public bool RemoveItem(ItemBase item)
{
if (dtItems == null)
{
dtItems = new List <ItemBase>();
}
if (item == null)
{
throw new Exception("参数不能为空.");
}
if (commandChangedEvent != null)
{
CommandChangedArgs args = new CommandChangedArgs(item, CommandChangedArgs.EnumChangeType.Remove, null);
commandChangedEvent(null, args);
}
return(dtItems.Remove(item));
}
public void AddItem(ItemBase item)
{
if (dtItems == null)
{
dtItems = new List <ItemBase>();
}
if (item == null)
{
throw new Exception("参数不能为空.");
}
if (Contains(item.Name))
{
throw new Exception("名称已存在.");
}
dtItems.Add(item);
if (commandChangedEvent != null)
{
CommandChangedArgs args = new CommandChangedArgs(item, CommandChangedArgs.EnumChangeType.Add, null);
commandChangedEvent(null, args);
}
}
public bool RemoveItem(ItemBase item)
{
if (dtItems == null)
{
dtItems = new List<ItemBase>();
}
if (item == null)
{
throw new Exception("参数不能为空.");
}
if (commandChangedEvent != null)
{
CommandChangedArgs args = new CommandChangedArgs(item, CommandChangedArgs.EnumChangeType.Remove, null);
commandChangedEvent(null, args);
}
return dtItems.Remove(item);
}
public void AddItem(ItemBase item)
{
if (dtItems == null)
{
dtItems = new List<ItemBase>();
}
if (item == null)
{
throw new Exception("参数不能为空.");
}
if (Contains(item.Name))
{
throw new Exception("名称已存在.");
}
dtItems.Add(item);
if (commandChangedEvent != null)
{
CommandChangedArgs args = new CommandChangedArgs(item, CommandChangedArgs.EnumChangeType.Add, null);
commandChangedEvent(null,args);
}
}