Access Label Of Form In ForEach Loop?
Apr 8, 2009I have a form called frmMapViewer. In this form I 25 labels showing districts of my country. think I want to assign names(text property) to each label.[code]...
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Foreach - Each Loop On A 2D Array In .NET
Oct 14, 2011I'm writing a loop to go through the first array of a 2D loop, and I currently have it like this:
For Each Dir_path In MasterIndex(, 0)
'do some stuff here
Next
But it's giving me an error, saying it expects an expression in the first field. But that's what I'm trying to do, loop through the first field. How do I fix this? What would I put in there?
EDIT: to clarify, I'm specifically looking for the 0th element in the subarray of each array, that's why that second field is constantly 0.
Dynamically Add Checkboxes In A Foreach Loop?
May 8, 2009I have the following for each loop which loops through a registry key and reads all the values:
Dim returnValue As RegistryKey = Registry.LocalMachine.OpenSubKey("SOFTWAREMicrosoftWindowsCurrentVersionRun")
Dim keyname As String = "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun"
Dim values() As String = returnValue.GetValueNames
[code].....
What I am trying to have been highlighted in bold.. Each time the loop executes and reads a value from the registry, I want the code to create a checkbox which has a unique name and text according to the value that was read... So the number of checkboxes will depend on number of values that is got from the registry...But this doesn't work. It only creates one text box and the text of the textbox is also incomplete...
VS 2008 - Second Foreach Loop Runs
Jul 9, 2009I have the following Method:
CODE:
Everything is working fine except for one part. The part where the second foreach loop runs. If I only have one plugin installed it puts 2 entries in the list. The reason is because it has 2 rows and it is adding it twice. I know what the issue is I just am drawing a blank right now.
Starting Same Thread From A Foreach Loop Not Working?
Dec 17, 2010Is there a way to start same Thread form foreach loop
Sub
For Each lvItem As ListViewItem In _ListView.SelectedItems
tThread = New Thread(AddressOf Me.myFunction())
[Code]....
In my case, when i select one item from list it is working fine...but when i select more than one files it odes not work.
Foreach - .NET For Each Steps Into Loop Body For An IEnumerable Collection?
Mar 11, 2010This is weird. I have a class that inherits from IEnumrable whose Count property is reporting 0 (zero) elements but the For Each loop steps into the loop body and tries to use the variable where it should just be moving on. My code:
On Error Resume Next
Dim d As Foo
For Each d In fooCollection
' use d and throws an exception
Next d
Weirder still, every time d is accessed i get an exception thrown in the output window:
A first chance exception of type 'System.NullReferenceException'
but i'm not stopping on the exception (not in a try/catch block).Is "On Error Resume Next" causing this weirdness?
Weirdness found:Per Rowland's and JohnH's comments i checked the Foo class:The GetEnumerator method inside of Foo didn't actually return anything! It had an empty body. That coupled with the On Error Resume Next before the loop caused the havoc! Wow this was ugly.
Winforms - Access Different Forms Through A Loop And Change Label Text?
Oct 31, 2011I have made a vb.net application which has 63 forms. On each form label2 should contain the username using the application. The first form displayed to the user is the login form. When the user clicks the login button on this form the user name in all newly opened windows should appear inside label2. How can I do this?
View 3 RepliesLoop Won't Display Text In A Form Label
Nov 8, 2010I am having trouble changing the text in a label. Can someone show me where the problem is?
Public Class Form1
Dim Tracker As Integer = 0
Dim Questions(10) As String
[code]....
Countdown During Loop - Label To Show How Many Cycles In Loop Are Left
Mar 9, 2011I know I am missing the obvious. I would like a label to show how many cycles in loop are left.
[Code]...
Write To A Label Via A Loop Incremental Label Number On Each Run
Aug 20, 2010i am trying to write to a label via a loop incrementing the label number on each run .The Labels are part of a "windows form" if that makes any difference .The code bellow is an example of what i wish to do [code]
View 3 RepliesFor Loop And Last Value From The Loop Is Displayed In The Label
Sep 10, 2009I am new to VB programming. I have the following code. When I execute my program only the last value from the loop is displayed in the label. I do write my code so that all of the values (years 1 to 5) show up in the label?
[Code]...
Unable To Place A Label Box In The MDI Parent Form And Then Open A Child Form The Label Box Highlighted In Child Form?
Dec 15, 2011I have an issue when I place a label box in the MDI Parent form and then open a child form the label box highlighted in child form?
View 6 RepliesCreate A Loop That Duplicate A Label?
Mar 7, 2009I'd like to create a loop that dupliates a label I've made and put it all over the screen. Example of what it would look like.
For i = 0 to 52
originalLabel.duplicate ("duplicatedLabel" & i)
next i
So later I could go through all of them...
For i = 0 to 52
//... some logic to determine color... then assign it somehow
duplicatedLabel & i.backColor = Color.red
next i
[code].....
I can do that in Flash/Actionscript but dunno how to do it in VB and I can't find it anywhere.
Create A Loop That Duplicates A Label
Apr 10, 2009I'd like to create a loop that dupliates a label I've made and put it all over the screen. Example of what it would look like.
[Code]...
I can do that in Flash/Actionscript but dunno how to do it in VB and I can't find it anywhere.
Dynamic Label Names In For Loop
Sep 21, 2010im trying to create smarter more efficient code in my project by having all lables change to their desired states by use of a for loop. currently my labels are all something like lblB1. can i do anthing like the following?
[Code]...
Label Text Does Not Change In Loop
Apr 18, 2012I'm trying to change a text that a label displays during each iteration of a Do While loop in Visual Basic. One label (which displays an integer) works fine, however the other stays blank until the loop finishes and displays the final result.
