我在treeview2中建立了2个根目录:A 和 B
然后又在A下建立2个节点:A1和A2
B下也建立2个节点:B1和B2
运行下面代码时总提示"List Index Out of Bounds (0)"
为什么啊??????????????????????
if treeview2.Items.Item[0].Item[0].Selected then
showmessage('A1')
else if treeview2.Items.Item[0].Item[1].Selected then
showmessage('A2')
else if treeview2.Items.Item[1].Item[0].Selected then
showmessage('B1')
else if treeview2.Items.Item[1].Item[1].Selected then
showmessage('B2');
然后又在A下建立2个节点:A1和A2
B下也建立2个节点:B1和B2
运行下面代码时总提示"List Index Out of Bounds (0)"
为什么啊??????????????????????
if treeview2.Items.Item[0].Item[0].Selected then
showmessage('A1')
else if treeview2.Items.Item[0].Item[1].Selected then
showmessage('A2')
else if treeview2.Items.Item[1].Item[0].Selected then
showmessage('B1')
else if treeview2.Items.Item[1].Item[1].Selected then
showmessage('B2');
if treeview2.Selected.AbsoluteIndex=1 then
showmessage('A1')
else if treeview2.Selected.AbsoluteIndex=2 then
showmessage('A2')
else if treeview2.Selected.AbsoluteIndex=4 then
showmessage('B1')
else if treeview2.Selected.AbsoluteIndex=5 then
showmessage('B2');
B节点应该是Items.Item[3]
改为:
if treeview2.Items.Item[0].Item[0].Selected then
showmessage('A1')
else if treeview2.Items.Item[0].Item[1].Selected then
showmessage('A2')
else if treeview2.Items.Item[3].Item[0].Selected then
showmessage('B1')
else if treeview2.Items.Item[3].Item[1].Selected then
showmessage('B2');