Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Shared / MS / Win32 / SafeSystemMetrics.cs / 1 / SafeSystemMetrics.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2004 // // File: SafeSystemMetrics.cs // This class is copied from the system metrics class in frameworks. The // reason it exists is to consolidate all system metric calls through one layer // so that maintenance from a security stand point gets easier. We will add // mertrics on a need basis. The caching code is removed since the original calls // that were moved here do not rely on caching. If there is a percieved perf. problem // we can work on enabling this. //----------------------------------------------------------------------------- using System; using System.Collections; using System.Runtime.InteropServices; using System.Windows.Media; using Microsoft.Win32; using System.Security; using System.Security.Permissions; using MS.Win32; using MS.Internal; using MS.Internal.PresentationCore; namespace MS.Win32 { ////// Contains properties that are queries into the system's various settings. /// [FriendAccessAllowed] // Built into Core, also used by Framework. internal sealed class SafeSystemMetrics { private SafeSystemMetrics() { } #if !PRESENTATION_CORE ////// Maps to SM_CXVIRTUALSCREEN /// ////// TreatAsSafe --There exists a demand /// Security Critical -- Calling UnsafeNativeMethods /// internal static int VirtualScreenWidth { [SecurityCritical,SecurityTreatAsSafe] get { SecurityHelper.DemandUnmanagedCode(); return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXVIRTUALSCREEN); } } ////// Maps to SM_CYVIRTUALSCREEN /// ////// TreatAsSafe --There exists a demand /// Security Critical -- Calling UnsafeNativeMethods /// internal static int VirtualScreenHeight { [SecurityCritical,SecurityTreatAsSafe] get { SecurityHelper.DemandUnmanagedCode(); return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYVIRTUALSCREEN); } } #endif //end !PRESENTATIONCORE ////// Maps to SM_CXDOUBLECLK /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DoubleClickDeltaX { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXDOUBLECLK); } } ////// Maps to SM_CYDOUBLECLK /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DoubleClickDeltaY { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYDOUBLECLK); } } ////// Maps to SM_CXDRAG /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DragDeltaX { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXDRAG); } } ////// Maps to SM_CYDRAG /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DragDeltaY { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYDRAG); } } ////// Is an IMM enabled ? Maps to SM_IMMENABLED /// //////Critical - calls a method that performs an elevation. /// TreatAsSafe - data is considered safe to expose. /// internal static bool IsImmEnabled { [SecurityCritical, SecurityTreatAsSafe] get { return (UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_IMMENABLED) != 0); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2004 // // File: SafeSystemMetrics.cs // This class is copied from the system metrics class in frameworks. The // reason it exists is to consolidate all system metric calls through one layer // so that maintenance from a security stand point gets easier. We will add // mertrics on a need basis. The caching code is removed since the original calls // that were moved here do not rely on caching. If there is a percieved perf. problem // we can work on enabling this. //----------------------------------------------------------------------------- using System; using System.Collections; using System.Runtime.InteropServices; using System.Windows.Media; using Microsoft.Win32; using System.Security; using System.Security.Permissions; using MS.Win32; using MS.Internal; using MS.Internal.PresentationCore; namespace MS.Win32 { ////// Contains properties that are queries into the system's various settings. /// [FriendAccessAllowed] // Built into Core, also used by Framework. internal sealed class SafeSystemMetrics { private SafeSystemMetrics() { } #if !PRESENTATION_CORE ////// Maps to SM_CXVIRTUALSCREEN /// ////// TreatAsSafe --There