怎么把0刻度线和x轴刻度重合

怎么把0刻度线和x轴刻度重合

时gd不能自动生成出现，
public class GoodList : CollectionBase
{
public virtual int Add(T fruit)
{
return InnerList.Add(fruit);
}
public new void RemoveAt(int index)
{
InnerList.RemoveAt(index);
}
public T GetItem(int index)
{
return (T)List[index];
}
public void Set(int index, T fruit)
{
this.RemoveAt(index);