Building An Application Which Uses Multiple Screens?
Jan 12, 2012
In the very near future I'll have to develop an application that uses multiple screens.
So I'll give you a practical example:
I have 4 screens where different pricing infomation is being displayed. At any given time, I have to show a Promotion which is a single image that needs to be displayed across all of the screens with text scrolling across the screens.
Now I'm wondering what the best way would be to achieve this.
At first I was thinking of using one form and to stretch it across 4 screens, while I create 4 'areas' on the form that represent a screen. However when you extend a form this big I'm afraid the text is going to look horrible.
Then I was thinking of using 4 forms and split up the image into 4 different images which are displayed on the different screens. However to get a scrolling text right on 4 different forms, that's going to take some trial and error.
how I can achieve this form of digital signage?
I want to use VB.Net unless this would seem impossible and I have to use other software?
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Aug 29, 2008
I am using VB 2008 Express: The template forms for splash and about screens have a background image
consisting of 3 circles (orange, green and blue).I would like to use this image throughout my app,
but can't find it anywhere.Does anyone know where this is located in the visual studio program
structure?
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Jan 25, 2012
How can I check if a computer has multiple screens?And is it possible to move form to other screens aswell?
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Aug 23, 2010
I have an application that consists of about 4 screens. Screens can be changed by clicking on buttons or via menu item. I use about 16 to 17 tables in all for all 4 screens. I've publised the application and it works fine except that it takes about 1 1/2 to 2 minutes to launch the application using the setup file that I save onto my PC. If I get lucky, a little over a minute is already fast for me. What can I do to help speed up the launch time?
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Sep 18, 2011
In my project is a form called "Secondary". It is suppose to appear on any and all screens (if any) other than the primary screen. The following code seems pretty logical to me, but Secondary is not appearing on any screen.
[Code]...
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Apr 7, 2010
I have been working with Visual Studio 2005 for about a year and a half but the deployment task was never left to me. So now I'm being asked at my company to build a setup which will prompt to install up to 4 applications, which can be chosen by the user using checkboxes.
All of the 4 share the same dependencies, so I created a merge modules package for that purpose. But I still don't know how can I build a single setup to install these 4 applications.
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Aug 26, 2009
Alright im trying to change my application name to Game1. I changed all the properties and i still cant find why its still showing this.
[IMG] [URL]
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Jun 21, 2010
I am doing a project on the CRM application which sending and receiving sms using the vb.net language. I am no where to conclusions of my project because I could not build the application. I have found many examples but the problem some of the examples some uses the sms gateway or the AT commands. I could not differentiate which one to use? I have a dateline to finish this project of mine.Most of the example does not look like a CRM application.
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May 17, 2010
I was looking to build a Data Access Layer for my new web based application, I'm using ASP.NET. I'm want to build a framework not only for this application but also want to utilize it for my future projects.
Actually my main aim is to make a framework, from DAC, DAL, BL to GUI. I want suggestions from you guys that what should i adopt, what give me flexibility, which suits for both small and large size applications.
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Sep 23, 2009
I am building an application with VB 2005 with sql server. I am using a listbox to populate items from the database. The listbox Sorted property has been set to True and also the query uses order by clause on the Name field. The items in the listbox look like
Bean
Began
Cat
Category
Detail
Delta
MY problem is when the user tries to select an item, say Detail, having focus on the listbox, when pressing the keys D the item Detail selects but on next key e, it goes on to the Item starting with E. (in vb6 listbox property Sorted = true would solve this problem, which i am not getting with vb 2005/2008)
So, how can i achieve the multiple keypress on the listbox (without using any textbox to select items) to select the typed items in the list.
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Apr 9, 2011
im building a application that plays internet radios, and im stuck at one place, so i want it to be possible for the user to be able to add their own radio stations, i have a form for that, has; text boxes for the; name and for the URL, and a button to save it to the listbox called "User Radio's", now here is the problem, should i use a database where i store the preset radio's + where the user will save their radios or how exactly do i save this? i also need help with playing the radio station that the user saved in the listbox, and how will i play the preset radio's that are saved in database, populate the listbox from the database?
