protected override void InnerBegin()
{
retry:
// we have a ongoing current transaction, join it!
if (System.Transactions.Transaction.Current != null)
{
var ktx = TransactionInterop.GetDtcTransaction(System.Transactions.Transaction.Current)
as IKernelTransaction;
// check for race-condition.
if (ktx == null)
goto retry;
SafeTxHandle handle;
ktx.GetHandle(out handle);
// even though _TransactionHandle can already contain a handle if this thread
// had been yielded just before setting this reference, the "safe"-ness of the wrapper should
// not dispose the other handle which is now removed
_TransactionHandle = handle; // see the link in the remarks to the class for more details about async exceptions
IsAmbient = true;
}
else _TransactionHandle = createTransaction(string.Format("{0} Transaction", _TheName));
if (!_TransactionHandle.IsInvalid) return;
throw new TransactionException(
"Cannot begin file transaction because we got a null pointer back from CreateTransaction.",
LastEx());
}
private static extern SafeFindHandle FindFirstFileTransactedW(
[In, MarshalAs(UnmanagedType.LPWStr)] string lpFileName,
[In] FINDEX_INFO_LEVELS fInfoLevelId, // TODO: Won't work.
[Out] out WIN32_FIND_DATA lpFindFileData,
[In] FINDEX_SEARCH_OPS fSearchOp,
IntPtr lpSearchFilter,
[In] uint dwAdditionalFlags,
[In] SafeTxHandle hTransaction);
private static extern SafeFileHandle CreateFileTransactedW(
[In, MarshalAs(UnmanagedType.LPWStr)] string lpFileName,
[In] NativeFileAccess dwDesiredAccess,
[In] NativeFileShare dwShareMode,
[In] IntPtr lpSecurityAttributes,
[In] NativeFileMode dwCreationDisposition,
[In] uint dwFlagsAndAttributes,
[In] IntPtr hTemplateFile,
[In] SafeTxHandle hTransaction,
[In] IntPtr pusMiniVersion,
[In] IntPtr pExtendedParameter);
protected override void InnerBegin()
{
retry:
// we have a ongoing current transaction, join it!
if (System.Transactions.Transaction.Current != null)
{
var ktx = TransactionInterop.GetDtcTransaction(System.Transactions.Transaction.Current)
as IKernelTransaction;
// check for race-condition.
if (ktx == null)
{
goto retry;
}
SafeTxHandle handle;
ktx.GetHandle(out handle);
// even though _TransactionHandle can already contain a handle if this thread
// had been yielded just before setting this reference, the "safe"-ness of the wrapper should
// not dispose the other handle which is now removed
_TransactionHandle = handle; // see the link in the remarks to the class for more details about async exceptions
IsAmbient = true;
}
else
{
_TransactionHandle = createTransaction(string.Format("{0} Transaction", theName));
}
if (!_TransactionHandle.IsInvalid)
{
return;
}
throw new TransactionException(
"Cannot begin file transaction because we got a null pointer back from CreateTransaction.",
LastEx());
}
private static extern bool DeleteFileTransactedW( [MarshalAs(UnmanagedType.LPWStr)] string file, SafeTxHandle transaction);
private static extern bool RollbackTransaction(SafeTxHandle transaction);
private static extern bool CommitTransaction(SafeTxHandle transaction);
private static extern bool RemoveDirectoryTransactedW(
[MarshalAs(UnmanagedType.LPWStr)] string lpPathName,
SafeTxHandle hTransaction);
private static extern bool CreateDirectoryTransactedW(
[MarshalAs(UnmanagedType.LPWStr)] string lpTemplateDirectory,
[MarshalAs(UnmanagedType.LPWStr)] string lpNewDirectory,
IntPtr lpSecurityAttributes,
SafeTxHandle hTransaction);
private static extern bool DeleteFileTransactedW(
[MarshalAs(UnmanagedType.LPWStr)] string file,
SafeTxHandle transaction);
private static extern bool MoveFileTransacted([In] string lpExistingFileName,
[In] string lpNewFileName, [In] IntPtr lpProgressRoutine,
[In] IntPtr lpData,
[In] MoveFileFlags dwFlags,
[In] SafeTxHandle hTransaction);
private static extern bool CreateHardLinkTransacted([In] string lpFileName,
[In] string lpExistingFileName,
[In] IntPtr lpSecurityAttributes,
[In] SafeTxHandle hTransaction);
private static extern bool RollbackTransaction(SafeTxHandle transaction);
private static extern bool CommitTransaction(SafeTxHandle transaction);
private static extern bool CreateDirectoryTransactedW( [MarshalAs(UnmanagedType.LPWStr)] string lpTemplateDirectory, [MarshalAs(UnmanagedType.LPWStr)] string lpNewDirectory, IntPtr lpSecurityAttributes, SafeTxHandle hTransaction);
private static extern bool RemoveDirectoryTransactedW( [MarshalAs(UnmanagedType.LPWStr)] string lpPathName, SafeTxHandle hTransaction);
private static extern int GetFullPathNameTransactedW(
[In, MarshalAs(UnmanagedType.LPWStr)] string lpFileName,
[In] int nBufferLength,
[Out] StringBuilder lpBuffer,
[In, Out] ref IntPtr lpFilePart,
[In] SafeTxHandle hTransaction);
