Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Input / InputReport.cs / 1 / InputReport.cs
using System; using System.Security; using System.Security.Permissions; using MS.Internal; using MS.Internal.PresentationCore; using MS.Win32; using System.Windows; namespace System.Windows.Input { ////// The InputReport is an abstract base class for all input that is /// reported to the InputManager. /// ////// 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 abstract class InputReport { ////// Constructs ad instance of the InputReport class. /// /// /// The type of input that is being reported. /// /// /// The type of input that is being reported. /// /// /// The mode in which the input is being reported. /// /// /// The time when the input occured. /// ////// This handles critical data in the form of PresentationSource but there are demands on the /// critical data /// [SecurityCritical, SecurityTreatAsSafe] protected InputReport(PresentationSource inputSource, InputType type, InputMode mode, int timestamp) { if (inputSource == null) throw new ArgumentNullException("inputSource"); Validate_InputType( type ); Validate_InputMode( mode ); _inputSource= new SecurityCriticalData(inputSource); _type = type; _mode = mode; _timestamp = timestamp; } /// /// Read-only access to the type of input source that reported input. /// ////// Critical: This element is treated as critical and is not ok to expose. /// A link demand exists but that in itself is not adequate to safeguard this. /// The critical exists to expose users. /// public PresentationSource InputSource { [SecurityCritical] get { return _inputSource.Value; } } ////// Read-only access to the type of input that was reported. /// public InputType Type {get {return _type;}} ////// Read-only access to the mode in which the input was reported. /// public InputMode Mode {get {return _mode;}} ////// Read-only access to the time when the input occured. /// public int Timestamp {get {return _timestamp;}} ////// There is a proscription against using Enum.IsDefined(). (it is slow) /// so we write these PRIVATE validate routines instead. /// private void Validate_InputMode( InputMode mode ) { switch( mode ) { case InputMode.Foreground: case InputMode.Sink: break; default: throw new System.ComponentModel.InvalidEnumArgumentException("mode", (int)mode, typeof(InputMode)); } } ////// There is a proscription against using Enum.IsDefined(). (it is slow) /// so we write these PRIVATE validate routines instead. /// private void Validate_InputType( InputType type ) { switch( type ) { case InputType.Keyboard: case InputType.Mouse: case InputType.Stylus: case InputType.Hid: case InputType.Text: case InputType.Command: break; default: throw new System.ComponentModel.InvalidEnumArgumentException("type", (int)type, typeof(InputType)); } } private SecurityCriticalData_inputSource; private InputType _type; private InputMode _mode; private int _timestamp; } } // 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.Internal.PresentationCore; using MS.Win32; using System.Windows; namespace System.Windows.Input { /// /// The InputReport is an abstract base class for all input that is /// reported to the InputManager. /// ////// 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 abstract class InputReport { ////// Constructs ad instance of the InputReport class. /// /// /// The type of input that is being reported. /// /// /// The type of input that is being reported. /// /// /// The mode in which the input is being reported. /// /// /// The time when the input occured. /// ////// This handles critical data in the form of PresentationSource but there are demands on the /// critical data /// [SecurityCritical, SecurityTreatAsSafe] protected InputReport(PresentationSource inputSource, InputType type, InputMode mode, int timestamp) { if (inputSource == null) throw new ArgumentNullException("inputSource"); Validate_InputType( type ); Validate_InputMode( mode ); _inputSource= new SecurityCriticalData(inputSource); _type = type; _mode = mode; _timestamp = timestamp; } /// /// Read-only access to the type of input source that reported input. /// ////// Critical: This element is treated as critical and is not ok to expose. /// A link demand exists but that in itself is not adequate to safeguard this. /// The critical exists to expose users. /// public PresentationSource InputSource { [SecurityCritical] get { return _inputSource.Value; } } ////// Read-only access to the type of input that was reported. /// public InputType Type {get {return _type;}} ////// Read-only access to the mode in which the input was reported. /// public InputMode Mode {get {return _mode;}} ////// Read-only access to the time when the input occured. /// public int Timestamp {get {return _timestamp;}} ////// There is a proscription against using Enum.IsDefined(). (it is slow) /// so we write these PRIVATE validate routines instead. /// private void Validate_InputMode( InputMode mode ) { switch( mode ) { case InputMode.Foreground: case InputMode.Sink: break; default: throw new System.ComponentModel.InvalidEnumArgumentException("mode", (int)mode, typeof(InputMode)); } } ////// There is a proscription against using Enum.IsDefined(). (it is slow) /// so we write these PRIVATE validate routines instead. /// private void Validate_InputType( InputType type ) { switch( type ) { case InputType.Keyboard: case InputType.Mouse: case InputType.Stylus: case InputType.Hid: case InputType.Text: case InputType.Command: break; default: throw new System.ComponentModel.InvalidEnumArgumentException("type", (int)type, typeof(InputType)); } } private SecurityCriticalData_inputSource; private InputType _type; private InputMode _mode; private int _timestamp; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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