Private Sub btnCalc_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles btnOblicz.Click
Dim W As Single
Dim L As Integer
Dim J As Integer
Dim Y As Double
[Code] .....
Using A Loop To Control Label Property?
Jan 31, 2010I have an array of labels on my form which are all named "lblLabel1" thru "lblLabel9", but I want to be able to take a users numeric input (lets say 3), and display the 3 on lblLabel1, then I need it to increment by one all the way to lblLabel9. How can I do this? I was thinking a loop so this is what I came up with, but it didn't work:
For b As Integer = 0 To 8
lblLabel(b).Text = String.Concat(intSomething, "+", intAnother, "=")
Next
'Where b = the label number (I know it's zero based, I would change it later)
Forms :: Change The Text Of A Label In A Loop?
Apr 30, 2009I am using a for each loop and each time the loop executes, the text of the label has to be changed.. But for some reason, it only changes the text of the label during the last execution of the loop...
Here is the
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim dll
[Code].....
Implementing For Loop That Increments Label Names?
Feb 1, 2010I am looking for a way to make my code shorter, how can I implement a for loop to do this:
Public Class frmWhatevs
Dim arrOne(8) As Label
Dim ArrTwo(8) As TextBox
Private Sub frmb_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
SetaArray()
SetbArray()
End Sub
[Code] .....
Loop Through Listbox In Program / C# And Set Values To Label Text?
Jun 16, 2009I have items in a listbox control that I would like to repeatedly (when it gets to the last one, repeat) loop through and set the text to a label.
View 2 RepliesRefresh Display Label.text Under For Loop Condition?
Mar 23, 2010I have a for loop condition as below coding for looping to change word on label.text, but as a result, it just only display the last value.
how can I do to display each value for a looping.
i want the result is the label1.text to show 1 then 2, then 3, then 4.......finally is 10.
for i as integer = 0 to 10
label1.text = i
next
Show Number In Textbox On Label - Loop With Timer
Jul 2, 2009I have a form with a textbox, a button and a label. If I put a number in the textbox this number shows in the label but after that the label start to countdown from that number to zero.
View 5 RepliesUsing Timer In Do Until Loop - Putting Single Variable Into Label
Mar 11, 2010I'm trying to use the timer (not a Timer object) in a Do... Until loop. I want the loop to put a single variable into a label. When I do this it works and puts the value into the label (lblOxygenReading):
If btnGetOxygen.Text = "Get Oxygen Reading" Then
Select Case True
Case rdoColorWhite.Checked
strCurrentColor = "White"
Case rdoColorRed.Checked
[Code] .....
It goes through the Do loop and the For.. next loop but doesn't change the label. Visual Studio doesn't show any errors when I'm writing the code, but when I run it, it hangs somewhere.
VS 2008 - Loop Count In Label Stops Refreshing
May 28, 2011I am using a label inside my loop to get a count on the number of records processed by the loop. during testing of the program I noticed that if I load a smaller Table( 1000 records) my label stops refreshing after about 110 and my mouse turns to an hour glass. The program finishes and the label returns the correct count when complete If I load a larger table (10,000 records) it works all the way through???
[Code]...
Check Checkboxes Status And Write Checkbox Label Using A For Next Loop?
Mar 7, 2012I have several checkboxes in a groupbox on a vb 2008 express userform. I would like to check the checked status of each when clicking a command button and then write the checkboxes caption to be used in an email or print out. I've tried several methods and always end up with the same error "Invalid Cast Exception". I have read the help on msdn and still do not understand how to make it work. Here is the code I've been trying
Dim chk As CheckBox
Dim sb As New System.Text.StringBuilder
Dim names As String
For Each chk In gbInterior.Controls
[code]....
I have also tried the code below but cannot figure out how to check the status and print the checkbox caption.
Dim ctl As Control
For Each ctl In gbInterior.Controls
If TypeOf ctl Is CheckBox Then
[code]....
Use A Label And A Button - Label Should Have The Name Of The Programmer And The Button Should Hide The About Us Form?
Jun 30, 2011In the about use should be a label and a button. The label should tell about the program and have the name of the programmer and the button should hide the about us form.Here's my code:
Public Class Form1
Private Sub ExitToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExitToolStripMenuItem.Click[code].....
Irregular Shaped Form With No Borders Moving Across The Screen Until From Within The Loop The Form Closes?
May 26, 2012I tried it every way I can think off, but nothing can stop it .
View 7 RepliesForeach In Faster Than In C#?
Mar 12, 2009My co-worker said that in a previous interview, he learned that foreach is faster in VB.Net than c#'s foreach. He was told that this was because both have different CLR implementation.
Coming from a C++ perspective, I'm curious on why this is and I was told that I need to read up on CLR first. Googling foreach and CLR doesn't help me understand.
Does anyone have a good explanation on why foreach is faster in VB.Net than in c#? Or was my co-worker misinformed?
How To Use Parallel.ForEach
Apr 15, 2010tell how to form this to the correct Syntax?ere the sample in sequential form:ForEach ctrl AsCheckBoxIn tblCKBoxCollection.Controlsctrl.Checked =
View 1 RepliesAccess Arrays Via For Next Loop?
May 20, 2009I have 5 arrays, named array1 array2 array3 array4 array5. They are integer arrays each with 5 elements in them. I want to access all the elements in all the arrays using a for next loop,the pseudo code goes something like this:
for i = 1 to 5 'this loop calls each array
for j = 0 to 4 ' this loop calls each element
if array (i,j) then
[Code]....