常用Win32Api调用…………

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常用Win32Api调用…………

2013年02月08日 ⁄ 综合 ⁄ 共 15537字 ⁄ 字号小中大 ⁄ 评论关闭

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win32api 在使用起来威力很大，可惜用起来不太方便， 我封装几个，请各位测试一下：是否有误 using System; using System.Runtime.InteropServices ; using HANDLE = System.IntPtr; using HWND = System.IntPtr; using HFILE=System.IntPtr; using DWORD=System.UInt32 using LPCTSTR=System.String ; using LPTSTR=System.String ; using LPSTR=System.String ; using BOOL=System.Int32 ; using UINT=System.UInt32 ; namespace WinApi {  /// <summary>  /// Win32Api文件处理  ///
</summary>  public sealed class Win32Api_File  {   public const  uint MAX_PATH=256;   public const  int TRUE=1;   public const  int FALSE=0;   #region 指定文件的标志  public const int   FILE_FLAG_WRITE_THROUGH =  unchecked((int)0x80000000);  public const int   FILE_FLAG_NO_BUFFERING  = unchecked((int)0x20000000);  public const int   FILE_FLAG_RANDOM_ACCESS  
=unchecked((int)0x10000000);  public const int   FILE_FLAG_SEQUENTIAL_SCAN =unchecked((int)0x08000000);  public const int   FILE_FLAG_DELETE_ON_CLOSE =unchecked((int) 0x04000000);  public const int  
FILE_FLAG_BACKUP_SEMANTICS   = unchecked((int) 0x02000000);  public const int   FILE_FLAG_POSIX_SEMANTICS    = unchecked((int) 0x01000000);  public const int   FILE_FLAG_OPEN_REPARSE_POINT =
unchecked((int) 0x00200000);  public const int   FILE_FLAG_OPEN_NO_RECALL     = unchecked((int) 0x00100000);  public const int   FILE_FLAG_FIRST_PIPE_INSTANCE= unchecked((int) 0x00080000);  public
const int   FILE_FLAG_OVERLAPPED =unchecked((int) 0x40000000);//通过结构变量来保存和设置文件   #endregion   #region 指定文件的属性  public const int   FILE_ATTRIBUTE_ARCHIVE =unchecked((int) 0x20);//归档  public
const int   FILE_ATTRIBUTE_COMPRESSED =unchecked((int) 0x800);//  public const int   FILE_ATTRIBUTE_DIRECTORY = unchecked((int)0x10);//目录  public const int   FILE_ATTRIBUTE_HIDDEN = unchecked((int)0x2);//隐藏  public const int   FILE_ATTRIBUTE_NORMAL = unchecked((int)0x80);//正常  public const int   FILE_ATTRIBUTE_READONLY =unchecked((int) 0x1);//只读  public const int   FILE_ATTRIBUTE_SYSTEM = unchecked((int)0x4);//系统文件  public const int   FILE_ATTRIBUTE_TEMPORARY = unchecked((int)0x100);//临时存储文件   #endregion  public const int   INVALID_HANDLE_VALUE =-1;  public const int   INVALID_FILE_SIZE=unchecked((int)0xFFFFFFFF);  public const int   INVALID_SET_FILE_POINTER =-1;  public const int   INVALID_FILE_ATTRIBUTES =-1;  public const int   File_Begin   =     0;  public const int  
File_Current  =       1;  public const int   File_End    =       2;   #region  指定文件的创建方式  public const int   CREATE_NEW     
=    1;  public const int   CREATE_ALWAYS   =    2;  public const int   OPEN_EXISTING   =    3;  public const int   OPEN_ALWAYS    
=    4;  public const int   TRUNCATE_EXISTING =  5;   #endregion   #region  指定文件的存取模式  public const int   GENERIC=0;  public const int   GENERIC_READ=1;  public const int   GENERIC_WRITE=2;   #endregion   #region  指定文件的共享模式   public const int   File_Share_No=0;   public const int   File_Share_Delete=0x3;   public const int   File_Share_Read=0x1;   public const int   File_Share_Write=0x2;   #endregion   public struct OVERLAPPED   {    public int
Internal;    public int InternalHigh;    public int offset;    public int OffsetHigh;    public HANDLE hEvent;   }   /// <summary>   ///
