/// <summary>
/// Don't use semaphore
/// </summary>
/// <param name="undo"></param>
/// <param name="redo"></param>
public UndoRedoNoParametersCommand NewCommand(string name, Action undo, Action redo)
{
var command = new UndoRedoNoParametersCommand(undo, redo, Guid.NewGuid().ToString(), name);
////UndoRedoDropoutStack.LastCommandAdded = command;
_UndoCommands.Push(command);
_RedoCommands.Clear();
return(command);
}
/// <summary>
/// Use semaphore.WaitAsync
/// </summary>
/// <param name="undo"></param>
/// <param name="redo"></param>
public async Task <UndoRedoNoParametersCommand> NewAsyncCommandAsync(string name, Func <Task> undo, Func <Task> redo)
{
var token = _CTS.Token;
await _Semaphore.WaitAsync();
if (token.IsCancellationRequested)
{
return(null);
}
var command = new UndoRedoNoParametersCommand(undo, redo, Guid.NewGuid().ToString(), name);
//UndoRedoDropoutStack.LastCommandAdded = command;
if (token.IsCancellationRequested)
{
return(null);
}
_UndoCommands.Push(command);
_RedoCommands.Clear();
_Semaphore.Release();
return(command);
}
