private ChangeItemAction DeleteError(IVirtualItem item, AvailableItemActions available, Exception error)
{
ChangeItemAction none = ChangeItemAction.None;
if (this.OnDeleteError != null)
{
ChangeItemErrorEventArgs e = new ChangeItemErrorEventArgs(item, available, error);
this.OnDeleteError(this, e);
none = e.Action;
}
return none;
}
private ChangeItemAction ItemError(EventHandler<ChangeItemErrorEventArgs> handler, IVirtualItem item, AvailableItemActions available, Exception error)
{
ChangeItemAction none = ChangeItemAction.None;
if (handler != null)
{
ChangeItemErrorEventArgs e = new ChangeItemErrorEventArgs(item, available, error);
handler(this, e);
none = e.Action;
}
return none;
}
protected bool TryAutoElevate(ChangeItemErrorEventArgs e)
{
if (((e.Error is UnauthorizedAccessException) && e.CanElevate) && (this.AutoElevateProcess != null))
{
IElevatable item = e.Item as IElevatable;
if (((item != null) && item.CanElevate) && item.Elevate(this.AutoElevateProcess))
{
return true;
}
e.CanElevate = false;
}
return false;
}
private void SyncronizedItemError(object sender, ChangeItemErrorEventArgs e)
{
this.ChangeProgressState(ProgressState.Error);
MessageDialogResult result = this.ProcessUnauthorizedAccessException(e);
switch (result)
{
case MessageDialogResult.None:
{
MessageDialogResult[] buttons = e.CanRetry ? ButtonsRetrySkipCancel : ButtonsSkipCancel;
MessageDialogResult defaultButton = e.CanRetry ? MessageDialogResult.Retry : MessageDialogResult.Skip;
result = MessageDialog.Show(this, e.Error.Message, this.ItemErrorCaption, buttons, MessageBoxIcon.Hand, defaultButton);
break;
}
case MessageDialogResult.SkipAll:
if (this.DefaultErrorAction == null)
{
this.DefaultErrorAction = new Dictionary<System.Type, ChangeItemAction>();
}
this.DefaultErrorAction.Add(e.Error.GetType(), ChangeItemAction.Skip);
e.Action = ChangeItemAction.Skip;
goto Label_00AF;
}
e.FromMessageDialogResult(result);
Label_00AF:
if (e.Action != ChangeItemAction.Cancel)
{
this.ChangeProgressState(ProgressState.Normal);
}
}
protected MessageDialogResult ProcessUnauthorizedAccessException(ChangeItemErrorEventArgs e)
{
MessageDialogResult none = MessageDialogResult.None;
if ((e.Error is UnauthorizedAccessException) && e.CanElevate)
{
IElevatable item = e.Item as IElevatable;
if ((item == null) || !item.CanElevate)
{
return none;
}
bool checkBoxChecked = true;
none = MessageDialog.Show(this, string.Format(Resources.sAskElevateOperationPermissions, e.Item.FullName), Resources.sWarning, Resources.sDoThisForAll, ref checkBoxChecked, new MessageDialogResult[] { MessageDialogResult.Shield, MessageDialogResult.Skip, MessageDialogResult.Cancel }, MessageBoxIcon.Exclamation, MessageDialogResult.Shield);
if (none == MessageDialogResult.Shield)
{
if (checkBoxChecked)
{
this.AutoElevateProcess = new ElevatedProcess(true, TimeSpan.FromSeconds(9.0));
}
if (item.Elevate(this.AutoElevateProcess ?? new ElevatedProcess()))
{
return MessageDialogResult.Retry;
}
if (this.AutoElevateProcess != null)
{
this.AutoElevateProcess.Shutdown();
}
this.AutoElevateProcess = null;
return MessageDialogResult.None;
}
if ((none == MessageDialogResult.Retry) && checkBoxChecked)
{
none = MessageDialogResult.SkipAll;
}
}
return none;
}
protected void ItemError(object sender, ChangeItemErrorEventArgs e)
{
ChangeItemAction action;
if ((this.DefaultErrorAction != null) && this.DefaultErrorAction.TryGetValue(e.Error.GetType(), out action))
{
e.Action = action;
}
else if (this.TryAutoElevate(e))
{
e.Action = ChangeItemAction.Retry;
}
else
{
this.WorkerTrace.TraceException(TraceEventType.Error, e.Error);
if (base.InvokeRequired)
{
base.Invoke(new EventHandler<ChangeItemErrorEventArgs>(this.SyncronizedItemError), new object[] { sender, e });
}
else
{
this.SyncronizedItemError(sender, e);
}
}
}
private void SyncronizedMoveItemError(object sender, ChangeItemErrorEventArgs e)
{
this.ChangeProgressState(ProgressState.Error);
MessageDialogResult result = base.ProcessUnauthorizedAccessException(e);
if (result == MessageDialogResult.None)
{
result = MessageDialog.Show(this, e.Error.Message, Resources.sCaptionErrorMovingFile, MessageDialog.ButtonsRetrySkipCancel, MessageBoxIcon.Hand, MessageDialogResult.Retry);
}
e.FromMessageDialogResult(result);
if (e.Action != ChangeItemAction.Cancel)
{
this.ChangeProgressState(ProgressState.Normal);
}
}
private void MoveItemError(object sender, ChangeItemErrorEventArgs e)
{
if (base.TryAutoElevate(e))
{
e.Action = ChangeItemAction.Retry;
}
else
{
base.WorkerTrace.TraceException(TraceEventType.Error, e.Error);
if (base.InvokeRequired)
{
base.Invoke(new EventHandler<ChangeItemErrorEventArgs>(this.SyncronizedMoveItemError), new object[] { sender, e });
}
else
{
this.SyncronizedMoveItemError(sender, e);
}
}
}
