if it is a visible form belonging to your own process, iterate the Application.OpenForms collection. Otherwise, you will need to enumerate all the Windows windows using the EnumWindows[^] function (in user32.dll) using P/Invoke. :) Luc Pattyn [My Articles] Nil Volentibus Arduum

Hello,Henry! Thanks for your suggestion and the artcile.I've read it.It also give me some help!I have solved this quesiton with all you suggest.Finally I found the textboexes were in a form's tabpage's pannel. Thanks all of you!

Why not just scrap the TabControl and use a stack of Panels instead? A guide to posting questions on CodeProject[^] Dave Kreskowiak

Hello,Dave! I have put code like "if e.node.checked = true" in the start of the NodeMouseClick Event, but it also link to tappage. I found that I should use AfterSelect Event in MSDN.How silly I am...

Hello,Eaverae! Your suggestion is helpful for me to get more details about the method "SelectedSingleNode".Thank you! I have got my solution like below: For Each node1 In list1 Dim val As String val = node1.Attributes("PN").Value If val = TextBox1.Text Then Dim list2 As XmlNodeList = node1.SelectNodes("Height") Dim node2 As XmlNode For Each node2 In list2 Dim val2 As String val2 = node2.Attributes("DN").Value If val2 = TextBox2.Text Then TextBox3.Text = node2.InnerText End If Next End If Next What's more, I have change the XML element <PN> to <PN PN="1.6"> :)

Hi,Gregory! Thanks for your suggestion, my problem has been solved!Thank you very much! :)

Hi, Dave! Thanks for you rely. But I didn't get it……Could you take an example for me? Thanks a lot!

CodeProject search articles for save restore form state gave as first hit: Save and restore the state of a Windows Form in .NET 2.0[^] which uses registry (IMO not recommended except for a single very simple form). :) Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.

I've got it! Thank you, Dave!

You will need to call the Function from the LEAVE event handler of each control. Modify for function to ensure that all the controls contain a valid value and if so perform the necessary calcuations etc. Steve Jowett ------------------------- Real Programmers don't need comments -- the code is obvious.

Hi,Abhinav,I've done what I wanted with this judge: If e.Node.Checked Then First judge the treenode whether checked or not, if it checked, changed its color! Still thank you for your suggestion!:cool:

You're welcome :thumbsup: Cheers I don't like my signature at all

Hi,Aslam，thank you very much!

Hi, Dave's (the next) answer is exactly what I would have suggested. Still I don't understand when you say the text comes from VB.NET controls - would that mean you would first have to grab the text from a different program? In that case it's a much (muchmuch!) harder job to do, so I hope I'm misinterpreting that remark ;-). If you wanted to say "VBA controls" instead (i.e. inside Excel) then again it's something you can manage without going insane ;)

For a WinForm app, there seem to be two very different ways to add controls to a form: - one is by using the "Visual Designer" - the other is by adding some code that creates and adds controls at run-time. However, the designer basically does two things for you: 1. it adds code to some file, which you may not have seen yet; if your form is called Form1, it consists of several files, including Form1.vb; the designer creates and controls Form1.designer.vb (you may have to fiddle some buttons/settings for Studio to show it in the Solution pane, can't remember the details). 2. and then it lets Studio execute such code, and that is how the controls suddenly appear on you form. (No they are not really drag-and-dropped, your drag operation tells the Designer to add and then execute code!) So the suggestion is clear: do it once with designer, then go and peek inside that auto-generated file. BTW: do not edit the designer files, just learn from them, and add similar things to your code. :) Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] I only read formatted code with indentation, so please use PRE tags for code snippets. I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).

Good Link ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave

Thanks a lot!

Hi Sanyexian, you can try xlsSheet = xlsBook.Worksheets.Add to add a new worksheet instead of referring the first available sheet with "1" (as suggested: play with IntelliSense!). The code is very basic anyway, you will need to catch exceptions (Try... Catch) and much more. You might also want to download some samples from the web and learn from them - as I wrote COM-Interaction can be tricky. Good luck! :thumbsup: