Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / Media / ColorContextHelper.cs / 1 / ColorContextHelper.cs
//------------------------------------------------------------------------------ // Microsoft Windows Client Platform // Copyright (c) Microsoft Corporation, 2001, 2002, 2003 // // File: ColorContextHelper.cs //----------------------------------------------------------------------------- using System; using System.IO; using System.Runtime.InteropServices; using System.Windows.Media; using System.Windows.Media.Imaging; using MS.Internal; using MS.Win32; using System.Security; using System.Security.Permissions; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using System.Diagnostics; using System.Globalization; using Microsoft.Win32.SafeHandles; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; using UnsafeNativeMethods=MS.Win32.PresentationCore.UnsafeNativeMethods; namespace System.Windows.Media { #region SafeProfileHandle internal class SafeProfileHandle : SafeHandleZeroOrMinusOneIsInvalid { ////// Use this constructor if the handle exists at construction time. /// ////// Critical: The ctor of the base class requires SecurityPermission /// [SecurityCritical] internal SafeProfileHandle() : base(true) { } ////// Use this constructor if the handle exists at construction time. /// ////// Critical: The ctor of the base class requires SecurityPermission /// This code calls SetHandle /// [SecurityCritical] internal SafeProfileHandle(IntPtr profile) : base(true) { SetHandle(profile); } ////// Critical - calls unmanaged code, not treat as safe because you must /// validate that handle is a valid color context handle. /// [SecurityCritical] protected override bool ReleaseHandle() { if (!UnsafeNativeMethods.Mscms.CloseColorProfile(handle)) { HRESULT.Check(Marshal.GetHRForLastWin32Error()); } return true; } } #endregion #region ColorContextHelper ////// Class to call into MSCMS color context APIs /// internal class ColorContextHelper { /// Constructor internal ColorContextHelper() { } /// Opens a color profile ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void OpenColorProfile(IntPtr pProfile) { // No need to get rid of the old handle as it will get GC'ed _profileHandle = UnsafeNativeMethods.Mscms.OpenColorProfile( pProfile, NativeMethods.PROFILE_READ, // DesiredAccess NativeMethods.FILE_SHARE_READ, // ShareMode NativeMethods.OPEN_EXISTING // CreationMode ); if (_profileHandle == null || _profileHandle.IsInvalid) { HRESULT.Check(Marshal.GetHRForLastWin32Error()); } } /// Retrieves the profile header ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void GetColorProfileHeader(IntPtr pHeader) { if (_profileHandle == null || _profileHandle.IsInvalid) { throw new InvalidOperationException(SR.Get(SRID.Image_ColorContextInvalid)); } HRESULT.Check(UnsafeNativeMethods.Mscms.GetColorProfileHeader(_profileHandle, pHeader)); } /// Retrieves the color profile from handle ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void GetColorProfileFromHandle(IntPtr pBuffer, IntPtr pdwSize) { if (_profileHandle == null || _profileHandle.IsInvalid) { throw new InvalidOperationException(SR.Get(SRID.Image_ColorContextInvalid)); } HRESULT.Check(UnsafeNativeMethods.Mscms.GetColorProfileFromHandle(_profileHandle, pBuffer, pdwSize)); } ////// Critical - Accesses critical resource _profileHandle /// TreatAsSafe - No inputs and just checks if SafeHandle is valid or not. /// internal bool IsInvalid { [SecurityCritical, SecurityTreatAsSafe] get { return (_profileHandle == null || _profileHandle.IsInvalid); } } ////// ProfileHandle /// ////// SecurityCritical: This comes out of an elevation needs to be critical and tracked. /// internal SafeProfileHandle ProfileHandle { [SecurityCritical] get { return _profileHandle; } } #region Data members ////// SecurityCritical: This comes out of an elevation needs to be critical and tracked. /// [SecurityCritical] SafeProfileHandle _profileHandle; #endregion } #endregion } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Windows Client Platform // Copyright (c) Microsoft Corporation, 2001, 2002, 2003 // // File: ColorContextHelper.cs //----------------------------------------------------------------------------- using System; using System.IO; using System.Runtime.InteropServices; using System.Windows.Media; using System.Windows.Media.Imaging; using MS.Internal; using MS.Win32; using System.Security; using System.Security.Permissions; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using System.Diagnostics; using System.Globalization; using Microsoft.Win32.SafeHandles; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; using UnsafeNativeMethods=MS.Win32.PresentationCore.UnsafeNativeMethods; namespace System.Windows.Media { #region SafeProfileHandle internal class SafeProfileHandle : SafeHandleZeroOrMinusOneIsInvalid { ////// Use this constructor if the handle exists at construction time. /// ////// Critical: The ctor of the base class requires SecurityPermission /// [SecurityCritical] internal SafeProfileHandle() : base(true) { } ////// Use