedEventArgs class contains additional information about the 
    /// DragCompleted event.
    ///  
    /// 
    /// 
    public class DragCompletedEventArgs: RoutedEventArgs
    { 
        /// 
        /// This is an instance constructor for the DragCompletedEventArgs class.  It 
        /// is constructed with a reference to the event being raised. 
        /// 
        /// Nothing. 
        public DragCompletedEventArgs(double horizontalChange, double verticalChange, bool canceled) : base()
        {
            _horizontalChange = horizontalChange;
            _verticalChange = verticalChange; 
            _wasCanceled = canceled;
            RoutedEvent=Thumb.DragCompletedEvent; 
        } 

        ///  
        /// Read-only access to the horizontal distance between the point where mouse's left-button
        /// was pressed and the point where mouse's left-button was released
        /// 
        public double HorizontalChange 
        {
            get { return _horizontalChange; } 
        } 

        ///  
        /// Read-only access to the vertical distance between the point where mouse's left-button
        /// was pressed and the point where mouse's left-button was released
        /// 
        public double VerticalChange 
        {
            get { return _verticalChange; } 
        } 

        ///  
        /// Read-only access to boolean states whether the drag operation was canceled or not.
        /// 
        /// 
        public bool Canceled 
        {
            get { return _wasCanceled; } 
        } 

        ///  
        /// This method is used to perform the proper type casting in order to
        /// call the type-safe DragCompletedEventHandler delegate for the DragCompletedEvent event.
        /// 
        /// The handler to invoke. 
        /// The current object along the event's route.
        /// Nothing. 
        ///  
        /// 
        protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) 
        {
            DragCompletedEventHandler handler = (DragCompletedEventHandler)genericHandler;
            handler(genericTarget, this);
        } 

        private double _horizontalChange; 
        private double _verticalChange; 
        private bool _wasCanceled;
    } 

    /// 
    ///     This delegate must used by handlers of the DragCompleted event.
    ///  
    /// The current element along the event's route.
    /// The event arguments containing additional information about the event. 
    /// Nothing. 
    public delegate void DragCompletedEventHandler(object sender, DragCompletedEventArgs e);
} 


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

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