Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Input / RawMouseInputReport.cs / 1 / RawMouseInputReport.cs
using System.Windows.Media; // using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Internal.PresentationCore; using MS.Win32; using System; namespace System.Windows.Input { ////// The RawMouseInputReport class encapsulates the raw input provided /// from a mouse. /// ////// It is important to note that the InputReport class only contains /// blittable types. This is required so that the report can be /// marshalled across application domains. /// [FriendAccessAllowed] internal class RawMouseInputReport : InputReport { ////// Constructs ad instance of the RawMouseInputReport class. /// /// /// The mode in which the input is being provided. /// /// /// The time when the input occured. /// /// /// The PresentationSource over which the mouse is moved. /// /// /// The set of actions being reported. /// /// /// If horizontal position being reported. /// /// /// If vertical position being reported. /// /// /// If wheel delta being reported. /// /// /// Any extra information being provided along with the input. /// ////// Critical:This handles critical data in the form of PresentationSource and ExtraInformation /// TreatAsSafe:There are demands on the critical data(PresentationSource/ExtraInformation) /// [SecurityCritical, SecurityTreatAsSafe] public RawMouseInputReport( InputMode mode, int timestamp, PresentationSource inputSource, RawMouseActions actions, int x, int y, int wheel, IntPtr extraInformation) : base(inputSource, InputType.Mouse, mode, timestamp) { if (!IsValidRawMouseActions(actions)) throw new System.ComponentModel.InvalidEnumArgumentException("actions", (int)actions, typeof(RawMouseActions)); /* we pass a null state from MouseDevice.PreProcessorInput, so null is valid value for state */ _actions = actions; _x = x; _y = y; _wheel = wheel; _extraInformation = new SecurityCriticalData(extraInformation); } /// /// Read-only access to the set of actions that were reported. /// public RawMouseActions Actions {get {return _actions;}} ////// Read-only access to the horizontal position that was reported. /// public int X {get {return _x;}} ////// Read-only access to the vertical position that was reported. /// public int Y {get {return _y;}} ////// Read-only access to the wheel delta that was reported. /// public int Wheel {get {return _wheel;}} ////// Read-only access to the extra information was provided along /// with the input. /// ////// Critical: This data was got under an elevation. There exists a link demand to /// block access. The critical exists to catch new callers too. /// public IntPtr ExtraInformation { [SecurityCritical] get { return _extraInformation.Value; } } // IsValid Method for RawMouseActions. Relies on the enum being flags. internal static bool IsValidRawMouseActions(RawMouseActions actions) { if (actions == RawMouseActions.None) return true; if ((( RawMouseActions.AttributesChanged | RawMouseActions.Activate | RawMouseActions.Deactivate | RawMouseActions.RelativeMove | RawMouseActions.AbsoluteMove | RawMouseActions.VirtualDesktopMove | RawMouseActions.Button1Press | RawMouseActions.Button1Release | RawMouseActions.Button2Press | RawMouseActions.Button2Release | RawMouseActions.Button3Press | RawMouseActions.Button3Release | RawMouseActions.Button4Press | RawMouseActions.Button4Release | RawMouseActions.Button5Press | RawMouseActions.Button5Release | RawMouseActions.VerticalWheelRotate | RawMouseActions.HorizontalWheelRotate | RawMouseActions.CancelCapture | RawMouseActions.QueryCursor) & actions) == actions) { if (!(((RawMouseActions.Deactivate & actions) == actions && RawMouseActions.Deactivate != actions ) || (((RawMouseActions.Button1Press | RawMouseActions.Button1Release) & actions) == (RawMouseActions.Button1Press | RawMouseActions.Button1Release)) || (((RawMouseActions.Button2Press | RawMouseActions.Button2Release) & actions) == (RawMouseActions.Button2Press | RawMouseActions.Button2Release)) || (((RawMouseActions.Button3Press | RawMouseActions.Button3Release) & actions) == (RawMouseActions.Button3Press | RawMouseActions.Button3Release)) || (((RawMouseActions.Button4Press | RawMouseActions.Button4Release) & actions) == (RawMouseActions.Button4Press | RawMouseActions.Button4Release)) || (((RawMouseActions.Button5Press | RawMouseActions.Button5Release) & actions) == (RawMouseActions.Button5Press | RawMouseActions.Button5Release)))) { return true; } } return false; } private RawMouseActions _actions; private int _x; private int _y; private int _wheel; internal bool _isSynchronize; // Set from MouseDevice.Synchronize. ////// Critical:This data was got under an elevation and is not safe to expose. /// private SecurityCriticalData_extraInformation; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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