public static void CopyFile(FileInfo source, FileInfo destination,
Statements.FileCopyOptions options, CopyFileHandler callback, object state)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (destination == null)
{
throw new ArgumentNullException("destination");
}
new FileIOPermission(FileIOPermissionAccess.Read, source.FullName).Demand();
new FileIOPermission(FileIOPermissionAccess.Write, destination.FullName).Demand();
CopyProgressRoutine cpr = (callback == null) ? null : new CopyProgressRoutine(
new CopyProgressData(source, destination, callback, state).CallbackHandler);
bool cancel = false;
if (!NativeMethod.CopyFileEx(source.FullName, destination.FullName, cpr, IntPtr.Zero, ref cancel, (int)options))
{
throw new IOException(new Win32Exception().Message);
}
}
public bool Resume(Bookmark bookmark, FileInfo source, FileInfo destination, Statements.FileCopyOptions options, int stepIncrement)
{
var context = new CopyFileContext(stepIncrement)
{
Instance = this,
Bookmark = bookmark,
Action = CopyFileAction.Continue
};
if (contexts.TryAdd(bookmark.Name, context))
{
var action = new Action(() => ExecuteCopyFile(context, source, destination, options));
action.BeginInvoke((a) =>
{
try { action.EndInvoke(a); }
catch (Exception ex) { ((CopyFileContext)a.AsyncState).Exception = ex; }
finally { ((CopyFileContext)a.AsyncState).NotifyCompletion(); }
}, context);
return(true);
}
return(false);
}
public static void CopyFile(FileInfo source, FileInfo destination,
Statements.FileCopyOptions options, CopyFileHandler callback)
{
CopyFile(source, destination, options, callback, null);
}
public static void CopyFile(FileInfo source, FileInfo destination, Statements.FileCopyOptions options)
{
CopyFile(source, destination, options, null);
}
private void ExecuteCopyFile(CopyFileContext context, FileInfo source, FileInfo destination, Statements.FileCopyOptions options)
{
FileCopyHelper.CopyFile(source, destination, options,
new CopyFileHandler((s, t, st, sz, tr) => ((CopyFileContext)st).HandleProgress(s, t, sz, tr)), context);
}
