/// <summary>
/// Don't use semaphore. If commands have correct RedoAction, does RedoAction. Else do Task.Run(AsyncRedoAction)
/// </summary>
/// <param name="lastCommand"></param>
public void RedoCommandsUntil(aUndoRedoCommandBase lastCommand)
{
aUndoRedoCommandBase currentCommand;
while ((currentCommand = RedoNextAndReturnCommand()) != null && !currentCommand.Equals(lastCommand))
{
;
}
}
/// <summary>
/// Use semaphore.WaitAsync. If command has correct AsyncUndoAction, does AsyncUndoAction. Else do Task.Run(UndoAction)
/// </summary>
/// <param name="lastCommand"></param>
/// <returns></returns>
public async Task UndoCommandsUntilAsync(aUndoRedoCommandBase lastCommand)
{
aUndoRedoCommandBase currentCommand;
var token = _CTS.Token;
while ((currentCommand = await UndoNextAndReturnCommandAsync()) != null && !currentCommand.Equals(lastCommand))
{
if (token.IsCancellationRequested)
{
return;
}
}
}
/// <summary>
/// Don't use semaphore. If commands have correct UndoAction, does UndoAction. Else do Task.Run(AsyncUndoAction)
/// </summary>
/// <param name="lastCommand"></param>
public void UndoCommandsUntil(aUndoRedoCommandBase lastCommand)
{
aUndoRedoCommandBase currentCommand;
while (true)
{
currentCommand = UndoNextAndReturnCommand();
if (currentCommand == null || currentCommand.Equals(lastCommand))
{
break;
}
}
//do
//{
// currentCommand = UndoNextAndReturnCommand();
//}
//while (currentCommand != null && !currentCommand.Equals(lastCommand));
//while ((currentCommand = UndoNextAndReturnCommand()) != null && !currentCommand.Equals(lastCommand)) ;
}