C# winform listBox中的项上下移动（转）

 

C# winform listBox中的项上下移动

分类： C# winform2009-06-24 12:37 876人阅读 评论(0) 收藏 举报

winformc#object

//上移节点
        private void btnUP_Click(object sender, EventArgs e)
        {
            int lbxLength = this.listBoxMenu.Items.Count;//listbox的长度   
            int iselect = this.listBoxMenu.SelectedIndex;//listbox选择的索引   
            if (lbxLength > iselect && iselect>0)
            {
                object oTempItem = this.listBoxMenu.SelectedItem;
                this.listBoxMenu.Items.RemoveAt(iselect);
                this.listBoxMenu.Items.Insert(iselect - 1, oTempItem);
                this.listBoxMenu.SelectedIndex = iselect - 1;
            }   
        }
        //下移节点
        private void btnDown_Click(object sender, EventArgs e)
        {
            int lbxLength = this.listBoxMenu.Items.Count;//listbox的长度   
            int iselect = this.listBoxMenu.SelectedIndex;//listbox选择的索引   
            if (lbxLength > iselect && iselect<lbxLength-1)
            {
                object oTempItem = this.listBoxMenu.SelectedItem;
                this.listBoxMenu.Items.RemoveAt(iselect);
                this.listBoxMenu.Items.Insert(iselect + 1, oTempItem);
                this.listBoxMenu.SelectedIndex = iselect + 1;
            }   
        }