VS 2005 ListBox - Remove The First 9 Lines Remain In Listbox
Dec 17, 2009Next listbox value:
1
2
3
4
5
6
7
8
9
10
11
I want to remove the first 9 lines remain in listbox:
10
11
Next listbox value:
1
2
3
4
5
6
7
8
9
10
11
I want to remove the first 9 lines remain in listbox:
10
11
remove blank lines from listbox?And remove specified text from listbox (text line that i can specify in form code(But if i specify to remove line something like [URL] it will remove the line [URL] but doesn't remove line [URL].
My code for adding items to listbox is:
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim PageElements As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("img")
For Each CurElement As HtmlElement In PageElements
[code].....
I am trying to create a single listitem that has multiple lines. When I create a newline using "System.Environment.NewLine" I get an empty box rather than the text going down the next line.
How can I get this to work? Currently my listitem is a custom structure. Do I need to change anything here so I can have multiple lines? Perhaps its a limitation of the listbox?
Public Structure ListItem
Private displayText As String
Private itemValue As Integer
[Code]....
I have 4 Listbox's on a form.
I can click in all 4 and they maintain focus.
How can i remove focus from all the Listbox's except the one i have just selected when i select a Listbox?
I have tried
Me.lstExternalDoors.SelectedIndex = -1
Me.lstInternalDoors.SelectedIndex = -1
Me.lstInternalWindows.SelectedIndex = -1
and
[Code].....
I have a form with a listbox. I'm adding items to the listbox through a file that I saved. When I open the file, I want each line/string in the file to go in as a separate item in the listbox. I've gotten it to work so far but only with 1 string. I need to loop the part where the file is being read to be able to add all the strings that are within the file to the listbox. How do I do this? So far, this is the code I have:
VB .net
Private Sub OpenToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenToolStripMenuItem.Click OpenFileDialog1.Filter =
[code].....
I have 2 listboxes on my form.Listbox 1 - populated with "available" field namesListbox 2 - populated with "selected" field names.There cannot be the same field name in both listboxes - it's either one of the other.The logic I was going to apply was to populate Listbox 1 with every field name ... and then as I populated Listbox with the field names which the user has already selected, remove the corresponding item from Listbox 1.
View 8 RepliesIf I set a ListBox.Height = ListBox.PreferredHeight when the control is hidden and IntegralHeight = True, then set it visible:
a) Actual Height reduces by typically 3-5 pixels after redraw (but not 1 pixel per item).
b) PreferredHeight does not not appear to give the correct integral of item heights.
Is there a way to make ListBox calculate the correct integral Height before the ListBox is made visible, so it can be correctly pre-positioned from bottom edge?
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
ListBox1.Visible = False
ListBox1.IntegralHeight = True
[CODE]...
This code bellow to compile a single listBox on form1 to listBox on form2 then listBox on form3.
I want to modified this code to compile 169 of ListBoxs on form1 to 169 listboxs on form2
and 169 listBoxs on form3.Try this code,not need the new coding.
Original code from JoOl and modified by John Anthony oliver
[Code]...
1 when my listbox returns resaults it only brings back 10 how do I set it to return lets say 500
and question 2 is when I click on my links in listbox it's not opening webpage as I would expect it...
This is my code
[Code]...
I am drawing lines on a picturebox - not in the paint event. I realise that if I resize the PictureBox the lines won't be redrawn - but the PictureBox is fixed. If I display a MessageBox at the end of my draws the lines do not remain on the screen. This was OK with VB 6.0. Hoe can I stop them being erased?
View 2 RepliesI have some lines in a ListBox, i need that select 1 line random and send this line to Label1.Caption.
View 2 RepliesSo in my form i have the user input a bunch of data that gets written to a listbox. Like so Pre_Study_Listbox.Items.Add("Team Members are: "). I then save the listbox to a .txt file and they can later load the .txt file back to the listbox. All this works great. But now i need to reverse the order of textbox to listbox and put the information back into the textbox fields from the listbox. So. The parsing character is ":" I need to read each line of the listbox and at the ":" take the rest in put it to the text box. I am not familiar with the parsing command
View 2 RepliesWhat im try'ing to do is when a ListBox item is selected and the value has been given with a NumericUpDown box and the ''Add to orderlist'' button is clicked that it saved it to a file called "orders.txt", not at startup but when the first order is made.
Some requirements:
U can't order the same thing twice ( only edit it within the editor ).
The "orders.txt" has to open on a TextBox1 at Form2 ( the text editor ).
And the user can only change the order amount in the edit program.
Example:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
ListBox1.Items.Add("7226218; Hemlock; 22.55; 0")
[Code].....
I have a Richtextbox.Text in my project and I need to save all text lines into a ListBox.Text .
View 6 RepliesOK here is what it looks like when it saves
[Code]...
Using Visual Studio 2008
I have a Listbox where i use OFD to list selected text filenames, can be multiple and from different drives
[code]...
I would like to be able to select more than one and have the whole of the lines loaded. I have tried many approaches, 'For each line' for example, but cant get my head around it. Another issue is that i would only like to see the textfile name in the listview box instead of path and filename.
This is my code:
Dim lngLines As String
Dim sr As New StreamReader(opdFileAudio.FileName)
While Not sr.EndOfStream
lngLines = sr.ReadLine
If lngLines.Contains("x") Then
lngLines = sr.ReadLine
[Code] .....