this constructor if the handle exists at construction time. /// ////// Critical: The ctor of the base class requires SecurityPermission /// This code calls SetHandle /// [SecurityCritical] internal SafeProfileHandle(IntPtr profile) : base(true) { SetHandle(profile); } ////// Critical - calls unmanaged code, not treat as safe because you must /// validate that handle is a valid color context handle. /// [SecurityCritical] protected override bool ReleaseHandle() { if (!UnsafeNativeMethods.Mscms.CloseColorProfile(handle)) { HRESULT.Check(Marshal.GetHRForLastWin32Error()); } return true; } } #endregion #region ColorContextHelper ////// Class to call into MSCMS color context APIs /// internal class ColorContextHelper { /// Constructor internal ColorContextHelper() { } /// Opens a color profile ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void OpenColorProfile(IntPtr pProfile) { // No need to get rid of the old handle as it will get GC'ed _profileHandle = UnsafeNativeMethods.Mscms.OpenColorProfile( pProfile, NativeMethods.PROFILE_READ, // DesiredAccess NativeMethods.FILE_SHARE_READ, // ShareMode NativeMethods.OPEN_EXISTING // CreationMode ); if (_profileHandle == null || _profileHandle.IsInvalid) { HRESULT.Check(Marshal.GetHRForLastWin32Error()); } } /// Retrieves the profile header ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void GetColorProfileHeader(IntPtr pHeader) { if (_profileHandle == null || _profileHandle.IsInvalid) { throw new InvalidOperationException(SR.Get(SRID.Image_ColorContextInvalid)); } HRESULT.Check(UnsafeNativeMethods.Mscms.GetColorProfileHeader(_profileHandle, pHeader)); } /// Retrieves the color profile from handle ////// SecurityCritical: Calls unmanaged code, accepts InPtr/unverified data. /// [SecurityCritical] internal void GetColorProfileFromHandle(IntPtr pBuffer, IntPtr pdwSize) { if (_profileHandle == null || _profileHandle.IsInvalid) { throw new InvalidOperationException(SR.Get(SRID.Image_ColorContextInvalid)); } HRESULT.Check(UnsafeNativeMethods.Mscms.GetColorProfileFromHandle(_profileHandle, pBuffer, pdwSize)); } ////// Critical - Accesses critical resource _profileHandle /// TreatAsSafe - No inputs and just checks if SafeHandle is valid or not. /// internal bool IsInvalid { [SecurityCritical, SecurityTreatAsSafe] get { return (_profileHandle == null || _profileHandle.IsInvalid); } } ////// ProfileHandle /// ////// SecurityCritical: This comes out of an elevation needs to be critical and tracked. /// internal SafeProfileHandle ProfileHandle { [SecurityCritical] get { return _profileHandle; } } #region Data members ////// SecurityCritical: This comes out of an elevation needs to be critical and tracked. /// [SecurityCritical] SafeProfileHandle _profileHandle; #endregion } #endregion } // 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
- CacheRequest.cs
- ToolStripHighContrastRenderer.cs
- LocalFileSettingsProvider.cs
- TextContainer.cs
- GPPOINTF.cs
- GuidConverter.cs
- RoleGroup.cs
- MessageDesigner.cs
- SubstitutionDesigner.cs
- ToolTipAutomationPeer.cs
- GroupPartitionExpr.cs
- PipeStream.cs
- WsdlBuildProvider.cs
- ObjectQuery_EntitySqlExtensions.cs
- LayoutSettings.cs
- XmlDataCollection.cs
- ZoneMembershipCondition.cs
- HtmlInputRadioButton.cs
- SplitterDesigner.cs
- TableColumn.cs
- Cursors.cs
- InternalCache.cs
- PerfCounters.cs
- HttpModulesSection.cs
- GeneralTransform3D.cs
- Propagator.JoinPropagator.cs
- TimeEnumHelper.cs
- StorageConditionPropertyMapping.cs
- TextCompositionEventArgs.cs
- SystemNetHelpers.cs
- FileChangesMonitor.cs
- Rect3D.cs
- ClientTargetCollection.cs
- XsdBuildProvider.cs
- FormViewPagerRow.cs
- Bidi.cs
- XmlILConstructAnalyzer.cs
- InvalidWMPVersionException.cs
- XmlTypeMapping.cs
- ComponentManagerBroker.cs
- HandoffBehavior.cs
- SafeRightsManagementQueryHandle.cs
- DBAsyncResult.cs
- TextCollapsingProperties.cs
- DockingAttribute.cs
- LayoutUtils.cs
- ObjectKeyFrameCollection.cs
- FtpRequestCacheValidator.cs
- ScriptControl.cs
- WindowsScrollBar.cs
- Style.cs
- StandardCommands.cs
- LookupNode.cs
- SafeUserTokenHandle.cs
- PeerNameRegistration.cs
- GlobalProxySelection.cs
- CheckBoxList.cs
- XmlConvert.cs
- PeerFlooder.cs
- Unit.cs
- HttpModule.cs
- ConvertEvent.cs
- NominalTypeEliminator.cs
- AutomationPropertyInfo.cs
- SizeConverter.cs
- _SslState.cs
- ToolStripItemTextRenderEventArgs.cs
- mansign.cs
- ActivationServices.cs
- ContextStack.cs
- KeyPressEvent.cs
- DbDataAdapter.cs
- Enum.cs
- DropDownList.cs
- DesignerCapabilities.cs
- infer.cs
- Rotation3DAnimationBase.cs
- StatusBarAutomationPeer.cs
- SmiEventSink.cs
- Array.cs
- ToolBarPanel.cs
- X509Utils.cs
- ImportContext.cs
- Math.cs
- TableRowGroup.cs
- TranslateTransform3D.cs
- FillErrorEventArgs.cs
- OperationCanceledException.cs
- DataGridViewHeaderCell.cs
- Run.cs
- ADMembershipProvider.cs
- CqlLexer.cs
- AttachedPropertyBrowsableWhenAttributePresentAttribute.cs
- ComplexPropertyEntry.cs
- TextEditor.cs
- SplitterCancelEvent.cs
- SqlWriter.cs
- BaseCodeDomTreeGenerator.cs
- QueryStatement.cs
- Rotation3DAnimationBase.cs