How To Catch Application Titlebar Change
Apr 1, 2011
We are running on a Windows Client Platform (generally WinXP) in niche industry program that runs in a 640x480 window back to an AS/400 server. To reduce errors I want to watch for when the title bar of the program changes. Then I need to capture the keyboard entries to validate. I'll then make sure each of the entries is valid since the archaic program does no validation. I'll can then do a pop-up then warning the end-user if errors occur and to reduce/eliminate the exception reports.how can I capture the event of the application title bar change = 'string' that I need? API call? Aiming to do this in VB unless another would be notable cleaner.
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Sep 17, 2009
I am putting two questions in one thread. I am using VS2008 Pro.
1- Why my application stops running when I 'Click and hold the left mouse button' and resume after releasing the mouse button on Titlebar? i.e. why this happens when I grab the title bar? How can I avoid this so that my application run regardless if the form is moving or title bar is grabbed with mouse while debugging?
2- I want to make one button to pause the whole application then restart the application from the point where it stopped.
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Nov 30, 2009
I want to catch mouse cursor change event in vb.net. for example, If i place the cursor in textbox then the cursor will change as IBeam. I want to capture when the cursor changes using vb.net.
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Oct 14, 2010
What I want to do is change the default Try Catch template so that includes the basic error handling code that is required by my company. I have tried to find the place where we can change this, but I only appear to be able to find out how to do things like change the class template and things like that rather than bits of code.
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Jul 20, 2011
I was wondering if it was possible to change the default variable name that shows up in the auto-complete for a Try-Catch block. It populates as:
Try
Catch ex As Exception
End Try
I want it so it populates as:
Try
Catch excError As Exception
End Try
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May 1, 2011
In visual studio when I type the word try it automatically adds the catch and and try for me.
I want to add after the catch something like Msgbox(ex.message)... I'm tired to type the same thing over and over.
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May 31, 2011
What is the best practice to use Try and catch in an application?Does it make sense to use it for each Sub or Function?
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Sep 8, 2010
I have written another windows application A. I then use another application B using process to run the application A. My main problem is to catch the error generated by application A so that application B can then perform some actions.
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Dec 30, 2011
where do i have to put the Final single Catch and Try in my application to make sure that any possible errors is intercepted (even on other thread) ?
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Jun 12, 2011
In my code I am trying to come up with the following messages using a try/catch Unhandled exception has occurred in your application. If you click continue, the application will ignore this error adn attemp to continue. If you click Quit, the application will close immediately.conversion from string """" to type 'integer' is not valid Warning Icon followed by 3 buttons one that saids the DETAILS, another for CONTINUE, and one for QUIT.Here is part of my code. I did use Try/catch correctly, but it doesnt say the message the way i described it above ..
[code]...
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Mar 25, 2011
I have a program in VB.Net that receives mails from Outlook, extracts attachments and inserts the attachments into a table through a query. I would like to put the query/queries in a Try/Catch block, but cannot do so as Outlook exceptions cannot be caught, and it gives me an error, and unless I put a very specific exception, I cannot catch it. Is there a workaround?
Edit:
Try
Catch ex As Exception
End Try
Exception is underlined and when I hover on it, it says: "Catch cannot catch type 'Microsoft.Office.Interop.Outlook.Exception' because it is not in 'System.Exception' or a class that inherits from 'System.Exception'". This is affecting all my other code which I'd like to put into a Try/Catch block.
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Jun 19, 2012
The following code causes a "Warning" that Variable is used before value assigned.How do I restructure this Try/catch to eliminate error on the myreader.close command in the Catch part? Code appears to work fine but I dont like Warnings. [code]
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Apr 1, 2011
i have problem when i click a ADD button, there is one null value in the textbox .. so the try catch statemnt is to catch that null value error but after that the catch is success but the button click never stop excute the statemnt till the end of the button event.
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Mar 4, 2009
I have this scenario: in a Sub I have a Try...Catch statement.Within that Try..Catch I call another sub.In that 2nd sub is also a Try...Catch.(see below for example).Now if an exception occurs in the 2nd sub's Try...Catch, which Catch gets excecuted? The 2nd one, the 1st one or both?
Private Sub sub1()
Try
..do stuff[code].....
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Jun 2, 2009
If I throw an exception from within a catch, does the finally (from the catch) still execute? i.e.
Try
..some code with an exception in it...
catch ex as Exception
throw new SpecialException("blah blah" & ex.Message, ex)
[code]....
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Apr 2, 2011
I have an assembly containing a number of classes. This is a class library type assembly, not a windows forms application. It's also single threaded.Is there a way to catch all un-handled exceptions so that I can log them?
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Dec 4, 2009
I have a console application (VB.NET). When it is started, it spawns worker threads to find work in the database and do the task, then look for the next task (A workflow basically).
