VS 2010 TabControl In Realtime?
May 12, 2011
I have hit a brick wall with my latest project.In essence the entire tab control is created on the fly, i have successfully added any number of tabs with the tabpage title being filled correctly. my problem however is when i add the content itself to the correct page, i have no item displayed on any tabs and however i can retrieve the contents and change them with code.
My code takes a pricelist xml file from my works website and my code is supposed to allow this content to be edited and returned to the server with adjusted prices to reflect updates in our costing. All the code works except the part to display the data, and consequently the code to use this data to update the array used for the xml while the program is running is not written.
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Feb 19, 2010
i am trying to make a simple scripter. my scripter has a Run button to run the written scripts in a RichTextBox.But in new version of my program i want to make a RealTime run scripter, So don't need to a run button and scripts should process when user type in richtexbox. a way that i had used in my program is this :
On Error Resume Next
FileOpen(1, "c:windowsmagico(test).txt", OpenMode.Output)
PrintLine(1, frmMain.page_script.txtScript.Text)
[code]......
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Dec 31, 2009
i am trying to make a simple scripter. my scripter has a Run button to run the written scripts in a RichTextBox.But in new version of my program i want to make a RealTime run scripter, So don't need to a run button and scripts should process when user type in richtexbox. a way that i had used in my program is this :
ileOpen(1, "c:windowsmagico(test).txt", OpenMode.Output)
PrintLine(1, frmMain.page_script.txtScript.Text)
FileClose(1)
[code].....
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Feb 13, 2011
What I want to do, for one, is record audio through a microphone input, then play it back with only a few milliseconds delay. Maybe a way to do this would be to record, say, 200 milliseconds, save it to a temp folder, play it, then delete and repeat? I don't know. Would my idea work? Second, I want to use a VST dll file as an effect on this audio. I have absolutely no clue as to how I could do this. (Third one is optional, not really needed, but would be nice. you don't have to answer this third one) Third, I want to minimize the feedback. An idea of mine is maybe a frequency cut off, anything above avg human voice frequencies?
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Jan 2, 2012
I have developping a litle aplication that have a listbox named Mes and a TabControl named Tabelas with two Tabs.In Mes I have the months of the year.In Tabelas I have one Tab named Norm (to display data about Normal Work) and one named Extra (to display data about Extraordinary Work).All I want is, if the second tab (Extra) is selected, that the one tab (Norm) will be selected when Mes index became changed by the user.
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Mar 12, 2009
I Have a MDI TabControl in my web browser and I want to untab the tab that I drag Up or Down (Left And Right Are for reordering tabs).I don't have any codes and I have no Idea how to go about doing this so please I need a code that can solve my problem or atleast a website link that talks about this proble
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Apr 5, 2011
Am just goin on 3 weeks of teaching myself vb2010 and have found a long way to do a simple task. Well it seems it should be a simple task. I have about 12 different listboxes spread over 3 different tabcontrols. There are 3 buttons that load all the listboxes according to which tabcontrol they are in. I found that when populating the listboxes it would not clear before loading the information so it would basically double post, triple post etc. I've figured out one way to do it that I've put in a sub and call the line before the tabcontrols are populated with their listboxes. Here is the sub:
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It seems like a longwinded way to do this is their an easier way to have one command clear all listboxes within all tabpages within all tabcontrols on the form??
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Feb 21, 2012
I have a problem with summing up the number od TextBox-es placed on several TabPages of a TabControl. The next line works fine without TabControl:
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Apr 11, 2011
I have a Tabcontrol, and when the program loads it adds a tab. Inside this tab goes a panel (url, back, etc buttons to be added to it) and a webbrowser control.Problem is the panel docks to the top and when you fill the webrowser control the webbrowser goes behind the panel and not under it so the top is cut off.[code]Or anyone know how to remove the tabcontrol from the tabpages so theres a gap in-between to input this panel.
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Jun 25, 2011
In my VB application I have a tabcontrol, with 3 pages, the first page is for some contact data, the second page wil show the website of your contact and the third page shows the location of you contact (I used the webcontrol). when I switch from page 1 to page 2 or wathever, the text in my textboxes disapears en my first page. It happens most of the times, sometimes it just works but most of the time it freaks out.
