procedure treeview1.ondoubleclick(sender:Tobject); begin IF TreeView1.selected.level=2 then begin name=treeview1.selected.text; 做其他的处理。 end; end;
根据完整路径判别 function GetNodePath(TreeView: TTreeView; ANode: TTreeNode = nil):String;overload; function GetNodePath(ANode: TTreeNode):String;overload;function GetNodePath(TreeView: TTreeView; ANode: TTreeNode = nil):String; var Tmp: TTreeNode; begin if not Assigned(ANode) then Tmp := TreeView.Selected else Tmp := ANode; if Tmp = nil then begin Result := ''; Exit; end; Result := Tmp.Text; while Tmp.Parent <> nil do begin Tmp := Tmp.Parent; Result := Tmp.Text + '\' + Result; end; end;function GetNodePath(ANode: TTreeNode):String; begin if Assigned(ANode) then Result := GetNodePath(TTreeView(ANode.TreeView), ANode) else Result := ''; end;
begin
IF TreeView1.selected.level=2 then
begin
name=treeview1.selected.text;
做其他的处理。
end;
end;
function GetNodePath(TreeView: TTreeView;
ANode: TTreeNode = nil):String;overload;
function GetNodePath(ANode: TTreeNode):String;overload;function GetNodePath(TreeView: TTreeView; ANode: TTreeNode = nil):String;
var
Tmp: TTreeNode;
begin
if not Assigned(ANode) then
Tmp := TreeView.Selected
else
Tmp := ANode;
if Tmp = nil then begin
Result := '';
Exit;
end;
Result := Tmp.Text;
while Tmp.Parent <> nil do begin
Tmp := Tmp.Parent;
Result := Tmp.Text + '\' + Result;
end;
end;function GetNodePath(ANode: TTreeNode):String;
begin
if Assigned(ANode) then
Result := GetNodePath(TTreeView(ANode.TreeView), ANode)
else
Result := '';
end;
1、如果树项不是很多,确定只有三层的话就一下子画出来好了
2、节点的位置(即序列号)是指什么