/// <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(
Resources.ErrorCreatingFileHandle,
lastWin32Error,
filePath,
CheckAddDotEnd(new Win32Exception(lastWin32Error).Message)));
}
// Pass the file handle to FileStream. FileStream will close the handle.
return(fileHandle);
}
