private async Task RemoveTask(DoTask task)
{
if (task == null)
{
return;
}
var range = Memories.GetRange(Memories.IndexOf(Memories.FirstOrDefault(x => x.Task == task)), task.Length);
foreach (var m in range)
{
m.Occupied = false;
m.Color = "Transparent";
m.Task = null;
}
task.MemoryId = -1;
task.TaskState = DoTask.State.UNINSTALLED;
}