Help using progress bar
Hi, i want to make a button add +10 to the progress bar every 1 second until it reaches 50. I have added a timer with 1000 interval. My problem is, that when i click the button, the progress bar goes...
View ArticleVS 2008 Compare Two Times, Plus a "Delay"
I have a program that I want to have alert the administrator if the application fails. On a "settings" page I have a checkbox to enable the alerting, or not. I also have a field where the user should...
View ArticleTrying to search for a string in all nodes and listview items
I am a newbie when it comes to visual basic. I am using visual basic 2010 express and I am trying to write a program that will allow my users to search for any text case insensitive in all tree nodes...
View ArticleVS 2010 Run Through Each Pixel in an Image
The idea is simple. I'm making a program that detects edges in an image. It will eventually be used for facial recognition software for the final project in my entry level programming class. I need a...
View ArticleVS 2010 Q. : String comparison
I have VB 2010 Project includes : 2 TextBoxes (MultiLine enabled) Name : T1 Name : T2 T1.text includes 11 lines of strings like this ("String" + vbcrlf) T2.text includes 9 lines of strings like this...
View ArticleVS 2012 Extract Form1.vb and Form1.Designer.vb from Tmp file
I tried to run my application from within VB 2012 and my computer froze, upon restarting the PC I found that both Form1.vb and Form1.Designer.vb files were empty. After a lot of research I discovered a...
View ArticleVS 2010 Picture box Quality
Hello to all, I am using this code for upload image (jpg.) from my computer, and in PictureBox in Size Mode I am using "StretchImage". Code:     Dim dlg As New OpenFileDialog     dlg.Filter =...
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VS 2013 Pattern Recognition
I'm working on a lock screen with pattern recognition and I was wondering if it wasn't already done? I searched on google and nothing useful. I'm not done yet... alot to be done Heres a sample I'm...
View ArticleParsing HTML response in VB.net
Hey guys, quick one - hope someone can help me out. Am using VB to access a cloudstack API - the commands are all working fine, however the response i get back is: Quote: <?xml version="1.0"...
View Article[VB2010] Find PROMPT position
My goal is to check if in a EXTERNAL window is blinking the prompt (ready to enter letters from keyboard) and its position. Normally the external window never displays a prompt... is displayed a prompt...
View ArticleHow to optimize ListView control to work faster?
I made a program which contains a LV control as the central part of it. Program takes records from a database and store them into LV which has 10 columns. Everything was fine while I had 400-500...
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VS 2012 [RESOLVED] datagridview cell formatting - a couple of issues...
I have a couple of issues doing datagridviewcheckboxcell painting of background color and was looking for advice. My datagridview contains a few checkboxcolumns and a few textcolumns. In my...
View Article[RESOLVED] Problem validating all TextBox controls on a form in the "Save"...
After much research and trying, I can't find a simple way to validate all of my Textboxes on a form with 20 Textboxes. I turn an Errorprovider ON in each of the Validate events for each textbox if...
View ArticleVS 2013 Command text definitions for ADO to Excel
I have the functional command text "SELECT * From [Main$]" but it did not function until I added the dollar sign and I don't understand why. I would like to know more about the syntax for command...
View ArticleVS 2012 "= Nothing" vs "Is Nothing"
Hello, I'm not understanding the use of "Is Nothing". In the following code, the first "If" uses "Is Nothing" while the second one uses "= Nothing". It appears that the "= Nothing" is working properly...
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VS 2013 Help with reading from a txt file
It has been a long time for me with VB and a lot has been forgotten. I have done searching and have not really found the exact help that I have been looking for. I am just curious to know how to read a...
View ArticleVS 2010 Listview help needed
I am confused being a relatively new user to vb.net. Why my listview is not amending the value in the list? If I may, so I have a correct working of how listview displays its data from database. I have...
View ArticleNeed help playing an array of hundreds of captured images in a picturebox.
I have this screen recorder that I re-tweaked to store captured images in an array. I'm not sure if the array is storing correctly, but what I do know is that my program crashes when it tries to play...
View ArticleUnexpected appearance of Windows WaitCursor
I don't do anything with the cursor such as WaitCursor so it's not my code. I have a datagridview. It's not bound to any database. I just use the datagridview because it's a handy way to display text...
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VS 2010 StreamWriter object to write to text file
I'm trying to create a telephone number word generator(that part i have finished) that instead of outputting to a TextBox, writes to a .txt file using StreamWriter. But i'm having issues doing this....
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