指定文件的安全属性   /// </summary>         public struct SECURITY_ATTRIBUTES          {    public int nLength;    public
int lpSecurityDescriptor;    public int bInheritHandle;           }   /// <summary>   /// Create A New File   /// </summary>   /// <param name="lpFileName">FileName ：end with NULL</param>   /// <param name="dwDesiredAccess">Access Mode</param>   /// <param name="dwShareMode">Share  Mode</param>   /// <param name="lpSec">文件安全属性</param>   /// <param name="dwCreationDisposition">Creat Mode</param>   /// <param name="dwFlagsAndAttributes">其值为=Flags|Attributes</param>   ///
<param name="hTemplateFile">临时文件句柄可以为NULL</param>   /// <returns></returns>  [DllImport("Kernel32.dll") ]      public extern static  System.IntPtr CreateFile(    string
lpFileName,    System.UInt32 dwDesiredAccess,    System.UInt32 dwShareMode,    ref SECURITY_ATTRIBUTES lpSec,    System.UInt32 dwCreationDisposition,    System.UInt32
dwFlagsAndAttributes,    System.IntPtr hTemplateFile    );   /// <summary>   /// 创建一个临时文件   /// </summary>   /// <param name="lpPathName">以NULL结尾的目录路径名</param>   /// <param name="lpPrefixString">临时文件名的前缀字符串（以NULL结尾)</param>   /// <param name="uUnique">为0时将返回一个唯一的整数</param>   /// <param name="lpTempFileName">接受临时文件名的缓冲区</param>   ///
<returns></returns>   [DllImport("Kernel32.dll") ]    public extern static   uint   GetTempFileName(         string lpPathName,     
         string  lpPrefixString ,         uint   uUnique,         ref  string  lpTempFileName);   ///
<summary>   /// 为一个已打开的文件设置文件指针   /// </summary>   /// <param name="hFile">已经打开的文件名柄</param>   /// <param name="lDistanceToMove">文件指针要移动的byte数</param>   ///
<param name="lpDistanceToMoveHigh">。。</param>   /// <param name="dwMoveMethod">移动方式:File_Begin,File_End,File_Current</param>   /// <returns></returns> [DllImport("Kernel32.dll") ]   public
extern  static  uint SetFilePointer(    HANDLE hFile,    int    lDistanceToMove,//number of bytes to move file pointer    ref int lpDistanceToMoveHigh, //point to high_order
dword of distance to move    int dwMoveMethod//how to move    );   /// <summary>   /// Write Data to  File   /// </summary>   /// <param
name="hFile">OpenFile返回的文件句柄</param>   /// <param name="lpBuffer">要写入文件的数据地址</param>
 /// <param name="nNumberOfBytesToWrite">写入多少字节</param>
 /// <param name="lpNumberOfBytesWritten">返回本次调用成功写入的字节数</param>
 /// <param name="lpOverlapped"></param>
 /// <returns></returns>
 [DllImport("Kernel32.dll") ]
 public static extern int WriteFile(HANDLE hFile,
 IntPtr lpBuffer,
 int nNumberOfBytesToWrite,
 ref int lpNumberOfBytesWritten,
 ref OVERLAPPED lpOverlapped);
 /// <summary>
 /// 文件异步读写的回调方法 dwErrorCode==0，则I/O顺利完成
 /// </summary>
 public delegate void FileIOCompletionRoutine(uint dwErrorCode,
 uint lwNumberOfBytesTrancsfer,
 ref OVERLAPPED lpOverlapped);
 [DllImport("kernel32")]
 public static extern int WriteFileEx(HANDLE hFile,
 IntPtr lpBuffer,
 int nNumberOfBytesToWrite,
 ref OVERLAPPED lpOverlapped,
 FileIOCompletionRoutine lpCompletionRoutine);
 [DllImport("kernel32")]
 public static extern int ReadFile(HANDLE hFile,
 IntPtr lpBuffer,
 int nNumberOfBytesToRead,
 ref int lpNumberOfBytesRead,
 ref OVERLAPPED lpOverlapped);
 [DllImport("kernel32")]
 public static extern int ReadFileEx(HANDLE hFile,
 IntPtr lpBuffer,
 int nNumberOfBytesToRead,
 ref OVERLAPPED lpOverlapped,
 FileIOCompletionRoutine lpCompletionRoutine);
