Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / Microsoft / Win32 / UnsafeNativeMethods.cs / 1305376 / UnsafeNativeMethods.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace Microsoft.Win32 { using System.Runtime.InteropServices; using System.Runtime.Versioning; using System; using System.Diagnostics.CodeAnalysis; #if !SILVERLIGHT using System.Threading; using System.Security.Permissions; using System.Collections; using System.IO; using System.Text; using Microsoft.Win32.SafeHandles; using System.Configuration; [HostProtectionAttribute(MayLeakOnAbort = true)] [System.Security.SuppressUnmanagedCodeSecurity] #endif // !SILVERLIGHT internal static class UnsafeNativeMethods { [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.Machine)] public static extern IntPtr GetStdHandle(int type); #if !FEATURE_PAL [DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC); [DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.Machine)] public static extern IntPtr GetDC(IntPtr hWnd); [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "reviewed")] [DllImport(ExternDll.Gdi32, CharSet = System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObject); [DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern int GetSystemMetrics(int nIndex); #if !SILVERLIGHT [DllImport(ExternDll.User32, ExactSpelling=true)] [ResourceExposure(ResourceScope.Process)] public static extern IntPtr GetProcessWindowStation(); [DllImport(ExternDll.User32, SetLastError=true)] [ResourceExposure(ResourceScope.None)] public static extern bool GetUserObjectInformation(HandleRef hObj, int nIndex, [MarshalAs(UnmanagedType.LPStruct)] NativeMethods.USEROBJECTFLAGS pvBuffer, int nLength, ref int lpnLengthNeeded); [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto, BestFitMapping=false)] [ResourceExposure(ResourceScope.Machine)] public static extern IntPtr GetModuleHandle(string modName); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto, BestFitMapping=false)] [ResourceExposure(ResourceScope.None)] public static extern bool GetClassInfo(HandleRef hInst, string lpszClass, [In, Out] NativeMethods.WNDCLASS_I wc); [DllImport(ExternDll.User32, ExactSpelling = true, CharSet = CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool IsWindow(HandleRef hWnd); //SetClassLong won't work correctly for 64-bit: we should use SetClassLongPtr instead. On //32-bit, SetClassLongPtr is just #defined as SetClassLong. SetClassLong really should //take/return int instead of IntPtr/HandleRef, but since we're running this only for 32-bit //it'll be OK. public static IntPtr SetClassLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong) { if (IntPtr.Size == 4) { return SetClassLongPtr32(hWnd, nIndex, dwNewLong); } return SetClassLongPtr64(hWnd, nIndex, dwNewLong); } [DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, EntryPoint = "SetClassLong")] [ResourceExposure(ResourceScope.None)] [SuppressMessage("Microsoft.Portability", "CA1901:PInvokeDeclarationsShouldBePortable")] public static extern IntPtr SetClassLongPtr32(HandleRef hwnd, int nIndex, IntPtr dwNewLong); [SuppressMessage("Microsoft.Interoperability", "CA1400:PInvokeEntryPointsShouldExist")] [DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, EntryPoint = "SetClassLongPtr")] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SetClassLongPtr64(HandleRef hwnd, int nIndex, IntPtr dwNewLong); //SetWindowLong won't work correctly for 64-bit: we should use SetWindowLongPtr instead. On //32-bit, SetWindowLongPtr is just #defined as SetWindowLong. SetWindowLong really should //take/return int instead of IntPtr/HandleRef, but since we're running this only for 32-bit //it'll be OK. public static IntPtr SetWindowLong(HandleRef hWnd, int nIndex, HandleRef dwNewLong) { if (IntPtr.Size == 4) { return SetWindowLongPtr32(hWnd, nIndex, dwNewLong); } return SetWindowLongPtr64(hWnd, nIndex, dwNewLong); } [SuppressMessage("Microsoft.Portability", "CA1901:PInvokeDeclarationsShouldBePortable")] [DllImport(ExternDll.User32, CharSet = CharSet.Auto, EntryPoint = "SetWindowLong")] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SetWindowLongPtr32(HandleRef hWnd, int nIndex, HandleRef dwNewLong); [SuppressMessage("Microsoft.Interoperability", "CA1400:PInvokeEntryPointsShouldExist")] [DllImport(ExternDll.User32, CharSet = CharSet.Auto, EntryPoint = "SetWindowLongPtr")] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SetWindowLongPtr64(HandleRef hWnd, int nIndex, HandleRef