public bool RemoveTask(TaskInfo ti)
{
if (TaskInfos.Contains(ti))
{
if (TaskInfos.Remove(ti))
{
OperationHistory.Instance.IsDirty = true;
return(true);
}
}
return(false);
}
public bool BringTaskDelay(TaskInfo ti)
{
int index = TaskInfos.IndexOf(ti);
if (index < 0 || index == TaskInfos.Count - 1)
{
return(false);
}
TaskInfos.Remove(ti);
TaskInfos.Insert(index + 1, ti);
OperationHistory.Instance.IsDirty = true;
return(true);
}
public bool BringTaskEarly(TaskInfo ti)
{
int index = TaskInfos.IndexOf(ti);
if (index <= 0)
{
return(false);
}
var ti1 = TaskInfos[index - 1];
TaskInfos.Remove(ti1);
TaskInfos.Insert(index, ti1);
OperationHistory.Instance.IsDirty = true;
return(true);
}