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Feb 8, 2011
Building a large application using 3 tier architecture in vb.net. Question: I am a vb.net developer. I have developed small and medium size application with 2 tier architecture. Now I am going to develop a large application. I have decided to develop that application using 3 tier architecture. So I studied about 3 tier. Now I know how what is 3 tier and how to develop a simple application. And also I studied about .Net Remoting and Web services. In my project, 7 modules are available. Each module has 3 layers. How can I manage in a Single Solution?
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Jul 15, 2010
I want to build an application that checks every second for certain windows and then react according to that.
My Goal:I'm building the application for a pc in a Students Home with about 10 users. To create 10 different user accounts for windows will be annoying and crowded, because new people come in every year(or couple of months) and then old accounts have to be deleted and new ones created.
I want to build an application that accepts folderPaths or window names.Lets say user1 creates a folder with the name "Susan" that she wants to protect (her personal files/picture/work will be stored there. She opens the application, selects the folder. The application saves the folder path and her password that she enters.
If the application detects that a user is trying to open/move/delete/copy/whatever that folder, the app must pop up a password box. Correct password gives her the freedom she wants, wrong password just ignores the open/move/delete/copy/whatever command.
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Oct 2, 2010
My new office project is based on an MVP design and is in VB.NET (.NET 3.5), using multiple libraries (like EntLib, internal corporate framework, etc.). The number of DLLs used as references is so huge (almost 50) that when I try to build/debug the application in VS2008, it takes almost 3-4 minutes to get the website running successfully.
Wanted to know if there are any settings/areas which upon some modifications can help me reduce the build time? and what exactly can be the major reasons behind this long loading duration?
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Mar 22, 2009
I use VB 2005 Express @ home for developing stuff. I am wondering if anyone knows how to run a script automatically after building my application. When I click build I want it to compile my InnoSetup installer and also zip up my executable + readme.txt file into AppName-version.zip. Right now I manually do it, and it's not that big of a deal, but if I am just wondering if it's possible. I think I can do it with full VS, so I will check it at work, but I am wondering if I can write a plugin or something if VB2k5X doesn't have an option do it already built in.
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Nov 9, 2011
how to work with distributed application in vb.net that automatically stored data into server? How to configure to ensure the consistency of data being stored.
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Oct 2, 2009
Currently working on a web-service with Oracle10g as back-end. Here is my problem.
1. The table I need to populate has 100 columns. I have no control over the design of the table.
2. I wanted to use the "deriveparameters" method of OracleCommandBuilder, but found out that this is "costly" in terms of performance. What I initially planned to do was to derive the parameters from an open connection, close the connection, then maybe cache the parameters obtained but I don't know if this is possible.
I am unsure how big of a hit the performance will get if I continue using the "deriveparameters" method WITHOUT caching the parameters driven. The environment is as follows
-intranet
-around 2000 users
-users spread out in different parts of the country
I am not familiar where they will put the web pages of the application, the web service and the database. I don't know if they'll be putting it in different servers or on one server, but that's something we cannot control too, that's why I am looking for the best approach.
I just don't want to hard-code all that parameters and if, for instance, we need to change some properties/parameters, it will be a pain to maintain the code. It would be nice if someone here can point a way to automate the whole thing w/o the performance of the system taking a hit.
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Jul 22, 2011
I designed an application to download a file from the Internet onto a selected location on the local computer. This application too, has a form-building error.Debug Error Message: An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object.
[Code]...
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Jun 22, 2011
've got a function that takes two parameters (a delegate and an integer) and then creates a LINQ MethodCallExpression, which it uses to gets the results:
Public Delegate Function CompareTwoIntegerFunction(ByVal i1 As Integer, ByVal i2 As Integer) As Boolean
Public Function Test(ByVal pFunc As CompareTwoIntegerFunction, ByVal i1 As Integer, ByVal
[code].....
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Dec 17, 2009
I am making an application that uses multiple WebBrowser controls, and multiple proxies.The code for changing the proxy settings are as such:
#Region "Proxy"
Public Structure Struct_INTERNET_PROXY_INFO
Public dwAccessType As Integer
Public proxy As IntPtr
[code]....
Note: getRandomProxy gets a random proxy from a list.Problem is that whenever RefreshIESettings(getRandomProxy()) is applied, the proxy will be applied to all of the WebBrowsers, while i would need to have a unique proxy for each WebBrowser. Not having this would just error out the page in the other browsers and so on.
