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Hi,
I have created a windows application now i want to create a setup file for that application. The problem is I want to add a key to registry with the current date of the system during installation. Is that possible, if yes please let me know its urgent
Thanks in advance
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The following code shows how to use the registry:
-Make an appform with 2 textboxes: TextBox1 and TextBox2.
-Add two buttons: btnSaveSettings and btnGetSettings.
-code for btnSaveSettings: SaveMyNumber()
-code for btnGetSettings: GetMynumber()
-DONE!
-enter text in TextBox1 > press savesettings
-press get settings and the nuber you entered in TextBox1 should appear in TextBox2!
-if you restart your computer, run the app, press getsettings your saved text will be shown again.
Imports Microsoft.Win32
Dim MyNumber as string
Dim MainKey As RegistryKey = Registry.CurrentUser.OpenSubKey("Software", True)
Dim MyKey As RegistryKey = MainKey.CreateSubKey("MyKey")
Private Sub SaveMyNumber()
If not TextBox1.text = "" then
MyNumber = TextBox1.text
MyKey.SetValue("MyValue", MyNumber)
else
exit sub
end if
End Sub
Private Sub GetMyNumber()
TextBox2.text = MyKey.GetValue("MyValue")
End Sub
Next you can check your value in the registry:
-Start > run > type "regedit" and press enter.
-open HKEY_CURRENTUSER > SoftWare > MyKey and there it is!
You just created this key.
You can delete it (MyKey) by right clicking on MyKey and select Delete, but beware!!! dont delete the wrong keys, it messes up your system!
if you use datetime.today in sub formload, save this in the registry the first time you load the program, the only thing you need to do is figure out how to do this only the first time you load the program. This shouldn't be so difficult.
Hope this helped you,
Cheers.
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Add an Installer class to your setup, assuming you are using VS.NET - you did not specify how you plan to create the setup. Then run Jerry's code shown above in the Installer class.
See the MSDN or Google for a basic tutorial in using Installer classes in .NET.
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Hello All!
I have a listbox in wich I have some data. The length of data is so much that it goes out of view. I dont want to add scrolling. I want that when the user move the mouse over the data in the listbox it will appear in full just like when in Windows you move the mouse on a folder having long names it will show its size and other related information............Got it?
Please help me in this regard
Thanx
_mubashir
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I have created a table in MS Word through VB 6.0. In the last column of the table, the row contains the database table names seperated by Commas. I need to provide hyperlink to each of the table names in the columns so that upon clicking each hyperlink, it goes to the description of the appropriate database table. While creating the hyperlink for the cell in the Word table, the hyperlink is created for the entire cell and am unable to create it for each table names separated by commas. Can anyone provide solution for this?
Thanks in Advance
Padmakumar.G
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I need to print Headings in MS Word Document using VB 6.0, so that I can create table of contents (TOC) easily in the Word Document. can anyone help me out in this?
Thanks in Advance.
Padmakumar.G
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This must be a stupid question, but after an hour of trying it's now intelligent for me to ask.
How would I sync a form's textbox, with the main form's textbox?
When the user, click a button on the main form, another form loads up.
Then when they change the textbox, I want a textbox in the main form to be updated with that string. Simple right!
In the old VB6, this was completely trivial.
It seems that .NET is not as easy, perhaps for protection?
I tried delclaring the form, and texbox, but to no avail.
At a loss,
TT(n)
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pass the textbox byref when you open the form. To do this you can add a sub new to the form:
second form:
private textboxOnMainForm as textbox
Sub New(byref tb as textbox)
textBoxOnMainForm = tb
end sub
Main Form...
sub button1_click(blah blah)
dim f as new secondForm(me.textbox66)
f.show
end sub
This way the second is given the textbox when it is instantiated, as it is passed by ref, changes will stick to the original textbox.
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I've got some code to read from a text file (contents will be pasted at the bottom of this message. I've got it reading the file fine, but some of the spacing between say like name and id isn't the same, and I'm lost finding a solution to read all fields. Any tips or suggestions? I know where the code fails is at ar = str.split(cchar(" ")), but every other file I've had to read was separated by a "|" or just had one single space between everything. A program doesn't care if the file looks good or not  . Is there a way you could read a "column" per say?
