StylusSystemGestureEventArgs.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 / Core / System / Windows / Input / Stylus / StylusSystemGestureEventArgs.cs / 1 / StylusSystemGestureEventArgs.cs
                        

                        
                            using System; 
using System.Collections;
using System.ComponentModel;
using System.Windows.Media;
 
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID; 
 
namespace System.Windows.Input
{ 
    /////////////////////////////////////////////////////////////////////////
    /// 
    ///     The StylusSystemGestureEventArgs class provides access to the logical
    ///     Stylus device for all derived event args. 
    /// 
    public class StylusSystemGestureEventArgs : StylusEventArgs 
    { 
        /////////////////////////////////////////////////////////////////////
        ///  
        ///     Initializes a new instance of the StylusSystemGestureEventArgs class.
        /// 
        /// 
        ///     The logical Stylus device associated with this event. 
        /// 
        ///  
        ///     The time when the input occured. 
        /// 
        ///  
        ///     The type of system gesture.
        /// 
        public StylusSystemGestureEventArgs(
            StylusDevice stylusDevice, int timestamp, 
            SystemGesture systemGesture) :
            base(stylusDevice, timestamp) 
        { 
            if (systemGesture != SystemGesture.Tap &&
                systemGesture != SystemGesture.RightTap && 
                systemGesture != SystemGesture.Drag &&
                systemGesture != SystemGesture.RightDrag &&
                systemGesture != SystemGesture.HoldEnter &&
                systemGesture != SystemGesture.HoldLeave && 
                systemGesture != SystemGesture.HoverEnter &&
                systemGesture != SystemGesture.HoverLeave && 
                systemGesture != SystemGesture.None) 
            {
                throw new InvalidEnumArgumentException(SR.Get(SRID.Enum_Invalid, "systemGesture")); 
            }

            _id        = systemGesture;
        } 

        ///////////////////////////////////////////////////////////////////// 
        ///  
        ///     Initializes a new instance of the StylusSystemGestureEventArgs class.
        ///  
        /// 
        ///     The logical Stylus device associated with this event.
        /// 
        ///  
        ///     The time when the input occured.
        ///  
        ///  
        ///     The type of system gesture.
        ///  
        /// 
        ///     The X location reported with this system gesture.  In tablet
        ///     device coordinates.
        ///  
        /// 
        ///     The Y location reported with this system gesture.  In tablet 
        ///     device coordinates. 
        /// 
        ///  
        ///     The button state at the time of the system gesture.
        ///     Note: A flick gesture will pass the flick data in the parameter.
        /// 
        internal StylusSystemGestureEventArgs( 
                                StylusDevice stylusDevice,
                                int timestamp, 
                                SystemGesture systemGesture, 
                                int gestureX,
                                int gestureY, 
                                int buttonState) :
                base(stylusDevice, timestamp)
        {
            if (systemGesture != SystemGesture.Tap && 
                systemGesture != SystemGesture.RightTap &&
                systemGesture != SystemGesture.Drag && 
                systemGesture != SystemGesture.RightDrag && 
                systemGesture != SystemGesture.HoldEnter &&
                systemGesture != SystemGesture.HoldLeave && 
                systemGesture != SystemGesture.HoverEnter &&
                systemGesture != SystemGesture.HoverLeave &&
                systemGesture != SystemGesture.Flick &&
                systemGesture != SystemGesture.None) 
            {
                throw new InvalidEnumArgumentException(SR.Get(SRID.Enum_Invalid, "systemGesture")); 
            } 

            _id          = systemGesture; 
            _buttonState = buttonState;
            _gestureX    = gestureX;
            _gestureY    = gestureY;
        } 

        ///////////////////////////////////////////////////////////////////// 
        ///  
        ///		Field to retrieve which gesture occurred.
        ///  
        public SystemGesture SystemGesture
        {
            get
            { 
                return _id;
            } 
        } 

        ///////////////////////////////////////////////////////////////////// 
        /// 
        ///		Field to retrieve the button state reported with this
        ///     system gesture.
        /// 
        ///     NOTE: For a Flick gesture this param contains the flick
        ///           and not the button state. 
        ///  
        internal int ButtonState
        { 
            get
            {
                return _buttonState;
            } 
        }
 
        ///////////////////////////////////////////////////////////////////// 
        /// 
        ///		Field to retrieve the X location of the system gesture. 
        ///     This is in tablet device coordinates.
        /// 
        internal int GestureX
        { 
            get
            { 
                return _gestureX; 
            }
        } 

        /////////////////////////////////////////////////////////////////////
        /// 
        ///		Field to retrieve the Y location of the system gesture. 
        ///     This is in tablet device coordinates.
        ///  
        internal int GestureY 
        {
            get 
            {
                return _gestureY;
            }
        } 

        ///////////////////////////////////////////////////////////////////// 
        ///  
        ///     The mechanism used to call the type-specific handler on the
        ///     target. 
        /// 
        /// 
        ///     The generic handler to call in a type-specific way.
        ///  
        /// 
        ///     The target to call the handler on. 
        ///  
        protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget)
        { 
            StylusSystemGestureEventHandler handler = (StylusSystemGestureEventHandler) genericHandler;
            handler(genericTarget, this);
        }
 
        /////////////////////////////////////////////////////////////////////
 
        SystemGesture     _id; 
        int               _buttonState;
        int               _gestureX; 
        int               _gestureY;
    }
}

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

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