/// <summary>
/// Pass the file handle to the <see cref="System.IO.FileStream"/> constructor.
/// The <see cref="System.IO.FileStream"/> will close the handle.
/// </summary>
public SafeFileHandle CreateHandle(
CreationDisposition creationDisposition,
FileAccess fileAccess,
FileShare fileShare)
{
return(ZlpIOHelper.CreateFileHandle(_path, creationDisposition, fileAccess, fileShare));
}
/// <summary>
/// Pass the file handle to the <see cref="System.IO.FileStream"/> constructor.
/// The <see cref="System.IO.FileStream"/> will close the handle.
/// </summary>
public SafeFileHandle CreateHandle(
CreationDisposition creationDisposition,
FileAccess fileAccess,
FileShare fileShare)
{
return ZlpIOHelper.CreateFileHandle(FullName, creationDisposition, fileAccess, fileShare);
}
/// <summary>
/// Pass the file handle to the <see cref="System.IO.FileStream"/> constructor.
/// The <see cref="System.IO.FileStream"/> will close the handle.
/// </summary>
public static SafeFileHandle CreateFileHandle(
string filePath,
CreationDisposition creationDisposition,
FileAccess fileAccess,
FileShare fileShare)
{
filePath = CheckAddLongPathPrefix(filePath);
// Create a file with generic write access
var fileHandle =
PInvokeHelper.CreateFile(
filePath,
fileAccess,
fileShare,
IntPtr.Zero,
creationDisposition,
0,
IntPtr.Zero);
// Check for errors.
var lastWin32Error = Marshal.GetLastWin32Error();
if (fileHandle.IsInvalid)
{
throw new Win32Exception(
lastWin32Error,
string.Format(
"Error {0} creating file handle for file path '{1}': {2}",
lastWin32Error,
filePath,
CheckAddDotEnd(new Win32Exception(lastWin32Error).Message)));
}
// Pass the file handle to FileStream. FileStream will close the handle.
return fileHandle;
}
/// <summary>
/// Pass the file handle to the <see cref="System.IO.FileStream"/> constructor.
/// The <see cref="System.IO.FileStream"/> will close the handle.
/// </summary>
public static SafeFileHandle CreateFileHandle(
string filePath,
CreationDisposition creationDisposition,
FileAccess fileAccess,
FileShare fileShare)
{
filePath = CheckAddLongPathPrefix(filePath);
// Create a file with generic write access
var fileHandle =
PInvokeHelper.CreateFile(
filePath,
fileAccess,
fileShare,
IntPtr.Zero,
creationDisposition,
// Fix by Richard, 2015-04-14.
// See https://msdn.microsoft.com/en-us/library/aa363858(VS.85).aspx#DIRECTORIES,
// See http://stackoverflow.com/q/4998814/107625
FileAttributes.BackupSemantics,
IntPtr.Zero);
// Check for errors.
var lastWin32Error = Marshal.GetLastWin32Error();
if (fileHandle.IsInvalid)
{
throw new Win32Exception(
lastWin32Error,
string.Format(
Resources.ErrorCreatingFileHandle,
lastWin32Error,
filePath,
CheckAddDotEnd(new Win32Exception(lastWin32Error).Message)));
}
// Pass the file handle to FileStream. FileStream will close the handle.
return fileHandle;
}