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Aug 22, 2010
How i can do once I click on node1 that change to tab 3 for example
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Feb 17, 2012
i watched a tutorial on youtube, how to make a tabbed web-browser in vb 2010 and he didn't use WebBrowser tool he used TabControl.
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Nov 17, 2010
I couldt find an event that I can use to determinate which tab page is selected. I couldt find SelectIndexChanged
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Aug 29, 2010
I have a custom (inherited) TabControl which adds Drag/Drop functionality to it, so that one can drag the tabs around, either within the same control (to re-order them) or to and from other TabControls. I've noticed some time ago that my TabControl however was not raising its MouseClick and MouseUp events (or actually: it is not calling its OnMouseClick and OnMouseUp methods, which comes down to the same thing). I've been struggling with this problem for a long while and I finally figured out what is happening. I'm no closer to figuring out what to do about it though... The problem seems related to the drag drop functionality. I have this code in the OnMouseDown method (which is raised as usual):
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Jan 2, 2012
I am loading forms into a TabControl creating a new tab page each time the form is loaded. ** I would like to point out that I am using UC instead of a from**
Now, I can easily have many tabs with the same form loaded. On the form I have a 'Search Button' So my question is, after clicking the search button how can I tell which instance of the form the 'Search Button' was clicked? Hope this makes sense
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Aug 1, 2011
I'm using a TabControl and have overridden the DrawItem event to produce my own background and foreground colors for the header text. It looks good but there's still grey color around each header. I thought maybe the Padding property could be set to (0,0) but that seemed to have no effect.
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Jan 29, 2012
i wanted to make a pinging program that could send pings to websites, i have all the code written, i just cant get it to display what is going into the cmd in a text box.... The reason i am having trouble with this is because the code says " output = (process.StandardOutput.ReadToEnd)" it will only display it in the text box AFTER the code has finished....
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Sep 29, 2010
I am writing an application in VB .NET which calls external executables (written in C++)and passes them some command line arguments. What I need to do is read back their stdout outputs inealtime , i.e. as they run.I am currently using the ProcessStartInfo class and setting the RedirectStandardOutput property to true and reading it back in from a StreamReader. However, I cannot read this back in realtime. Once the process finishes, the StreamReader will allow me to
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Aug 8, 2010
I'm currently working with a project where I need to transfer the internal audio (sound from the computer) to another computer and play it back there.
I thought of transferring the audio with a TCP server-client connection since I already have the knowledge of how to do that.
My problem now is that I don't know how I would capture the internal audio and how to be able to play it back as a stream on the target computer. I have searched a bit and many people recommend using MCI but I'm not sure if this will work on an "almost realtime audio stream" connection.
So my question is: What is the best way to grab the audio from the computer and then play back the data on another computer (as a stream)? I want to do it in realtime and not "recording" the sound and then send it to the target computer.
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Jul 31, 2011
You can easily get the memory usage of the current process using workingset64 However I could not find any event like OnMemUsageChanged so I can display a little mem usage meter that displays live/real time the mem usage value. Updating in a timer every second can be done but looks inefficient. Is there anyway I can get an event or callback every time the mem usage changes ?
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Mar 10, 2011
Is there a way to detect whether the value the user is entering using keypress method is within the lower and upper limits?For example, the lower limit is 30 and the upper limit is 112 and the current value the user enter is 33 so the next digit is not allowable because it will exceed the upper limit. On the other hand if the user's current value is 11 the next allowable digit is either 0 or 1 but not above I am current using the below method to allow only numbers. Can i expand this code to meet the above requirement?
If Not "1234567890".Contains(Char.ToUpper(e.KeyChar)) AndAlso e.KeyChar <> vbBack Then
e.Handled = True 'When a wrong value is Entered
End If
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Nov 23, 2011
I have a text file that is going to store some data in this current project. Instead of having it stored on a location on the PC (like C:Test.txt) - I wanted it to be a .txt resource of the application.Using a streamwriter isn't working when I'm attempting to write to the file. This following code runs without error however when I exit the application and look at the text resource file it remains blank instead of showing "Testing".
Dim Writer As New System.IO.StreamWriter(My.Resource.TXTRESOURCE)
Writer.WriteLine("Testing")
Writer.close()
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Apr 11, 2011
I got a properties class that I send to a PropertyGrid. I want to change the [readonly] attribute of some properties in realtime. Below is an example of such a property in vb.net...
