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static extern bool CopyFileEx(string lpExistingFileName,

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      CopyFileFlags dwCopyFlags););

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Documentation

[CopyFileEx] on MSDN

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public const int FSCTL_SIS_COPYFILE = 0x00090100;

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        public const int COMADMIN_E_CANTCOPYFILE = (int)(0x8011040D - 0x100000000);

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Summary

Flags for CopyFileEx.

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enum CopyFileFlags : uint

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Documentation

[CopyFileFlags] on MSDN

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    public const int COMADMIN_E_CANTCOPYFILE = unchecked((int)0x8011040D);

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    Public Const COMADMIN_E_CANTCOPYFILE As Integer = CInt(&H8011040dUI)

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static extern bool CopyFileEx(string lpExistingFileName, string lpNewFileName,

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   CopyFileFlags dwCopyFlags);

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Private Declare Auto Function CopyFileEx Lib "kernel32.dll" (ByVal lpExistingFileName As String, _

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     ByVal dwCopyFlags As CopyFileFlags) As <MarshalAs(UnmanagedType.Bool)> Boolean

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CopyProgressRoutine, CopyFileFlags

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    static extern bool CopyFileEx(string lpExistingFileName, string lpNewFileName,

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       CopyFileFlags dwCopyFlags);

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    enum CopyFileFlags : uint

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        CopyFileEx(oldFile, newFile, new CopyProgressRoutine(this.CopyProgressHandler), IntPtr.Zero, ref pbCancel, CopyFileFlags.COPY_FILE_RESTARTABLE);

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    Public Class CopyFile_Ex

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    Private Declare Auto Function CopyFileEx Lib "kernel32.dll" (ByVal lpExistingFileName As String, _

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        ByVal dwCopyFlags As CopyFileFlags) As <MarshalAs(UnmanagedType.Bool)> Boolean

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    Private Enum CopyFileFlags As UInteger

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        CopyFileEx(sourcePath, destPath, New CopyProgressRoutine(AddressOf CopyProgressHandler), IntPtr.Zero, pbCancel, CopyFileFlags.COPY_FILE_OPEN_SOURCE_FOR_WRITE)

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        CopyFileEx(sourcePath, destPath, New CopyProgressRoutine(AddressOf CopyProgressHandler), IntPtr.Zero, pbCancel, CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS)

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Documentation

[CopyFileEx] on MSDN

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static extern bool CopyFileEx(string lpExistingFileName, string lpNewFileName,

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   CopyFileFlags dwCopyFlags);

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Private Declare Auto Function CopyFileEx Lib "kernel32.dll" (ByVal lpExistingFileName As String, _

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     ByVal dwCopyFlags As CopyFileFlags) As <MarshalAs(UnmanagedType.Bool)> Boolean

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CopyProgressRoutine, CopyFileFlags

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    static extern bool CopyFileEx(string lpExistingFileName, string lpNewFileName,

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       CopyFileFlags dwCopyFlags);

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    enum CopyFileFlags : uint

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        CopyFileEx(oldFile, newFile, new CopyProgressRoutine(this.CopyProgressHandler), IntPtr.Zero, ref pbCancel, CopyFileFlags.COPY_FILE_RESTARTABLE);

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    Public Class CopyFile_Ex

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    Private Declare Auto Function CopyFileEx Lib "kernel32.dll" (ByVal lpExistingFileName As String, _

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        ByVal dwCopyFlags As CopyFileFlags) As <MarshalAs(UnmanagedType.Bool)> Boolean

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    Private Enum CopyFileFlags As UInteger

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        CopyFileEx(sourcePath, destPath, New CopyProgressRoutine(AddressOf CopyProgressHandler), IntPtr.Zero, pbCancel, CopyFileFlags.COPY_FILE_OPEN_SOURCE_FOR_WRITE)

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        CopyFileEx(sourcePath, destPath, New CopyProgressRoutine(AddressOf CopyProgressHandler), IntPtr.Zero, pbCancel, CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS)

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Documentation

[CopyFileEx] on MSDN

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     FsctlSisCopyFile = (EFileDevice.FileSystem << 16) | (64 << 2) | EMethod.Buffered | (0 << 14),

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    CopyFileEx(oldFile, newFile, new CopyProgressRoutine(this.CopyProgressHandler), IntPtr.Zero, MoveFileFlags .MOVE_FILE_REPLACE_EXISTSING|MoveFileFlags.MOVE_FILE_WRITE_THROUGH|MoveFileFlags.MOVE_FILE_COPY_ALLOWED);

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    CopyFileEx(oldFile, newFile, new CopyProgressRoutine(this.CopyProgressHandler), IntPtr.Zero, MoveFileFlags .MOVE_FILE_REPLACE_EXISTSING|MoveFileFlags.MOVE_FILE_WRITE_THROUGH|MoveFileFlags.MOVE_FILE_COPY_ALLOWED);

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public static extern bool CeCopyFile(

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CeCopyFile("\\test.txt", "\\test2.txt", false);

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Documentation

[CeCopyFile] on MSDN

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在这个例子中，我并没有进行文件操作，只是简单的显示一个消息框，实际应用时，需要使用MoveFile和CopyFile函数来完成，本文不做讨论。

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Summary

Delegate called back by CopyFileEx and MoveFileWithProgress.