dwNewLong); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=false)] [ResourceExposure(ResourceScope.None)] public static extern short RegisterClass(NativeMethods.WNDCLASS wc); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=false)] [ResourceExposure(ResourceScope.None)] public static extern short UnregisterClass(string lpClassName, HandleRef hInstance); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=true)] [ResourceExposure(ResourceScope.Process)] public static extern IntPtr CreateWindowEx(int exStyle, string lpszClassName, string lpszWindowName, int style, int x, int y, int width, int height, HandleRef hWndParent, HandleRef hMenu, HandleRef hInst, [MarshalAs(UnmanagedType.AsAny)] object pvParam); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SendMessage(HandleRef hWnd, int msg, IntPtr wParam, IntPtr lParam); [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.Process)] public static extern bool SetConsoleCtrlHandler(NativeMethods.ConHndlr handler, int add); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern IntPtr DefWindowProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.Process)] public static extern bool DestroyWindow(HandleRef hWnd); [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern int MsgWaitForMultipleObjectsEx(int nCount, IntPtr pHandles, int dwMilliseconds, int dwWakeMask, int dwFlags); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern int DispatchMessage([In] ref NativeMethods.MSG msg); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool PeekMessage([In, Out] ref NativeMethods.MSG msg, HandleRef hwnd, int msgMin, int msgMax, int remove); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern IntPtr SetTimer(HandleRef hWnd, HandleRef nIDEvent, int uElapse, HandleRef lpTimerProc); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool KillTimer(HandleRef hwnd, HandleRef idEvent); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool TranslateMessage([In, Out] ref NativeMethods.MSG msg); [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Ansi, BestFitMapping=false)] [ResourceExposure(ResourceScope.Process)] public static extern IntPtr GetProcAddress(HandleRef hModule, string lpProcName); [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool PostMessage(HandleRef hwnd, int msg, IntPtr wparam, IntPtr lparam); [DllImport(ExternDll.Wtsapi32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool WTSRegisterSessionNotification(HandleRef hWnd, int dwFlags); [DllImport(ExternDll.Wtsapi32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] [ResourceExposure(ResourceScope.None)] public static extern bool WTSUnRegisterSessionNotification(HandleRef hWnd); // File src\services\system\io\unsafenativemethods.cs public const int FILE_READ_DATA = (0x0001), FILE_LIST_DIRECTORY = (0x0001), FILE_WRITE_DATA = (0x0002), FILE_ADD_FILE = (0x0002), FILE_APPEND_DATA = (0x0004), FILE_ADD_SUBDIRECTORY = (0x0004), FILE_CREATE_PIPE_INSTANCE = (0x0004), FILE_READ_EA = (0x0008), FILE_WRITE_EA = (0x0010), FILE_EXECUTE = (0x0020), FILE_TRAVERSE = (0x0020), FILE_DELETE_CHILD = (0x0040), FILE_READ_ATTRIBUTES = (0x0080), FILE_WRITE_ATTRIBUTES = (0x0100), FILE_SHARE_READ = 0x00000001, FILE_SHARE_WRITE = 0x00000002, FILE_SHARE_DELETE = 0x00000004, FILE_ATTRIBUTE_READONLY = 0x00000001, FILE_ATTRIBUTE_HIDDEN = 0x00000002, FILE_ATTRIBUTE_SYSTEM = 0x00000004, FILE_ATTRIBUTE_DIRECTORY = 0x00000010, FILE_ATTRIBUTE_ARCHIVE = 0x00000020, FILE_ATTRIBUTE_NORMAL = 0x00000080, FILE_ATTRIBUTE_TEMPORARY = 0x00000100, FILE_ATTRIBUTE_COMPRESSED = 0x00000800, FILE_ATTRIBUTE_OFFLINE = 0x00001000, FILE_NOTIFY_CHANGE_FILE_NAME = 0x00000001, FILE_NOTIFY_CHANGE_DIR_NAME = 0x00000002, FILE_NOTIFY_CHANGE_ATTRIBUTES = 0x00000004, FILE_NOTIFY_CHANGE_SIZE = 0x00000008, FILE_NOTIFY_CHANGE_LAST_WRITE = 0x00000010, FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x00000020, FILE_NOTIFY_CHANGE_CREATION = 0x00000040, FILE_NOTIFY_CHANGE_SECURITY = 0x00000100, FILE_ACTION_ADDED = 0x00000001, FILE_ACTION_REMOVED = 0x00000002, FILE_ACTION_MODIFIED = 0x00000003, FILE_ACTION_RENAMED_OLD_NAME = 0x00000004, FILE_ACTION_RENAMED_NEW_NAME = 0x00000005, FILE_CASE_SENSITIVE_SEARCH = 0x00000001, FILE_CASE_PRESERVED_NAMES = 0x00000002, FILE_UNICODE_ON_DISK = 0x00000004, FILE_PERSISTENT_ACLS = 0x00000008, FILE_FILE_COMPRESSION = 0x00000010, OPEN_EXISTING = 3, OPEN_ALWAYS = 4, FILE_FLAG_WRITE_THROUGH = unchecked((int)0x80000000), FILE_FLAG_OVERLAPPED = 0x40000000, FILE_FLAG_NO_BUFFERING = 0x20000000, FILE_FLAG_RANDOM_ACCESS = 