/// <summary>
/// 重做
/// </summary>
public virtual void Redo()
{
if (!this.CanRedo)
{
return;
}
ICmd cmd = cmdHistories[++CurrentPosition];
cmd.Excute();
}
/// <summary>
/// 执行
/// </summary>
/// <param name="cmd">命令</param>
/// <param name="record">是否记录</param>
public virtual void Excute(ICmd cmd, bool record = true)
{
if (cmd != null)
{
cmd.Initialize();
cmd.Excute();
if (record)
{
if (this.CurrentPosition + 1 != this.cmdHistories.Count)
{
cmdHistories.RemoveRange(this.CurrentPosition + 1, this.cmdHistories.Count - this.CurrentPosition - 1);
}
cmdHistories.Add(cmd);
this.CurrentPosition++;
}
}
}