The problem that I have is that I have my Event Handler in the main thread that spawns the worker threads. Those workers, if they error, raise an event to a public delegate. However my main thread is not detecting these events, and I cannot figure out how to make it. My intention is to do all logging (text/database), email alerts, and restarting the worker to find another task that is not errored. (This will be expanded in the LogErrorMessage routine and such, for now I am just keeping it a simple Console.Writeline so that I can see if the method is being fired or not)
Here is the code around what I am trying to do:
Logger Class:
Public Delegate Sub LogDelegateError(ByVal Ex As Exception)
Public Class EventLogger
Public Event EventError As LogDelegateError
[Code].....
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Jan 23, 2012
I need to catch log4net exceptions (its own exceptions not app exceptions logged by it). I wish there's a way of doing it this way: [code] I have this code implemented and there's no errors in compilation but i force log4net to have an error (pointing to a non existing database in the config file) and nothing is threw.I've tried the listener aproach: [code] and it's writing the errors to log4net.txt, the forced ones i mean.This last aproach has a couple of drawbacks: it won't append every error to the file, if the error is the same it doesn't write it, i can't get the listener to write every error to that file, only one (I don't know how to fully configure the trace listener, it might be that). Thus it won't append the date and hour to every line wich is a necesity for me. Finally i can't give structure to it (xml). Even if the listener work i need to use the try/catch aproach, since i'm using ExceptionHandling from Enterprise library to log the errors in my app.
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Feb 12, 2010
I am using VB.NET 2005 to create a Windows forms application. I have a procedure named SendMail that creates an instance of Outlook.Application, to send an email from my application. I found the code on this forum, I think.The procedure works fine, but I can't use error handling with it.I call the procedure from a button click event. I put the procedure call in a try/catch block, and the application won't build, with the following error.
Error 68 'Catch' cannot catch type 'Microsoft.Office.Interop.Outlook.Exception' because it is not 'System.Exception' or a class that inherits from 'System.Exception'. C:datadevdmtiQTSQTSv7_1_20100212wQTSQTSReportsCriteria
pt_frmReportViewer.vb 43 21 QTS
Here is the code:
Sub SendMail(ByVal sFile As String)
' Create an Outlook application.
Dim oApp As Outlook._Application
[code]....
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Jul 24, 2009
i am using vb2008 express edition and i was just wondering if it was possible to put the tabs in the titlebar of your form like in google chrome?
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Jan 30, 2009
Having opened cmd.exe by using a process, how can I now open it without a Titlebar or borders?
hrivate Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim p As New System.Diagnostics.ProcessStartInfo
p.FileName = "cmd"
proc.StartInfo = p
proc.Start()
End Sub
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Jul 21, 2010
The title of our forms is Company Name - Application Name - Form Name This makes selecting the form you want on the TaskBar a bit difficult since the Form Name is not shown. We would like the TaskBar caption to be Form Name - Application Name - Company Name or simple Form Name From my searches, this CANNOT be done except by using an invisible form that displays on the TaskBar which calls the visible form that does not display on the TaskBar.
[Code]...
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Mar 4, 2010
I want to make my vb.net windows application titlebar trasparent as like vista's windows titlebar. if i code me.opacity than it will make whole form trasparant but i want to make only titlebar transparent.
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Apr 8, 2011
I was wonder how do I get a button on title bar using vb.net
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Mar 16, 2010
I was wonder if anyone knows how to add additional buttons to the title bar. Please, Don't go to too much trouble, Just if you know a link to this or know how to do it. I did find This. But, I would like to have something like shown in this Image:
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May 27, 2011
Does anyone know how i would go about adding a control (a button) to the windows title bar area?Sort of like firefox does.
I'm doing this so i can remove the Toolstrip Menubar at the top of my application to give it my "working area".
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Jul 5, 2010
Ok my form is titlebarless but i want the user to be able to click and drag it to whereever on screen. i found this in VB6 can anyone convert it or do you have another solution??
Private Declare Function SendMessage Lib "User32" _
Alias "SendMessageA" (ByVal hWnd As Long, _
ByVal wMsg As Long, _
[Code].....
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Oct 7, 2009
I have created a form containing a text box and a button. i would like to know if it is possible to embed this form in the title bar of the current active window that is opened eg: ie,notepad,word this is so that i can enter a word in the text box and use text to speech to say it or highlight a word in the active window and it will be placed in the text box of my form. i can position the form in the top right location but then the form position is stagnant.
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May 26, 2011
I cannot begin to explain how often I have tried to remove the Maximize button from the top of my form window.. I know that it can be disabled via properties, also that it can be removed if I disable both the maximize and minimize buttons, BUT I need the minimize button, just not the maximize button
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Dec 28, 2011
For my own personal use, I'd like to code an app that disables the icon on the upper left of the window titlebars and in the taskbar of ms windows. This is how it should look when it's done: [URL] (this little autohotkey script is broken in win 7). Is this is feasable in vb? If yes, how do I communicate with the win os? Maybe get a list of active windows and redraw them and the taskbar after replacing their icon by a blank one in memory?
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