0x10000000, FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000, FILE_FLAG_DELETE_ON_CLOSE = 0x04000000, FILE_FLAG_BACKUP_SEMANTICS = 0x02000000, FILE_FLAG_POSIX_SEMANTICS = 0x01000000, FILE_TYPE_UNKNOWN = 0x0000, FILE_TYPE_DISK = 0x0001, FILE_TYPE_CHAR = 0x0002, FILE_TYPE_PIPE = 0x0003, FILE_TYPE_REMOTE = unchecked((int)0x8000), FILE_VOLUME_IS_COMPRESSED = 0x00008000; [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "reviewed")] [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.None)] public extern static int LookupAccountSid(string systemName, byte[] pSid, StringBuilder szUserName, ref int userNameSize, StringBuilder szDomainName, ref int domainNameSize, ref int eUse); #endif // !SILVERLIGHT #endif // !FEATURE_PAL #if !SILVERLIGHT public const int GetFileExInfoStandard = 0; [StructLayout(LayoutKind.Sequential)] public struct WIN32_FILE_ATTRIBUTE_DATA { internal int fileAttributes; internal uint ftCreationTimeLow; internal uint ftCreationTimeHigh; internal uint ftLastAccessTimeLow; internal uint ftLastAccessTimeHigh; internal uint ftLastWriteTimeLow; internal uint ftLastWriteTimeHigh; internal uint fileSizeHigh; internal uint fileSizeLow; } #if !FEATURE_PAL // file Windows Forms [DllImport(ExternDll.Version, CharSet=CharSet.Auto, SetLastError=true, BestFitMapping=false)] [ResourceExposure(ResourceScope.Machine)] public static extern int GetFileVersionInfoSize(string lptstrFilename, out int handle); [DllImport(ExternDll.Version, CharSet=CharSet.Auto, BestFitMapping=false)] [ResourceExposure(ResourceScope.Machine)] public static extern bool GetFileVersionInfo(string lptstrFilename, int dwHandle, int dwLen, HandleRef lpData); [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage")] [SuppressMessage("Microsoft.Security", "CA2101:SpecifyMarshalingForPInvokeStringArguments")] [DllImport(ExternDll.Kernel32, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.Machine)] public static extern int GetModuleFileName(HandleRef hModule, StringBuilder buffer, int length); [DllImport(ExternDll.Version, CharSet=CharSet.Auto, BestFitMapping=false)] [ResourceExposure(ResourceScope.Process)] // Review usages to see if versioning problems exist in distant callers public static extern bool VerQueryValue(HandleRef pBlock, string lpSubBlock, [In, Out] ref IntPtr lplpBuffer, out int len); [DllImport(ExternDll.Version, CharSet=CharSet.Auto, BestFitMapping=true)] [ResourceExposure(ResourceScope.None)] public static extern int VerLanguageName( int langID, StringBuilder lpBuffer, int nSize); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.Machine)] public static extern bool ReportEvent(SafeHandle hEventLog, short type, ushort category, uint eventID, byte[] userSID, short numStrings, int dataLen, HandleRef strings, byte[] rawData); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.Machine)] public static extern bool ClearEventLog(SafeHandle hEventLog, HandleRef lpctstrBackupFileName); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.None)] public static extern bool GetNumberOfEventLogRecords(SafeHandle hEventLog, out int count); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.None)] [return: MarshalAs(UnmanagedType.Bool)] [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "[....]: EventLog is protected by EventLogPermission")] public static extern bool GetOldestEventLogRecord(SafeHandle hEventLog, out int number); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.Machine)] [return: MarshalAs(UnmanagedType.Bool)] [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "[....]: EventLog is protected by EventLogPermission")] public static extern bool ReadEventLog(SafeHandle hEventLog, int dwReadFlags, int dwRecordOffset, byte[] buffer, int numberOfBytesToRead, out int bytesRead, out int minNumOfBytesNeeded); [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)] [ResourceExposure(ResourceScope.None)] [return: MarshalAs(UnmanagedType.Bool)] [SuppressMessage("Microsoft.Security", "CA2118:ReviewSuppressUnmanagedCodeSecurityUsage", Justification = "[....]: EventLog is protected by EventLogPermission")] public static extern bool NotifyChangeEventLog(SafeHandle hEventLog, SafeWaitHandle hEvent); [DllImport(ExternDll.Kernel32, EntryPoint="ReadDirectoryChangesW", CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)] [ResourceExposure(ResourceScope.None)] public unsafe static extern bool ReadDirectoryChangesW(SafeFileHandle hDirectory, HandleRef lpBuffer, int nBufferLength, int bWatchSubtree, int dwNotifyFilter, out int