exists a demand /// Security Critical -- Calling UnsafeNativeMethods /// internal static int VirtualScreenWidth { [SecurityCritical,SecurityTreatAsSafe] get { SecurityHelper.DemandUnmanagedCode(); return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXVIRTUALSCREEN); } } ////// Maps to SM_CYVIRTUALSCREEN /// ////// TreatAsSafe --There exists a demand /// Security Critical -- Calling UnsafeNativeMethods /// internal static int VirtualScreenHeight { [SecurityCritical,SecurityTreatAsSafe] get { SecurityHelper.DemandUnmanagedCode(); return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYVIRTUALSCREEN); } } #endif //end !PRESENTATIONCORE ////// Maps to SM_CXDOUBLECLK /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DoubleClickDeltaX { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXDOUBLECLK); } } ////// Maps to SM_CYDOUBLECLK /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DoubleClickDeltaY { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYDOUBLECLK); } } ////// Maps to SM_CXDRAG /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DragDeltaX { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXDRAG); } } ////// Maps to SM_CYDRAG /// ////// TreatAsSafe --This data is safe to expose /// Security Critical -- Calling UnsafeNativeMethods /// internal static int DragDeltaY { [SecurityCritical, SecurityTreatAsSafe] get { return UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYDRAG); } } ////// Is an IMM enabled ? Maps to SM_IMMENABLED /// //////Critical - calls a method that performs an elevation. /// TreatAsSafe - data is considered safe to expose. /// internal static bool IsImmEnabled { [SecurityCritical, SecurityTreatAsSafe] get { return (UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_IMMENABLED) != 0); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- HashMembershipCondition.cs
- BamlRecordWriter.cs
- HttpApplicationStateWrapper.cs
- SignedXmlDebugLog.cs
- SqlTrackingWorkflowInstance.cs
- RegistryPermission.cs
- FirstQueryOperator.cs
- Header.cs
- RuntimeConfig.cs
- EntityConnection.cs
- ScrollItemPatternIdentifiers.cs
- QueryReaderSettings.cs
- PathFigureCollectionConverter.cs
- CryptoConfig.cs
- BlurBitmapEffect.cs
- BitmapCodecInfo.cs
- SystemColors.cs
- Symbol.cs
- UITypeEditor.cs
- XmlSchemaException.cs
- SearchExpression.cs
- TemplateContainer.cs
- PropertyIDSet.cs
- SqlCacheDependencySection.cs
- DynamicValueConverter.cs
- HighlightComponent.cs
- TabItem.cs
- ChineseLunisolarCalendar.cs
- InvokeMemberBinder.cs
- TraversalRequest.cs
- GcHandle.cs
- Quaternion.cs
- AddInAttribute.cs
- FormattedTextSymbols.cs
- TreeIterators.cs
- BindingContext.cs
- StructuredTypeInfo.cs
- DoubleCollectionValueSerializer.cs
- ExpandedWrapper.cs
- NullableFloatSumAggregationOperator.cs
- UnsafeNetInfoNativeMethods.cs
- ServiceEndpoint.cs
- DoubleConverter.cs
- DiscoveryDocumentSearchPattern.cs
- GenericPrincipal.cs
- XmlBoundElement.cs
- RegexInterpreter.cs
- DrawListViewItemEventArgs.cs
- LineMetrics.cs
- IntegerValidator.cs
- LocatorPartList.cs
- DesignTimeTemplateParser.cs
- TextControlDesigner.cs
- XPathNodeIterator.cs
- GACMembershipCondition.cs
- Span.cs
- EnumerationRangeValidationUtil.cs
- HttpCacheVary.cs
- UnSafeCharBuffer.cs
- PropertyToken.cs
- CqlLexer.cs
- AddingNewEventArgs.cs
- WebConfigurationHost.cs
- LiteralSubsegment.cs
- TraceSection.cs
- ISCIIEncoding.cs
- CommandHelpers.cs
- ServerIdentity.cs
- listitem.cs
- StringReader.cs
- Bidi.cs
- SplineKeyFrames.cs
- SiteMapNodeItemEventArgs.cs
- SQLMembershipProvider.cs
- DataGridViewSelectedCellCollection.cs
- DiagnosticTrace.cs
- TypeResolvingOptionsAttribute.cs
- Exceptions.cs
- DbTransaction.cs
- StylusButtonCollection.cs
- AllMembershipCondition.cs
- ObjectIDGenerator.cs
- DLinqColumnProvider.cs
- WrapPanel.cs
- DockPanel.cs
- ArglessEventHandlerProxy.cs
- SeverityFilter.cs
- OleDbCommandBuilder.cs
- MailWebEventProvider.cs
- DbConnectionFactory.cs
- BCLDebug.cs
- LoginUtil.cs
- ConnectionsZone.cs
- ProcessThreadDesigner.cs
- FilteredAttributeCollection.cs
- SystemWebExtensionsSectionGroup.cs
- OdbcPermission.cs
- SqlUnionizer.cs
- TextProperties.cs
- ElementMarkupObject.cs