i have an array of booleans whose current boolean values I want to preserve but add additional length to the array? How can I achieve that? My code looks like this:
Dim Array() As Boolean
Dim ArrayInterimShort() As Boolean
ReDim Array(119)
[code]....
I am trying to create a code where I placed sets of numbers in an array.I'll use a masktextbox to have the user enter the numbers to match what's in the array. If the user enters the number, ex: social, and the data is correct (matches the numbers in the array), something happens if the number entered in the masktextbox does not match any of the number sets in an array then another thing happens.The masktextbox so far only validates format and gets number only, however, I want the number entered to match whats in the array.
View 1 RepliesI'm trying to loop through an array of byte and copy the contents to a new list of bytes, and display them back. see the code below.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim myByte() As Byte = New Byte() {65, 66, 67}
[Code]....
I want to see str1 as "ABC" but the out put i get is "A B C" (ie with spaces between letters) note: I have to copy(chunks) within a loop and get the result at the end, this is just a sample to reproduce my real issue.
As per this illustration, I'm trying to increase the size of an existing array from 111 to 114 to be consistent with existing code. I need topreserve the existing values and add 3 new items to the end of the existing array of booleans,
View 3 RepliesI have one tabpage on my form, which shows new grids when requested by the user. At runtime currently each of these views load on the same tabpage (first one) after removing the old view). I want to save each of these views in a new tabpage which I will create at runtime.Is it possible for me copy the entire contents of a tabpage including the data and copy it on to a new tabpage?
View 5 RepliesHow should i copy contents of Datagridview to SQL Server
View 2 RepliesI am begineer in the VB world,so I wanna know how I can copy the contents of listbox To word Doc?
View 2 RepliesI am trying to copy the entire drive contents of a CF card to another location. For example:
Source Location:
e:DCIM
Destination Location:
X:2010-06-01
What I want to do:
- Copy E:*.* to Destination
- The original file structure can stay the same. I want to copy everything from the root of the Source Drive
I can copy the contents if I set source string to e:DCIM.. But I'm concerned that if I get something that doesn't have the first directory (DCIM) it's going to error.
I have used Mid,InStr and other methods to get a substring of a string from one text file and copied the required string to another text file. While I get the correct string, vbscript however generates a BLANK SPACE after evry character in the output string.
I tried to use the Replace function inorder to replace the " " with ""... but the function does not detect any blank spaces at all to replace.
Instead of copying to another file, I even tried to replace the undesired part of the string with a " " and get only the required part ... but then again it gives the same problem[ a BLANK SPACE after evry character]
I understand I've been asking alot of similar questions around this topic, but I think, with luck, and your help, this will be the last time.
I have a listbox containing x-many different values.
What I want the program to do is to overwrite a pre existing file with all these values,
that is, essentially, to do the reverse of this piece of [code]...
I have 42 RichTextBoxes (RTBs) and I would like to add my ContextMenuStrip to each of them (which I have already done), but the problem I am having is when the application is running and the ContextMenuItem "Copy" for example is clicked, I can only make it copy the context of one of the RTBs, when I would like it to copy the contents of any individual one. So as I mentioned, I have 42 RTBs, but I am having trouble getting the contents of the focused RTB. The below code is just copying the 1 RTB and when I Copy on another RTB, it copies the contents of RTB1.
I originally started out with like so, but is just for the one RTB and when I add more than one in the code below it's even more of a disaster..
Private Sub Copy_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Copy.Click
RichTextBox1.Copy()
End Sub
I tried using this, but I was not sure how to add the copy function into it:
Private Sub Copy_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Copy.Click
Try
For Each itm As Control In EnumerateAllControls(Me)
For Each c As Control In itm.Controls
If TypeOf c Is RichTextBox Then
[Code] .....
How to Copy ContextMenuItem to focus on the user focused RTB.
I'm trying to copy the contents of work1 and paste them into work2 but its just leaving work2 blank?
My coding
System.IO.File.ReadAllText("C: est1Work1.txt")
System.IO.File.AppendAllText("C: est1Work.txt2", vbCrLf)
Am learning arrays at the moment and I have the below piece of code that goes through drive C: and displays the files in in a list box.
I want to try and expand it to use array.sort so that it gets the files, puts them into an array, and then I can sort by filename or file size. I have been rattling my brain over this - as to how do I put the files into an array.
Would like an explanation if possible as more interested in learning it rather than the answer.
Private Sub btnclick_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnclick.Click
Call Clearlist()
[Code]....
So I'm using the following code to add items into my list box, and I'm trying to get it to check the contents of the list box as well.
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
If ListBox2.Items.Contains(TextBox3.Text) Then
MsgBox("Character already exists!")
Else
ListBox2.Items.Add(New LBnfo With {.v4 = RadioButton6.Checked,
[Code] .....
But when I try to compare the two:
If ListBox2.Items.Contains(TextBox3.Text) Then
MsgBox("Character already exists!")
Else
It doesn't show the message box even when the character actually does exist. I believe the problem is that I never do add the item really. I just use, "Return Me.character," which is assigned the value of Textbox3. So I just need to figure out how to check Me.character before returning it.