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Mar 15, 2011
I am currently building a "program launching application" for personal and home use.Basically all it does, is have a toolbar for example File, Edit, Run, Programs ect....Run will bring down a list of common command prompt buttons which then, once clicked, will load cmd and input said code.
Example
Under run > cmd > IPconfig/all my code is as follows:
Private Sub IPConfigurationDisplayConnectionConfigurationToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles IPConfigurationDisplayConnectionConfigurationToolStripMenuItem.Click
Dim Command As String
Command = "ipconfig /all"
[code]....
I know how to make a progress bar, but.... how do I get it to show progress on opening adobe reader?
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Aug 20, 2009
I am aware of the Screen class, but when trying to use Screen.AllScreens[0], I get something like .Device1. Instead, I'd like to have my screen's name, something like HP 24' something.
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May 6, 2011
I often use VBA to automate internet explorer and interact with web sites.I can find links on regular URLs I navigate to, fill in forms on them, etc.But I don't know what these types of windows are that come up or how to get a hold of them to click links on them or enter text in their forms if there is any. It comes up then grays out the screen it came from. It looks like its some java popup or something. I'm not interested in the site this is from, its just an example of one to show what I mean. I've been searching and looking but can't figure it out.
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Feb 11, 2011
I have 2 screens, and 2 forms. I want each form to fill a screen, so I did the following code:
s = Screen.AllScreens
f1.Bounds = s(0).Bounds
f2.Bounds = s(1).Bounds
(s(0) is my primary screen, and s(1) is above it.) F1 fills s(0), but f2 does not fill s(1). The size of f2 is set correctly but the location is set to (50, 0) instead of (0, -1024). Maybe location won't accept negative numbers? If so, how can I get my form to the other screen?
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Jun 25, 2010
I want to develop a score card to s small stadium it will have 2 42'' LCD i one lcd i want to put the team's name and score
the lower screen i wan to to elapsed time, remain time and first or second time is it possibel Visual basic 2010 (visual studio 2010 Pro), to display on form in one screen and the other form on the other screen
It must be to setup, so that the user does nothing but to put the name of the team's, the the score?
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Nov 24, 2010
for a test project that i'm doing i am looking for ways to program a LED screen. I ordered a few LED screens (320x160) that can be connected together). Using a special controlcard the whole thing can then display text etc. Using the software that a Chinese supplier gave me. All the above works fine. But I am depending on the software I have. I have VB.Net experience and I would like to put the software aside and write my own software. I would like to set up the COM connection and tell what LED to activate.
Problem i'm facing is that the chinese cannot provide me good use of the software dll files. I need a small Vb.net program that does the above. Would somebody be able to figure out how to do this.
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Nov 21, 2011
I have a PC with four LCD monitors attached, but often I leave it unattended and need only one monitor running. I've set up power strips so that I can flip one switch on a power strip to turn on or off the other three monitors. The problem is, when I turn off the other three monitors, the computer makes the disconnect sound every few seconds. you can go into Control Panel->Display->Change display settings, and under 'Multiple displays' disconnect the monitors you are not using, and them reconnect them when you need them again. However, this is time consuming to do manually.can I program this in VB .Net, i.e. is there a Class or some registry keys that I can use to connect or disconnect monitors the same way as through the Control Panel?
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Sep 20, 2011
Private Sub Resizescreen()
Width = Screen.AllScreens.First.WorkingArea.Width
Width *= 2
[Code]....
I am using this to size the screen to two, but not sure how to be able to tell if it is a multi monitor display.
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Apr 13, 2011
I am writing a program that tests our hardware write blocker units.When i send it the command to delete a text file on the device it should ONLY respond with my error message coded with a try...except statement.However the error message seems to be coming from windows 7 when it says "The disk cannot be written to becuase it is write protected. Please remove the write protection from the volume POCKET in drive F:" then it has the buttons Cancel, Try Again and Continue. If i click on Cancel or Continue then my error message comes up.Is there anyway I can suppress the "The disk cannot be written to." error message in Visual Basic 2010?
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Jul 26, 2010
I'm building an application that essentially attempts to fill up all of the user's screens with a maximized form. On most machines this works. I'm simply using My.Computer.Screen.AllScreens enumeration to get a reference to all the user's screens (assuming a multi-screen setup). I'm then using the following to set the forms:
[Code]...
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