Thanks
Here's the code:
Public Sub LoadStudents(ByVal strFile As String)
Dim fs As New FileStream(strFile, FileMode.Open)
Dim sr As StreamReader
Try
sr = New StreamReader(fs)
Dim str As String
Dim ar As String()
Do While sr.Peek <> -1
str = sr.ReadLine
If str.Trim.Length <> 0 Then
ar = str.Split(CChar(" "))
stud = New Student
With stud
.Number = CType(ar(0), Integer)
.Last = CType(ar(1), String).Substring(0, .Last.Length - 1)
.First = CType(ar(2), String)
.MidI = CType(ar(3), String)
.ID = CType(ar(4), String)
.College = CType(ar(5), String)
.Classification = CType(ar(6), String)
.Email = CType(ar(7), String)
.Major = CType(ar(8), String)
.Paid = CType(ar(9), String)
.Enrolled = CType(ar(10), String)
End With
End If
Loop
Catch ex As Exception
Exception(ex)
Finally
fs.Close()
sr.Close()
End Try
End Sub
Here's the text file:
1 ANSARI, EHSAN B 111-11-111 BT SR CSCI P Enrolled
2 CRAWFORD, BRIAN KEITH 111-11-111 BT SR CSCI P Enrolled
3 ELLIS, RICHARD M 111-11-111 BT SR CSCI P Enrolled
4 GARDNER, JAMES ROBY 111-11-111 BT SR CSCI P Enrolled
5 GNAU, DANIEL C 111-11-111 BT SR CSCI A Enrolled
7 GOULDER, JEFFREY SCOTT 111-11-111 BT SR CSCI P Enrolled
8 LAWSON, BRANDI NICOLE 111-11-111 BT SR CSCI P Enrolled
9 MONROE, JENNIFER M 111-11-111 BT SR CSCI P Enrolled
10 MOORE, MELISSA ANN 111-11-111 BT SR CSCI P Enrolled
11 OVERHOLT, JAMES PATRIC 111-11-111 BT SR CSCI P Enrolled
12 PARKER, BRIAN DOUGLAS 111-11-111 BT SR CSCI P Enrolled
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I realized this line doesn't work, it is fixed:
.Last = CType(ar(1), String).Substring(0, .Last.Length - 1)
I used a variable to hold the array value and did substring from there.
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Hello all,
I was very happy that my last problem was solved quickly. I have yet another problem though.
I'm working with quite a bit of For statements, and to be honest, I love them. Now, I need a feature to get VB.NET to ignore the rest of the code in the For/Next statement and do it all again (well, until the conditions are met).
For example, it reads the lines of a rich text box. If the length of the string is a certain length, then it does one thing and goes on to the next line. If it's another length it does something else and then goes to the next line.
Seems like I could do this with just an if statement, right? Well, there are too many things that it's checking for, so it would get really messy really fast.
I also could do this with a variable. Create a new variable at the beginning of the script, just say, called "Doneyet" (boolean). If the conditions are right and doneyet = false, then it does the action and sets doneyet to true. Then, any remaining code will see that doneyet = true and won't execute, and thus VB.NET will loop to the next "line" or whatnot.
Is there a better, cleaner way to do that?
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i have a problem geting the hives, in the treeview and the keys the listbox.
i want to a replica of regedit in other words...(100% same fuctionalities). can any one help with a code sample in vb.net only not vb6 others because i started with .net only. :P
i want to work hard...in this field!
serious in programming!
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Hi guys I have lost my source code and only have the exe. file is there some way to recover the source code (vb.net) from the .exe file????
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You can recover a variant of the source. The variable names will not be the same. Look into Reflector[^].
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi
nobody can do convert exe to source file.
AMR-CIS
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How would I write a program and get a random number
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Just Google "Random Numbers" and "VB.NET", you'll get tons of hits.
No random number is truly "random", and random number generation algorithms can vary from extremely simple to extremely complex, depending on how "random" you really need your numbers to be. I'm sure you'll find something that suits your needs.
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Buy this book with Samples: "Numerical Recipes in C"
Its a coding bible.
Its available on line.
Scooter
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Dim myRNG As New Random()
Dim newNumber As Integer = myRNG.Next(lowerBound, upperBound)
But I vaguely remember telling you this already.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Tooltip on a treenode is overlaying Treeview enties behind tooltip. The tooltip leaves behind a white shadow that overlays only the Treeview data behind it. It looks like the tooltip erases the pixels behind were it came up but only in the treeview. I searched MSDN and still am at a loss. Any help is appreciated. I use the refresh function to fix the treeview but I was curious what what causing it.
Andrew
Princeton, NJ
-- modified at 14:53 Friday 14th October, 2005
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Is that any function can tokenize a string just like what C++ can do.
Thanks,
David
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There is the String.Split() function that will split a string into an array based upon a separator character.
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