I want to be able to add a folder (and inturn, all of it's contents including subfolders) to a setup project. I can manually add a folder, then manually add all of the files for that folder; but this is a NetHelp folder with lots of subfolders and files.
Is there a way to tell the setup to add everything in a folder to the setup files to be distributed??
how do i add text to a multiline textbox without erasing what is already in there?
Lets say the textbox already has...
"Visual basic is "
and then i want to add the word "fun" to the textbox without erasing "Visual basic is "
after adding "fun" i want it to read.... "Visual basic is fun"
I am getting an error that I can't track down.
Elsewhere in the project:
Public teamname (numteams) as string.
In this form as a form load event
For i = 1 to numteams
Listbox1.items.add (teamname(I))
next i
I get an error message to try new but I can't figure out what it means.
I am having a hard time displaying the contents of a text file that i read into an array. I read the text of the text file into an array but then i need to display it but i can't seem to get it. I also need to create a criteria to match whatever letter is entered into the textbox and display the contents of the file only beginning with that letter. I know i have to use a substring to read only the first letter but I can't even display the contents of the file from out of the array. Here is what i have so far.
Dim sr As IO.StreamReader = IO.File.OpenText("CRAYONS.TXT")
Dim color(50) As String
Dim arrynum As Integer
[Code].....
I've got an array of type double with about 30 entries(numbers) in it.I need to multiply them all together. Sort of like "=product(A1:A30)" in Excel (formula).
View 1 RepliesWhat is the best way to print contents of an array?[code]...
Is there a way to have a loop that finds the columns and then prints the contents?
I'm a sorta newcomer to visual basic and programming in general and I'm having a hell of a time trying to figure out how to put a listbox into an array. And just so we don't make any assumptions yes this is for school and no I'm not looking for anyone to do my homework for me. I just need some direction on how to do this step so I can make progress.
Anyway, the program is a data of students and I gotta do the code for alphabetically sorting by last name in ascending and descending order. I have to make it so whenever the A-Z button is pressed it will sort whatever is in the listbox, be it 1 record or all.[code]...
Am learning arrays at the moment and I have the below piece of code that goes through drive C: and displays the files in in a list box.
I want to try and expand it to use array.sort so that it gets the files, puts them into an array, and then I can sort by filename or file size. I have been rattling my brain over this - as to how do I put the files into an array.
Private Sub btnclick_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnclick.Click
Call Clearlist()
[Code]....
I'm working on a program that has to get a set of images and then scan them to find pixels that match colors in an color array. Anyway I think I got everything working but how to load the images in as bitmaps. See the images are dynamic, they change there filenames so I can't call them with a static call like Dim bmp2 As New Bitmap("c:button.gif").
So I am using a loop to feed the images into an array for bitmap but thats not working, anyway that I can do this as, right now the program gets all the filenames for the images from a text file that is sent in to us. All I need to do is have the program check each image for pixels that match our color list. But I cant get the images into the bitmap array.
I am having a hell of a time figuring out where I am going wrong in copying the contents of arrays to listboxes.
I am using textboxes to input team numbers and team names.
The code for that is as follows (used in a button after the data has been entered in the text boxes:
Teamname, Teamnumber and numteams have been previously declared as public variables (string,integer and integer) in a module as they are used throughout the project. Numteams has had a value ascribed to it in a previous form
ReDim Teamname(Numteams)
ReDim Teamnumber(Numteams)
Dim thisteam As Integer
[Code]....
I have had to put in the "" for the Teamname variable as otherwise I was getting an error saying "Value cannot be null". I am also not sure what is causing that.
When I do that, I get 0 in the listboxes for all the teamnumbers except the last one which is right and blank strings for the team names except for the last one which is also right.
I have an array of info with each element containing a structured variable. Once the array is full of info it is passed to a procedure "DisplayStructure" which I'm trying to get display a MessageBox with the info in it, separating each element on a separate line. I can't get it to display even one element on one line. The structure is called Employee and what comes up in the MessageBox is Employee.Example or Example.Employee, can't remember which.[code]...
View 3 Repliesin VB 2010 how do I display the contents of a 2 dimensiomal array. As a VB6'er, I miss the flex grid control and I can't seem to adapt to the Data Grid view for displaying array data.
View 13 RepliesI'm trying to teach myself arrays as I have not extensively worked them. So I thought of a basic program to hash the contents of an array and list the output of the array word next to the hash value of it.
[Code]...
I have this:
Dim split As String() = temp_string.Split(",")
''#feed all info into global variables
patient_id = split(0)
doc_name = split(1)
lot__no = split(2)
patient_name = split(3)
How do I clear all the contents of split() ?
In Mastering VB2010 on arrays, a command is show indicating the reversed contents of an array can be assigned to another array.
ReversedArray = System.Array.Reverse(ArrayName)
I can't get this to work and part of the problem is how to set up (dim) the ReversedArray. When I enter this I get a squiggly line under the right side of the equation and an error message saying no data is produced by the expression.
I get the same error with a copy command:
CopiedName = System.Array.Copy(Name, CopiedName, 10)
How do I set up working code to reverse or copy the contents of an array?
I'm trying to do something quite simple. I need to take a pipe-delimited text file and store the contents of the file in an array.
View 2 Replies