DragStartedEventArgs.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 / DragStartedEventArgs.cs / 1 / DragStartedEventArgs.cs
                        

                        
                            using System; 
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows;
 
namespace System.Windows.Controls.Primitives
{ 
    ///  
    /// This DragStartedEventArgs class contains additional information about the
    /// DragStarted event. 
    /// 
    /// 
    /// 
    public class DragStartedEventArgs: RoutedEventArgs 
    {
        ///  
        /// This is an instance constructor for the DragStartedEventArgs class.  It 
        /// is constructed with a reference to the event being raised.
        ///  
        /// Nothing.
        public DragStartedEventArgs(double horizontalOffset, double verticalOffset) : base()
        {
            _horizontalOffset = horizontalOffset; 
            _verticalOffset = verticalOffset;
            RoutedEvent=Thumb.DragStartedEvent; 
        } 

        ///  
        /// Read-only access to the horizontal offset (relative to Thumb's co-ordinate).
        /// 
        public double HorizontalOffset
        { 
            get { return _horizontalOffset; }
        } 
 
        /// 
        /// Read-only access to the vertical offset (relative to Thumb's co-ordinate). 
        /// 
        public double VerticalOffset
        {
            get { return _verticalOffset; } 
        }
 
        ///  
        /// This method is used to perform the proper type casting in order to
        /// call the type-safe DragStartedEventHandler delegate for the DragStartedEvent event. 
        /// 
        /// The handler to invoke.
        /// The current object along the event's route.
        /// Nothing. 
        /// 
        ///  
        protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget) 
        {
            DragStartedEventHandler handler = (DragStartedEventHandler)genericHandler; 
            handler(genericTarget, this);
        }

        private double _horizontalOffset; 
        private double _verticalOffset;
    } 
 
    /// 
    ///     This delegate must used by handlers of the DragStarted event. 
    /// 
    /// The current element along the event's route.
    /// The event arguments containing additional information about the event.
    /// Nothing. 
    public delegate void DragStartedEventHandler(object sender, DragStartedEventArgs e);
} 
 

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

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