我的代码如下:procedure TFrm_TopologyAnalyse.AddTre(StrEqId:string;EqIdList,StrEqIdList:Tstrings);
var
i,n:Integer;
node:TTreeNode;
eqname:string;
begin
for i:=0 to EqIdList.Count-1 do
begin
TreeView.Items.AddChild(TreeView.NodeFromPath(StrEqId),EqIdList.Strings[i]); //加一个子节点
eqname:=EqIdList.Strings[i];
for n:=0 to StrEqIdList.Count-1 do
begin
if Copy(eqname,1,4)=Copy(StrEqIdList.Strings[n],6,4) then
begin
node:=TreeView.NodeFromPath(eqname);
TreeView.Items.AddChild(node,StrEqIdList.Strings[n]);//再先前加的那个子节点下再加一个子节点
end;
end;
end;
end;我看过eqname明明已经加 有值,而且已经添加到树里,但NODE怎么还是NIL?!!高手指教一下啊!!!拜托!
var
i,n:Integer;
node:TTreeNode;
eqname:string;
begin
for i:=0 to EqIdList.Count-1 do
begin
TreeView.Items.AddChild(TreeView.NodeFromPath(StrEqId),EqIdList.Strings[i]); //加一个子节点
eqname:=EqIdList.Strings[i];
for n:=0 to StrEqIdList.Count-1 do
begin
if Copy(eqname,1,4)=Copy(StrEqIdList.Strings[n],6,4) then
begin
node:=TreeView.NodeFromPath(eqname);
TreeView.Items.AddChild(node,StrEqIdList.Strings[n]);//再先前加的那个子节点下再加一个子节点
end;
end;
end;
end;我看过eqname明明已经加 有值,而且已经添加到树里,但NODE怎么还是NIL?!!高手指教一下啊!!!拜托!
var
i,n:Integer;
node:TTreeNode;
eqname:string;
begin
for i:=0 to EqIdList.Count-1 do
begin
node:=TreeView.Items.AddChild(StrEqId,EqIdList.Strings[i]); //加一个子节点
eqname:=EqIdList.Strings[i];
for n:=0 to StrEqIdList.Count-1 do
begin
if Copy(eqname,1,4)=Copy(StrEqIdList.Strings[n],6,4) then
begin
TreeView.Items.AddChild(node,StrEqIdList.Strings[n]);//再先前加的那个子节点下再加一个子节点
end;
end;
end;
end;