<CategoryAttribute("Graph Limits"), _
Browsable(True), _
[ReadOnly](False), _
BindableAttribute(False), _
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Apr 27, 2012
I am trying to write a VB .NET program that runs a Perl script and reads and uses the standard output. I'd like to be able to handle each line separately as it is printed, and update my program display accordingly. Here's some code I have "written" (read: "mostly copied off the internet"):
Private WithEvents pscript As Process
Private Sub myProgram_Load(sender As Object, e As System.EventArgs) Handles Me.Load
pscript = New Process()
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This works with one problem: the program waits until the test script has run to completion, and then fires several OutputDataReceived events one after the other. This means that when I make it use the real script, it's likely to do nothing for as much as several hours, and then have to deal with, like, 5,000 events at once, despite the fact that stuff was being printed at fairly regular intervals throughout that time.
Is there any way I can make it deal with each line of text when it is written, instead of all of it at once at the end?
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Sep 12, 2011
We have a reporting app thats needs to update it's charts as the data gets written to it's corresponding table. (the report is based off just one table). Currently we just keep the last read sessionid + rowid (unique combo) in memory and a polling timer just does a select where rowid > what we have in memory (to get the latest rows added). Timer runs every second or so and the fast sql reader does it's job well. So far so good. However I feel this is not optimal because sometimes there are pauses in the data writes due to the process by design. (user clicking the pause button on the system that writes data). Meanwhile our timer keeps hitting the db and does not get any new rows. No errors or anything. How is this situation normally handled. The app that writes the data is separate from the reporting app. The 2 apps run on different machines. Bottomline : How to get data into a c# app as and when it is written into a sql server table without polling unnecessarily.
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Dec 14, 2011
I am working with a very simple (so far..) little program where i use som trig to create a circle using pixels created vith the Ellipse-comand "(x, x, 1, 1)" etc.
But I want to se when the graphics is drawn, just not the finished circle, how do I do that?
I use the "Paint" version of the form. I am a beginner so excuse my poor skills. Shouldn´t this be a very simple little problem?
I work with Visual Basic 2008 Express
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Mar 19, 2012
currently i am working on a project to help our customers troubleshoot our products, our products have the availabilty to be access via telnet, i can use the top command to show
top provides an view of processor activity in real time. This utility reads the status for all processes in /proc each <seconds> and shows the status for however many processes will fit on the screen. This utility will not show processes that are started after program startup, but it will show the EXIT status for and PIDs that exit while it is running.
I am looking to but this into my project in real time and show a graph do you think this can be achived ?
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Mar 13, 2011
I need to make an application that plays the microphone line in the same time I speak to it, somewhat like an amplifier, so I can talk to the microphone without recording and my speakers play that sound at the same time! Its pretty difficult for me because I am really new at this type of applications and off course I don't have any idea about microphone line in volume control coding too!
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Apr 30, 2009
how to draw in realtime? I have this code in a timer:
Dim picBoxWidth As Integer = PictureBox1.Size.Width
Dim picBoxHeight As Integer = PictureBox1.Size.Height
Dim halfWidth As Integer = PictureBox1.Size.Width / 2
Dim halfHeight As Integer = PictureBox1.Size.Height / 2
[code]....
this would draw a graph, and when x has counted to 1000 it should start again. The center cross is written, but no graph.
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Feb 28, 2011
i need a little advice/help here. There is a particular scenario that is coming up and I am clueless as to how to go about it."I will soon have a lease line through which I will get realtime stock market data. This data will be available every second and it will contain prices of stocks. Now assume I am able to get that data on my local computer. How can I transmit data so that users can get that data through my software.
For e.g. assume it's 11 AM. Now if you select a stock e.g. Google, then my program should fetch data for google till 11 AM and also show new data every second or so with minimum lag. Something like a terminal where you see stock prices getting updates every second. In my case I need to get past data and show current data which get updated at short intervals."
Now I have a linux vps webserver which hosts my site. (I get one or two static ip free) What to do so that data goes from my local computer to my server and then my program (developed in vb.net) is able to get it and show it to end user. This whole system should such that its fast (real-time) and delay is minimum.
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