lpBytesReturned, NativeOverlapped* overlappedPointer, HandleRef lpCompletionRoutine); //////////////////// Serial Port structs //////////////////// // Declaration for C# representation of Win32 Device Control Block (DCB) // structure. Note that all flag properties are encapsulated in the Flags field here, // and accessed/set through SerialStream's GetDcbFlag(...) and SetDcbFlag(...) methods. internal struct DCB { public uint DCBlength; public uint BaudRate; public uint Flags; public ushort wReserved; public ushort XonLim; public ushort XoffLim; public byte ByteSize; public byte Parity; public byte StopBits; public byte XonChar; public byte XoffChar; public byte ErrorChar; public byte EofChar; public byte EvtChar; public ushort wReserved1; } // Declaration for C# representation of Win32 COMSTAT structure associated with // a file handle to a serial communications resource. SerialStream's // InBufferBytes and OutBufferBytes directly expose cbInQue and cbOutQue to reading, respectively. internal struct COMSTAT { public uint Flags; public uint cbInQue; public uint cbOutQue; } // Declaration for C# representation of Win32 COMMTIMEOUTS // structure associated with a file handle to a serial communications resource. ///Currently the only set fields are ReadTotalTimeoutConstant // and WriteTotalTimeoutConstant. internal struct COMMTIMEOUTS { public int ReadIntervalTimeout; public int ReadTotalTimeoutMultiplier; public int ReadTotalTimeoutConstant; public int WriteTotalTimeoutMultiplier; public int WriteTotalTimeoutConstant; } // Declaration for C# representation of Win32 COMMPROP // structure associated with a file handle to a serial communications resource. // Currently the only fields used are dwMaxTxQueue, dwMaxRxQueue, and dwMaxBaud // to ensure that users provide appropriate settings to the SerialStream constructor. internal struct COMMPROP { public ushort wPacketLength; public ushort wPacketVersion; public int dwServiceMask; public int dwReserved1; public int dwMaxTxQueue; public int dwMaxRxQueue; public int dwMaxBaud; public int dwProvSubType; public int dwProvCapabilities; public int dwSettableParams; public int dwSettableBaud; public ushort wSettableData; public ushort wSettableStopParity; public int dwCurrentTxQueue; public int dwCurrentRxQueue; public int dwProvSpec1; public int dwProvSpec2; public char wcProvChar; } //////////////////// end Serial Port structs //////////////////// //////////////////// Serial Port methods //////////////////// [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto, BestFitMapping=false)] [ResourceExposure(ResourceScope.Machine)] internal static extern SafeFileHandle CreateFile(String lpFileName, int dwDesiredAccess, int dwShareMode, IntPtr securityAttrs, int dwCreationDisposition, int dwFlagsAndAttributes, IntPtr hTemplateFile); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool GetCommState( SafeFileHandle hFile, // handle to communications device ref DCB lpDCB // device-control block ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool SetCommState( SafeFileHandle hFile, // handle to communications device ref DCB lpDCB // device-control block ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool GetCommModemStatus( SafeFileHandle hFile, // handle to communications device ref int lpModemStat // control-register values ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool SetupComm( SafeFileHandle hFile, // handle to communications device int dwInQueue, // size of input buffer int dwOutQueue // size of output buffer ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool SetCommTimeouts( SafeFileHandle hFile, // handle to comm device ref COMMTIMEOUTS lpCommTimeouts // time-out values ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool SetCommBreak( SafeFileHandle hFile // handle to comm device ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool ClearCommBreak( SafeFileHandle hFile // handle to comm device ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool ClearCommError( SafeFileHandle hFile, // handle to comm device ref int lpErrors, ref COMSTAT lpStat ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool ClearCommError( SafeFileHandle hFile, // handle to comm device ref int lpErrors, IntPtr lpStat ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool PurgeComm( SafeFileHandle hFile, // handle to communications resource uint dwFlags // action to perform ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool FlushFileBuffers(SafeFileHandle