Visual Basic .NET - Week 20, 2009

Detecting Design Time vs Run Time Property Set action

Mike - 16 May 2009 9:51 PM - 9 messages

I might be doing this all wrong, but logically, this is all I can figure out what to do: I have this custom component property: Public Shadows Property Visible() As Boolean Get ...

BigInteger and BigDecimal [equivalents] for VB.NET?

Bogus Exception - 16 May 2009 5:08 PM - 5 messages

Learned Experts, I'm writing a client in VB.NET (VS 2008 Pro) and a server in Java. In Java I have the benefit of BigInteger (arbitrary-precision integers) and BigDecimal (arbitrary-precision signed decimal numbers). I'm trying to find equivalent classes in VB.NET so I can exchange data and ...

Setting the selected item of a listbox when only one the text value

ChunkyMonkey - 15 May 2009 8:24 PM - 2 messages

Hi, As simple as I am sure this is, I am not able to get something the work. I have a text value (string), and I want to find an item in a listbox where the item matches the string I have, and then set that item as the selected ...

Vb.net[2008] Combo box population from text file (40,000 lines!)

Rob W - 15 May 2009 8:22 PM - 5 messages

Greetings, The vb.net application I'm developing is for data input and have utilised a combo box which is populated with a list of UK towns. As it is 40,000 lines long I have recently had problems testing the ...

SQL Command

Darin - 15 May 2009 5:17 PM - 2 messages

I have a sqlcommand running and have the timeout set to 3600 seconds. Is there a way, while it is running before the timeout has occured, to stop it? Darin *** Sent via Developersdex [link] *** ...

AxWindowsMediaPlayer control help

roidy - 15 May 2009 5:16 PM - 3 messages

I`ve added a AxwindowsMediaPlayer to my form with the uiMode set to none to hide the controls. I give it a file to play using:- AxWindowsMediaPlayer1.URL = "filename.mp4" But how do I start playback? You`d think it would be something simple like:- ...

NotifyIcon Balloon Tips

Mike - 15 May 2009 3:37 PM - 2 messages

I notice the same issue we had with NotifyIcon Balloon tips under C/C++ is persistent with the .NET NotifyIcon class. At issue is, the balloon tip does not work or rather the time to close does not work under certain OS versions. What happens the tip pops up ...

Drawing images in asp.net

Cory J. Laidlaw, Beyond01.com - 15 May 2009 2:40 PM - 6 messages

Hi, I am trying to draw a simple graph using ASP.NET without using a 3rd party control. I only want to draw a simple horizontal bar chart, save it to a JPG and render it on my web form. ...

Problem with turning off Appication Frameworks and with posting al

Terry - 15 May 2009 12:39 PM - 5 messages

Below you will find a ? I posted a few days ago. I am not being recognized as a subscriber because somehow the msdn configure name and my profile name are no longer a match. And for a whole day I am unable to use the configure ...

Test - dont bother to read

Terry - 15 May 2009 12:19 PM - 9 messages

Testing msdn subscription settings. ...

Email Archive program

Allen - 15 May 2009 9:55 AM - 7 messages

I am interested in writing and email archiving program. Does anybody have any pointers to info about this type of project? TIA ...

VB.net 2008 : how can I get the Printdialog to show up in the CENTER of the screen ?

Screaming Eagles 101 - 15 May 2009 9:30 AM - 3 messages

Since the dialog does not have a location property or similar it seems I can't get the dialog to show up in the center of my application (center screen). ...

Compilation error

HardySpicer - 15 May 2009 8:57 AM - 4 messages

The procedure is Option Explicit On Option Strict On Imports Microsoft.VisualBasic Imports System Imports System.Xml Imports System.Text Imports System.Collections.Generic Namespace AIMLbot.AIMLTagHandlers ''' <summary> ''' The random element instructs the AIML interpreter to return ...

Structures inside structures

Andrew - 15 May 2009 6:23 AM - 5 messages

Could somebody perhaps let me know, what the equivalnet code in VB.Net for this C# example. public struct MyStruct { public MyChild[] AsChild; public int nOther; ...

why not inherit from type 'b(Of a)'

×“× ×™ - 14 May 2009 9:53 PM - 4 messages

Public Class Form1 Public Class a End Class Public Class a1 Inherits a ...

why not c1 or c2 not inherit from type 'b(Of a)'.

×“× ×™ - 14 May 2009 9:49 PM - 2 messages

Public Class Form1 Public Class a End Class Public Class a1 Inherits a ...

Convert an untyped Data Table to a typed Data Table

John Wright - 14 May 2009 5:26 PM - 4 messages

I need to convert some of my untyped datatables to typed datatables. Is there a way to do this? I am assuming I need to convert the table to XML then back, but I am unsure. Does anyone have any code or can point me in the ...