 [DllImport("kernel32")]
 public static extern int CopyFile(string lpExistingFileName, string lpNewFileName, int bFailIfExists);
 public delegate uint CopyProgressRoutine(long totalFileSize,
 long totalBytesTransfer,
 long streamSize,
 long streamBytesTransfered,
 uint dwStreamNumber,
 uint dwCallbackReason,
 HANDLE hSourceFile,
 HANDLE hDestinationFile,
 System.IntPtr lpData);
 [DllImport("kernel32")]
 public static extern int CopyFileEx(string lpExistingFileName,
 string lpNewFileName,
 CopyProgressRoutine lpPrgRoutine,
 System.IntPtr lpData,
 ref int pbCancel,
 uint dwCopyFlag);
 [DllImport("kernel32")]
 public static extern int MoveFile(string lpExistingFileName, string lpNewFileName);
 [DllImport("kernel32")]
 public static extern int MoveFileEx(string lpExistingFileName, string lpNewFileName, uint dwFlags);
 [DllImport("kernel32")] public static extern int DeleteFile(string lpFileName);
 [DllImport("kernel32")] public static extern int CloseHandle(HANDLE hFile);
 [DllImport("kernel32")] public static extern uint GetFileSize(HANDLE hFile, ref uint lpFileSizeHigh);
 public const int FILE_TYPE_CHAR = 0x2;
 public const int FILE_TYPE_DISK = 0x1;
 public const int FILE_TYPE_PIPE = 0x3;
 public const int FILE_TYPE_REMOTE = 0x8000;
 public const int FILE_TYPE_UNKNOWN = 0x0;
 /// <summary>
 /// 得到文件类型
 /// </summary>
 /// <param name="hFile"></param>
 /// <returns>返回以下之一： FILE_TYPE_CHAR = 0x2;
 /// FILE_TYPE_DISK = 0x1;
 /// FILE_TYPE_PIPE = 0x3;
 /// FILE_TYPE_REMOTE = 0x8000;
 /// FILE_TYPE_UNKNOWN = 0x0;</returns>
 [DllImport("kernel32")] public static extern uint GetFileType(HANDLE hFile);
 public struct FILETIME
 {
 uint dwLowDateTime;
 uint dwHighDateTime;
 }
 [DllImport("kernel32")] public static extern int SetFileTime(HANDLE hFile, ref FILETIME lpCreationTime, ref FILETIME lpLastAccessTime, ref FILETIME lpLastWriteTime);
 [DllImport("kernel32")] public static extern int GetFileTime(HANDLE hFile, ref FILETIME lpCreationTime, ref FILETIME lpLastAccessTime, ref FILETIME lpLastWriteTime);
 #region 文件格式执行类型
 public const int SCROLLLOCK_ON = 0x40;
 public const int SCS_32BIT_BINARY = 0;
 public const int SCS_DOS_BINARY = 1;
 public const int SCS_OS216_BINARY = 5;
 public const int SCS_PIF_BINARY = 3;
 public const int SCS_POSIX_BINARY = 4;
 public const int SCS_WOW_BINARY = 2;
 #endregion
 [DllImport("kernel32")] public static extern int GetBinaryType(string lpAppName,
 ref uint lpBinaryType);
 [DllImport("kernel32")]
 public static extern DWORD GetFullPathName(
 LPCSTR lpFileName,
 DWORD nBufferLength,
 out LPSTR lpBuffer,
 out LPSTR lpFilePart);
 [DllImport("kernel32")] public static extern int GetShortPathName(string lpszLongPath, string lpszShortPath, uint cchBuffer);
 public struct BY_HANDLE_FILE_INFORMATION
 {
 uint dwFileAttributes;
 FILETIME ftCreationTime;
 FILETIME ftLastAccessTime;
 FILETIME ftLastWriteTime;
 uint dwVolumeSerialNumber;
 uint nFileSizeHigh;
 uint nFileSizeLow;
 uint nNumberOfLinks;
 uint nFileIndexHigh;
 uint nFileIndexLow;
}
 [DllImport("kernel32")]
 public static extern BOOL GetFileInformationByHandle(
 HANDLE hFile,
 out BY_HANDLE_FILE_INFORMATION lpFileInformation );
 [DllImport("kernel32")]
 public static extern BOOL SetEndOfFile(HANDLE file);
 [DllImport("kernel32")]
 public static extern BOOL SetFileAttribute(
 LPCTSTR lpFileName,
 DWORD dwFileAttribute);
 /// <summary>