hFile); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] internal static extern bool GetCommProperties( SafeFileHandle hFile, // handle to comm device ref COMMPROP lpCommProp // communications properties ); // All actual file Read/Write methods, which are declared to be unsafe. [DllImport(ExternDll.Kernel32, SetLastError=true)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern int ReadFile(SafeFileHandle handle, byte* bytes, int numBytesToRead, IntPtr numBytesRead, NativeOverlapped* overlapped); [DllImport(ExternDll.Kernel32, SetLastError=true)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern int ReadFile(SafeFileHandle handle, byte* bytes, int numBytesToRead, out int numBytesRead, IntPtr overlapped); [DllImport(ExternDll.Kernel32 , SetLastError=true)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern int WriteFile(SafeFileHandle handle, byte* bytes, int numBytesToWrite, IntPtr numBytesWritten, NativeOverlapped* lpOverlapped); [DllImport(ExternDll.Kernel32 , SetLastError=true)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern int WriteFile(SafeFileHandle handle, byte* bytes, int numBytesToWrite, out int numBytesWritten, IntPtr lpOverlapped); [DllImport(ExternDll.Kernel32 , SetLastError=true)] [ResourceExposure(ResourceScope.None)] internal static extern int GetFileType( SafeFileHandle hFile // handle to file ); [DllImport(ExternDll.Kernel32 , SetLastError=true)] [ResourceExposure(ResourceScope.None)] internal static extern bool EscapeCommFunction( SafeFileHandle hFile, // handle to communications device int dwFunc // extended function to perform ); [DllImport(ExternDll.Kernel32 , SetLastError=true)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern bool WaitCommEvent( SafeFileHandle hFile, // handle to comm device int* lpEvtMask, // event type NativeOverlapped* lpOverlapped // overlapped structure ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern bool SetCommMask( SafeFileHandle hFile, int dwEvtMask ); [DllImport(ExternDll.Kernel32, SetLastError=true, CharSet=CharSet.Auto)] [ResourceExposure(ResourceScope.None)] unsafe internal static extern bool GetOverlappedResult( SafeFileHandle hFile, NativeOverlapped* lpOverlapped, ref int lpNumberOfBytesTransferred, bool bWait ); //////////////////// end Serial Port methods //////////////////// #endif // !FEATURE_PAL [ComImport, Guid("00000017-0000-0000-c000-000000000046"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)] internal interface IStdMarshal { // just a stub to hold the GUID } [ComImport, Guid("00000003-0000-0000-C000-000000000046"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)] internal interface IMarshal { [PreserveSig] int GetUnmarshalClass( ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out Guid pCid); [PreserveSig] int GetMarshalSizeMax( ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out int pSize); [PreserveSig] int MarshalInterface( [MarshalAs(UnmanagedType.Interface)]object pStm, ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags); [PreserveSig] int UnmarshalInterface( [MarshalAs(UnmanagedType.Interface)]object pStm, ref Guid riid, out IntPtr ppv); [PreserveSig] int ReleaseMarshalData( [MarshalAs(UnmanagedType.Interface)]object pStm); [PreserveSig] int DisconnectObject(int dwReserved); } [DllImport(ExternDll.Ole32)] [ResourceExposure(ResourceScope.None)] internal static extern int CoMarshalInterface( [MarshalAs(UnmanagedType.Interface)]object pStm, ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags ); [DllImport(ExternDll.Ole32)] [ResourceExposure(ResourceScope.None)] internal static extern int CoGetStandardMarshal( ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out IntPtr ppMarshal ); [DllImport(ExternDll.Ole32)] [ResourceExposure(ResourceScope.None)] internal static extern int CoGetMarshalSizeMax( out int pulSize, ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags ); #endif // !SILVERLIGHT } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- SafeProcessHandle.cs
- ActivityMarkupSerializationProvider.cs
- WindowsScrollBar.cs
- Oid.cs
- PerformanceCounterPermissionAttribute.cs
- ProcessHostFactoryHelper.cs
- XmlSchemaSimpleType.cs
- HttpCacheVary.cs
- InfoCardRSAPKCS1SignatureFormatter.cs
- XamlFilter.cs
- IntPtr.cs
- NotifyIcon.cs
- TypeExtensionConverter.cs
- RadioButton.cs
- _ScatterGatherBuffers.cs
- BaseParagraph.cs
- BitmapSourceSafeMILHandle.cs
- EngineSiteSapi.cs
- DataExpression.cs
- XmlnsDictionary.cs
- SelectedCellsChangedEventArgs.cs
- HMACSHA384.cs
- LinqDataSourceSelectEventArgs.cs