Trouble with Cross thread control access

Ty - 14 May 2009 2:12 PM - 5 messages

I have a project that fills a DB in the background using asyn threading when the project loads. The issue is that I have a progressbar, button, and lable that I am using to let the user know that there is work being done so at the end of the task I want to hide ...

property evaluation failed when doing quick watch

grimrob - 14 May 2009 1:18 PM - 3 messages

I have upgraded to Visual Studio 2008 and frequently have the problem where I cannot inspect properties of an object. Every property shows up in the Quick Watch window showing "property evaluation failed". This is repeatable on different machines so appears to be a common ...

Attribute wanted

Armin Zingler - 14 May 2009 12:42 PM - 17 messages

Hi, is there an Attribute that makes the compiler show a warning/hint whenver the element that carries the attribute is used? Like the ObsoleteAttribute. <Warning("bla")> _ sub method end sub should cause a warning/hint whereever the method is called. ...

how to remove a programmatically created DateTimePicker

Co - 14 May 2009 10:12 AM - 20 messages

Hi All, I created a DateTimePicker to use on my form when I doubleclick a textbox. The problem is that I can't remove it when I used it. Dim WithEvents m_picker As DateTimePicker Private Sub CreateDTP() ...

How to add control/component to the IDE toolbar

Mike - 14 May 2009 12:53 AM - 9 messages

I've been trying to create a VB.NET window control and add it to the toolbar where a vb.net form application can click, drag and drop into his form. Been reading all the MSDN docs and can't seem to find how this is ...

Saving

pregis - 13 May 2009 11:38 PM - 6 messages

Is there a way that I can save text in a textbox to the code I've written so that the next time I open the application the text is what I saved it to last time? Can you please guide me in the right direction? ...

Resizing the click area of a checkbox.

Rob W - 13 May 2009 10:20 PM - 4 messages

Greetings, I'm developing an application for people with less than perfect eyesight , thus I'm ensuring all controls are clearly visible with the problem being the checkbox. I quickly discovered the size property relates to the container housing the ...

refresh data on form

gerryR - 13 May 2009 4:41 PM - 3 messages

Hi I'm working on a fairly simple app comprising of 4 forms. On the 1st form it shows some stats from 2 txt file it links too (how many lines etc). On Form 2 it allows you to add info to one of the txt files. ...

got focus event

friend - 13 May 2009 1:13 PM - 3 messages

hi all, can somebody please help me how does the gotfocus and activate events works ?? When a subform is on the top of all forms, with what event I can change the values at runtime in that form (say for eg the values in ...

problem with RaiseEvents

Co - 13 May 2009 8:26 AM - 16 messages

Hi All, I'm trying to create an Event to get a string but I don't know how to do it. I tried several examples on the net but they don't work for me. I have a form with a textbox containing a date. ...

detect file status

Tony WONG - 13 May 2009 7:08 AM - 8 messages

my video program keeps writing videos to a folder i wish to write a program to move "completed" videos to another folder how can i detect the video file completed (not locked?) Thanks a lot. tony ...

Search for values in between two values in a string?

pat - 13 May 2009 5:13 AM - 3 messages

The subject may not be written well but what I'm trying to do is search for a value in a string by searching for its span class. The string is an HTML file so what I want is the value in between <span ...

Application development pointers

John - 13 May 2009 1:13 AM - 24 messages

Hi I have been developing vb/access but am new to sql server.Is there a sample vb.net/sql server app somewhere that I can use to pick some pointer on how to develop sql server apps in vb.net? Any other pointers will also be ...

Visual Basic 4.0 16/32 Capture Routines for .Net?

Terry - 12 May 2009 4:12 PM - 4 messages

Does anybody know if somebody has made available a .Net version of these routines? I just don't have the time right now to figure out how to do it myself. I know that there is a PrintForm component in the Visual Power Packs, but it ...

Internal Server Error 500

nak - 12 May 2009 1:28 PM - 5 messages

Hi there, I know this is an extremely generic error to be asking about but my web service is throwing it at me left right and center at the moment and I still don't seem to be able to narrow it down. ...

Vb and Active Directory

Ty - 12 May 2009 1:04 PM - 4 messages

Hello, I have a program that pulls all our PC names out of AD. I was wondering is it possible to search for a user on the domain and get the PC they are currently logged into? I am creating a intranet one way message app that will be used by my ...

Tabpage defaulting to BackColor: Transparent

Dean Slindee - 12 May 2009 9:44 AM - 2 messages

Using VS2008: I can set the BackColor of all tabpages within a TabControl to Color.Control manually. However, the next time that I change a control on the tabpage, all of the tabpages within that tabcontrol will have their ...

Running App in design environment is very slow

Young - 12 May 2009 12:37 AM - 4 messages

Hi, I am converting a VB6 app. to VB.Net. When I run the app. in the IDE, it is very very slow. If I compiled it, the speed is acceptable but still slower than the equivalent VB6 app. Can someone please tell me if there's any compile settings/options that will ...

Screen Resolution

pregis - 11 May 2009 3:12 PM - 3 messages

Good Morning, How would I be able to temporarily change the screen resolution only while the application is running and back to its original settings once the application has ended? Any help you can offer would be very much appreciated. ...