 /// 返回文件的属性
 /// </summary>
 /// <param name="lpFileName"></param>
 /// <returns>如果返回0xFFFFFFFF返回失败</returns>
 [DllImport("kernel32")]
 public static extern DWORD GetFileAttribute(
 LPCTSTR lpFileName);
 [DllImport("kernel32")]
 public static extern BOOL CreateDirectoryA(
 LPCSTR lpPathName,
 ref SECURITY_ATTRIBUTES lpSecurityAttributes);
 [DllImport("kernel32")]
 public static extern BOOL CreateDirectoryA(
 LPCSTR lpTemplateName,
 LPCSTR lpNewDirectory,
 ref SECURITY_ATTRIBUTES lpSecurityAttributes
 );
 [DllImport("kernel32")]
 public static extern BOOL RemoveDirectory( LPCSTR lpPathName);
 [DllImport("kernel32")]
 public static extern UINT GetSystemDirectory(out LPTSTR lpBuffer, UINT uSize);
 [DllImport("kernel32")]
 public static extern DWORD GetTempPath( DWORD nBufferLength,out LPSTR lpBuffer );
 [DllImport("kernel32")]
 public static extern UINT GetWindowsDirectory(out LPSTR lpBuffer, UINT uSize);
 [DllImport("kernel32")]
 public static extern BOOL SetCurrentDirectory(LPCTSTR lpPathName);
 [DllImport("kernel32")]
 public static extern DWORD GetCurrentDirectory(int nBufferLength, LPTSTR lpBuffer);
 public struct WIN32_FIND_DATA
 {
 public int dwFileAttributes;
 public FILETIME ftCreationTime;
 public FILETIME ftLastAccessTime;
 public FILETIME ftLastWriteTime;
 public int nFileSizeHigh;
 public int nFileSizeLow;
 public int dwReserved0;
 public int dwReserved1;
 [MarshalAs(UnmanagedType.ByValTStr, SizeConst=Win32Api_File.MAX_PATH )]
 public string cFileName;
 [MarshalAs(UnmanagedType.ByValTStr, SizeConst=14)]
 public string cAlternate;
 }
 [DllImport("kernel32")]
 public static extern HANDLE FindFirstFile(LPCTSTR lpFileName,ref WIN32_FIND_DATA lpFindFileData);
 [DllImport("kernel32")]
 public static extern BOOL FindNextFile(HANDLE hFindFile,ref WIN32_FIND_DATA lpFindFileData);
 [DllImport("kernel32")]
 public static extern DWORD SearchPath(LPCTSTR lpPath,
 LPCTSTR lpFileName,
 LPCTSTR lpExtension,
 DWORD nBufferLength,
 LPTSTR lpBuffer,
 ref LPTSTR lpFilePart);
 [DllImport("kernel32")]
 public static extern BOOL FindClose(HANDLE hFindFile);
 [DllImport("kernel32")]
 public static extern BOOL GetDiskFreeSpace(
 LPCTSTR lpRootPathName,
 ref DWORD lpSectorsPerCluster,
 ref DWORD lpbytesPerSector,
 ref DWORD lpNumberOfFreeClusters,
 ref DWORD lpTotalNumberOfCluster);
 [DllImport("kernel32")]
 public static extern BOOL GetDiskFreeSpaceEx(
 LPCTSTR lpDirectoryName,
 ref long lpFreeBytesAalToCaller,
 ref long lpTotalNumberOfBytes,
 ref long lpTotalNumberOfFreeBytes);
public const int DRIVE_UNKNOWN = 0;
public const int DRIVE_NO_ROOT_DIR= 1;
public const int DRIVE_REMOVABLE = 2;
public const int DRIVE_FIXED = 3;
public const int DRIVE_REMOTE = 4;
public const int DRIVE_CDROM = 5;
public const int DRIVE_RAMDISK = 6;
 /// <summary>
 /// 得到磁盘类型
 /// </summary>
 /// <param name="lpRootPathName">可选参数</param>
 /// <returns> 0。。。6</returns>
 [DllImport("kernel32")]
 public static extern UINT GetDriveType(
 LPCSTR lpRootPathName);

  private Win32Api_File()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
}
}

【上篇】vc++ 6.0标准库string类的bug
【下篇】边缘化的GIS——Traditional GIS No Longer Necessary

作者: complicit

该日志由 complicit 于11年前发表在综合分类下，最后更新于 2013年02月08日.
转载请注明: 常用Win32Api调用………… | 学步园 +复制链接

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常用Win32Api调用…………

作者: complicit

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