Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Input / RawKeyboardInputReport.cs / 1 / RawKeyboardInputReport.cs
using System; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Win32; using System.Windows; namespace System.Windows.Input { ////// The RawKeyboardInputReport class encapsulates the raw input /// provided from a keyboard. /// ////// 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. /// internal class RawKeyboardInputReport : InputReport { ////// Constructs ad instance of the RawKeyboardInputReport class. /// /// /// The input source that provided this input. /// /// /// The mode in which the input is being provided. /// /// /// The time when the input occured. /// /// /// The set of actions being reported. /// /// /// The scan code if a key is being reported. /// /// /// The true if a key is an extended key. /// /// /// The true if a key is a system key. /// /// /// The Win32 virtual key code if a key is being reported. /// /// /// Any extra information being provided along with the input. /// ////// Critical:This handles critical data in the form of PresentationSource and /// ExtraInformation /// TreatAsSafe:The data has demands on the property when someone tries to access it. /// [SecurityCritical,SecurityTreatAsSafe] public RawKeyboardInputReport( PresentationSource inputSource, InputMode mode, int timestamp, RawKeyboardActions actions, int scanCode, bool isExtendedKey, bool isSystemKey, int virtualKey, IntPtr extraInformation) : base(inputSource, InputType.Keyboard, mode, timestamp) { if (!IsValidRawKeyboardActions(actions)) throw new System.ComponentModel.InvalidEnumArgumentException("actions", (int)actions, typeof(RawKeyboardActions)); _actions = actions; _scanCode = scanCode; _isExtendedKey = isExtendedKey; _isSystemKey = isSystemKey; _virtualKey = virtualKey; _extraInformation = new SecurityCriticalData(extraInformation); } /// /// Read-only access to the set of actions that were reported. /// public RawKeyboardActions Actions {get {return _actions;}} ////// Read-only access to the scan code that was reported. /// public int ScanCode {get {return _scanCode;}} ////// Read-only access to the flag of an extended key. /// public bool IsExtendedKey {get {return _isExtendedKey;}} ////// Read-only access to the flag of a system key. /// public bool IsSystemKey {get {return _isSystemKey;}} ////// Read-only access to the virtual key that was reported. /// public int VirtualKey {get {return _virtualKey;}} ////// Read-only access to the extra information was provided along /// with the input. /// ////// Critical: This data was got under an elevation and is not safe to expose /// public IntPtr ExtraInformation { [SecurityCritical] get { return _extraInformation.Value; } } // IsValid Method for RawKeyboardActions. Relies on the enum being flags. internal static bool IsValidRawKeyboardActions(RawKeyboardActions actions) { if (((RawKeyboardActions.AttributesChanged | RawKeyboardActions.Activate | RawKeyboardActions.Deactivate | RawKeyboardActions.KeyDown | RawKeyboardActions.KeyUp) & actions) == actions) { if (!((((RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown) & actions) == (RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown)) || ((RawKeyboardActions.Deactivate & actions) == actions && RawKeyboardActions.Deactivate != actions))) { return true; } } return false; } private RawKeyboardActions _actions; private int _scanCode; private bool _isExtendedKey; private bool _isSystemKey; private int _virtualKey; ////// Critical: This information is got under an elevation and can latch onto /// any arbitrary data /// private SecurityCriticalData_extraInformation; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Win32; using System.Windows; namespace System.Windows.Input { /// /// The RawKeyboardInputReport class encapsulates the raw input /// provided from a keyboard. /// ////// 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. /// internal class RawKeyboardInputReport : InputReport { ////// Constructs ad instance of the RawKeyboardInputReport class. /// /// /// The input source that provided this input. /// /// /// The mode in which the input is being provided. /// /// /// The time when the input occured. /// /// /// The set of actions being reported. /// /// /// The scan code if a key is being reported. /// /// /// The true if a key is an extended key. /// /// /// The true if a key is a system key. /// /// /// The Win32 virtual key code if a key is being reported. /// /// /// Any extra information being provided along with the input. /// ////// Critical:This handles critical data in the form of PresentationSource and /// ExtraInformation /// TreatAsSafe:The data has demands on the property when someone tries to access it. /// [SecurityCritical,SecurityTreatAsSafe] public RawKeyboardInputReport( PresentationSource inputSource, InputMode mode, int timestamp, RawKeyboardActions actions, int scanCode, bool isExtendedKey, bool isSystemKey, int virtualKey, IntPtr extraInformation) : base(inputSource, InputType.Keyboard, mode, timestamp) { if (!IsValidRawKeyboardActions(actions)) throw new System.ComponentModel.InvalidEnumArgumentException("actions", (int)actions, typeof(RawKeyboardActions)); _actions = actions; _scanCode = scanCode; _isExtendedKey = isExtendedKey; _isSystemKey = isSystemKey; _virtualKey = virtualKey; _extraInformation = new SecurityCriticalData(extraInformation); } /// /// Read-only access to the set of actions that were reported. /// public RawKeyboardActions Actions {get {return _actions;}} ////// Read-only access to the scan code that was reported. /// public int ScanCode {get {return _scanCode;}} ////// Read-only access to the flag of an extended key. /// public bool IsExtendedKey {get {return _isExtendedKey;}} ////// Read-only access to the flag of a system key. /// public bool IsSystemKey {get {return _isSystemKey;}} ////// Read-only access to the virtual key that was reported. /// public int VirtualKey {get {return _virtualKey;}} ////// Read-only access to the extra information was provided along /// with the input. /// ////// Critical: This data was got under an elevation and is not safe to expose /// public IntPtr ExtraInformation { [SecurityCritical] get { return _extraInformation.Value; } } // IsValid Method for RawKeyboardActions. Relies on the enum being flags. internal static bool IsValidRawKeyboardActions(RawKeyboardActions actions) { if (((RawKeyboardActions.AttributesChanged | RawKeyboardActions.Activate | RawKeyboardActions.Deactivate | RawKeyboardActions.KeyDown | RawKeyboardActions.KeyUp) & actions) == actions) { if (!((((RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown) & actions) == (RawKeyboardActions.KeyUp | RawKeyboardActions.KeyDown)) || ((RawKeyboardActions.Deactivate & actions) == actions && RawKeyboardActions.Deactivate != actions))) { return true; } } return false; } private RawKeyboardActions _actions; private int _scanCode; private bool _isExtendedKey; private bool _isSystemKey; private int _virtualKey; ////// Critical: This information is got under an elevation and can latch onto /// any arbitrary data /// private SecurityCriticalData_extraInformation; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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