At the moment I want to read all lines in text file to a list box but I don't add strings x, and string y to listbox, and looping in.
lngLines.Contains("y")
ive been searching the whols google, and i couldnt find a ny solution.. i was wondering if someone here can help me out, i am loading a listbox items from a .txt files, and sometimes there are empty lines, there is a way i can delete them?
View 10 Repliesas per title, I want specific lines in listbox as bold or with colours.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim xyz() As Byte = {&H1B, &H0, &H10, &H1B, &H0}
ListBox1.Items.Add("XYZ: " & read_write_str(deviceHandle, xyz, xyz.Length))I get reply from device for i.e. 1234567890, I want this to be in BOLD or if I could add colours to it.
Allow each item to use multiple lines in a Winforms Combobox (or Listbox)
View 1 RepliesIm working on a program for a class project and part of it im required to remove one selected item from a listbox, in my case "lstCart" i have to first check if there is an item selected by the user, in which case i have to remove that item. Secondly, if there is no item selected i have to display an error message telling the user that they have not selected any item to be removed. Can anybody help me with this code? Ive tried a sort of nested if statement but that didnt seem to work very well.
View 2 RepliesI have a listbox that have some dates, what i need is to check every date if it is found in my database or not if yes i need to delete this item. i tried to do it but it gives error "InvalidArgument=Value of '3' is not valid for 'index'. Parameter name: index"
[Code]...
Tell me what I am doing wrong with this coding as it seems ok to me?
If any items in listbox2 is identical to items in listbox1 then remove from listbox2.
[code]...
I need to remove a selected item from a list box this is the code that I came up with
Private Sub btnDelete_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDelete.Click
ListBox1.Items.Remove()
End Sub
I have 2 listboxes. I want 1 Button to remove a item in the listbox, but when I use [code]It only removed ListBox2's item. How do I get it to remove both listboxs item?
View 10 RepliesI just want to double check if this code does in fact remove item duplicates.
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Button2.Enabled = False
Try
For index = Me.ListBox1.Items.Count - 1 To 1 Step -1
[code]....
I am using file.readalllines to read the file into a string, then using listbox.items.addrange and splitting by vbcrlf to insert the items. Is there a way to reduce the lag it causes for loading huge lists?
View 6 RepliesI am using VS 2008 Pro and my ? is, I am trying to add lines to a listbox and keep getting Cross-Thread Operation not Valid exception. The code I am using was downloaded from codeproject. When I run this app, it works fine. I added it to my app and this is where the cross-threading problem occurs.[code]I am trying to convert mp3 files to .wav files. With the line above it works. With it out, the exception is thrown.
View 5 RepliesI've been pondering upon my idea on how to create/update a text file using each item in a listbox as lines, but I fail each time. I've searched this forum as well as my friend, Google. Still nothing.
View 3 RepliesI have some lines of text in a listbox that I need to format. The text originally looks like this (on one line):
GND,CAL1.2 CAL1.3 CAL1.4 CAL1.5 CAL1.6 CAL1.7 CAL1.8 CAL1.9 CAL1.10 CAL2.2 CAL2.3 CAL2.4 CAL2.5 CAL2.6 CAL2.7 CAL2.8 CAL2.9 CAL2.10 CAL3.2 CAL3.3 CAL3.4 CAL3.5 CAL3.6 CAL3.7 CAL3.8 CAL3.9 CAL3.10 CAL4.2 CAL4.3 CAL4.4 CAL4.5 CAL4.6 CAL4.7 CAL4.8 CAL4.9 CAL4.10 CMS1L.2 CMS1L.3 CMS1L.4 CMS1L.5 CMS1L.6 CMS1L.7 CMS1L.8 CMS1L.9 CMS1L.10 CMS1U.2 CMS1U.3 CMS1U.4 CMS1U.5 CMS1U.6 CMS1U.7 CMS1U.8 CMS1U.9 CMS1U.10 CMS2L.2 CMS2L.3 CMS2L.4 CMS2L.5 CMS2L.6 CMS2L.7 CMS2L.8 CMS2L.9 CMS2L.10 CMS2U.2 CMS2U.3 CMS2U.4 CMS2U.5 CMS2U.6 CMS2U.7 CMS2U.8 CMS2U.9
I need to format it (if it's more than 13 names), then add it to another list looking like this:
NET 'GND' R1-2 R2-2 R3-2 R4-2 R5-2 R6-2 R7-2 R8-2 L1-2 L1-3 L1-4 L1-5 L1-6 L1-7
NET 'GND' L1-8 L1-9 L1-10 L3-2 L3-3 L3-4 L3-5 L3-6 L3-7 L3-8 L3-9 L3-10 L4-2
NET 'GND' L4-3 L4-4 L4-5 L4-6 L4-7 L4-8 L4-9 L4-10 L7-2 L7-3 L7-4 L7-5 L7-6
NET 'GND' L7-7 L7-8 L7-9 L7-10 L2-2 L2-3 L2-4 L2-5 L2-6 L2-7 L2-8 L2-9 L2-10
NET 'GND' L6-2 L6-3 L6-4 L6-5 L6-6 L6-7 L6-8 L6-9 L6-10 L5-2 L5-3 L5-4 L5-5 .....
[Code] .....