How To Design Visual Controls To Act Like Electronic Selector Or Volume Dial
Jun 2, 2010
I need to create a few visual controls to reside on my form.
1- Rotary Selector to rotate and select an option. (maybe up to 16 steps per rotation or 0 to 15.)
2- Rotary dial to act like a volume control. This actually selects a value between 0 to 255 or 0 to 1023. (is this too many steps?)
3- Bunch of selector push buttons to act like the old car radio selector? (pushing one resets the other buttons. Just like old car radios?)
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Sep 15, 2009
I've been digging around but I can't seem to find anyway to adjust the volume controls (the windows general ones) using VB .NET.Basically, I want to make a program that's always on top that allows me to changemute the microphone and the other volume values on a specific device - not necessarily the one set as default.
I got this weird feeling that I'm missing something quite simple but I simply could not find anything. I saw some media players and such but nothing similar to what I was looking for.
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May 13, 2009
I've been building controls for many years professionally and personally, but even back in VB6 days I just could not work this out. After all this time I remembered about it again.If I create a usercontrol/containercontrol and add one or more controls to the controls surface, I just cannot figure out how to access the controls at design time.
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Sep 3, 2009
So I'm a bit new to the whole Vista/7 audio setup. My understanding is that a new "mixer" is created for each application. Is there some new .Net function which interfaces with these mixers? I'm actually trying to create an application which can adjust the MAIN system volume level as well as the mute function.
I was looking at the Endpointvolume API however I cant get it to work for me :(. Does anyone have a vb.net demo of how to harness this API?
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Dec 7, 2009
I have been at it for a while and cannot get it to work.[code]by double clicking on a picture box. The Start/Stop/Pause buttons work just fine, however I can not get the volume and mute to work.I can physicaly click on the mute button and move the volume bar,but I have no control over the music volume and mute function.
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Dec 6, 2010
I Need a code to Identify Volume Serial Number and put in textbox1.text
The code should work for Visual Basic 2010
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Sep 13, 2011
I have Visual Basic 2005. I want to be able to adjust the Master Volume programmatically. In the recent versions of Visual Basic it is much easier but in VB2005 it is a little more involved from what I have read on previous posts. Is there a way to adjust the volume in the code of a Visual Basic 2005 program?
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Jun 13, 2011
I'm making a quite large database management program(well actually 3 databases) and I am going to be creating a tab page for each database and under that a tab page for each table. each database has +- 200 tables and each of those has between 10 and 50 columns. I am also gonna put controls on each tab page of a table that represent a a row of data.I need very specific tooltips, functions for each table so generating it would be to complicated for me.
I need a automated way of creating controls on design time depending on the column datatype like a rich edit, text box or numeric up or down. and a label that has the same text as the column name It should also rename the name of the control to something appropriate .This can be done using visual studio's database wizard, but last time when I was about 30% done with one database it had already auto generated more than 1000000 lines of code. When I ran my program it took 10 minutes to show the first form and I have a powerful pc.
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Aug 21, 2009
I vaguely remember something about a hotkey or menu that would group controls together at design time so you could drag 2 or more controls around and they would remain relative to eachother. You could work on something else and come back and the controls would still be grouped.
Does anybody know what this feature is called and how I can access it?
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Jan 7, 2009
just trying to confirm wat i noticed in vs2008,when developing a web app(or wat ever), in my design view, i cant select multiple controls & set same properties i.e. width or CssClass for them all at once (available in vs 2005). i dont know, was it delibrately removed by ms?
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Apr 17, 2011
Now as the title says, I'm looking for guidance on some design-time support for the many custom controls I'm working on at the moment.At the moment I'm 3 months in on a Business and Inventory management system for my mothers business. It contains many, many custom controls I had to build from scratch because the ones provided just didn't cut it for what I needed. Now one in particular is a tab page control. Just as the provided TabControl Visual Studios supply's us. It has a lot of design time control. Such as clicking the tabs and adding controls to the panels being brought to front by the corresponding tab being clicked. I had a friend of mine try to show me what I had to do, but the way I had already built my control would have made it difficult - His words, so he never officially showed me anything. If it is true what he said then I can skip that, no problem. But adding the controls to the panels during design time I must have, but cannot seem to find anything through Google searches, text books or even kids majoring in software engineering.
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May 6, 2011
I have a form-based application, that until recently displayed the controls on the form when in Design. For the last week or so, when I go to Design mode for the form, it is blank. However, the program does work correctly. And, I can see the control definitions in form.designer.vb. How can I get my form to display the controls again so I can add/move/change it going forward?
Visual Studio 2010
Window 7 64-bit OS on a Dell laptop
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Oct 25, 2010
I've been coding an application over the last few months in VB.NET 2005 and have noticed that as the application is growing in size, I'm beginning to experience some strange behaviour in the IDE.For example : I have a tabcontrol docked in a form with 5 tabs. Each tab has a panel docked to it with several buttons, text fields, layout tables, datagrids etc. Sometimes immediately after saving the project, one of the tabs will go "white" and show no controls at all. There might be the odd outline of a control ( like you get when a control is hidden behind another ) but the only way to get them back is to close the project and open it again. It seems to be getting worse as the number of controls dropped onto the forms increases. Looking in the form designer.vb file I see that there are currently around 8000 lines.Is it possible that the designer file is so large that its having trouble loading/refreshing the view in the IDE ?
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Jun 2, 2011
I'm trying to make a collection class for buttons to address them as a whole, only I want to design the buttons at design time, and not add/set their properties programatically at runtime. Each button has its own image, so it doesn't seem right to add a bunch of lines of code which assign the properties when they're always going to be the same thing.Is it possible to create the controls at design time and then add them to an array at runtime? I did this, iterating through the buttons on the form and adding each of them to the class below.The problem is that once they're added they seem to be a different instance because changing their positions has no effect on the design-buttons on the form. Essentially i wanted the collection to be a reference to the items belonging to the form.Is that possible or should I be doing this a different way?[code]
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Mar 23, 2009
I am using visual inheritance and was wondering if there is a way to change the properties of inherited controls at design time, preferably in the form designer. If not, then in the designer code. I have my control declared as Public in the base class. I can access it in the child form code, but not in the form designer. Is this just not possible?
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Oct 21, 2009
I am familer with looping thru controls like so:
[Code]....
Next I have some labels on another form, that due to the design can't be in seperate panels. They are (lblChipColor1 - 6) and (lblChipValue1 - 7). I am trying to populate the color ones from the Array above. I can obviously loop thru the array, but I can't find a decent way to loop thru just the lblChipColorx lables ignoring the lblChipValue1x labels. It would be easy if they were on seperate panels. I tried adding the labels names to an array of type string and of type label, but got nowhere with that. Is there another way to group them, or build const array of label names, that I can work with?
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Sep 27, 2007
Every once in awhile when I double click on a form in design mode (Windows Forms Application) that contains a tab control, all of the controls on the tab control disappear. I have to reopen the form to get them all back. In addition to this, the column order of my columns on any datagrid inside a tab control get rearranged when this happens. Is this a known bug and if so is there a hot fix or patch?
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Apr 8, 2011
I want to ask a question about adding controls in design time (controls may be any win form control or a user control) and adding the control in run time.
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Feb 19, 2012
Okay guys this is my first thread as well as my first dive into programming. So my question is, I want to have this design on my form that would fade from blue to black, and I have no idea how to do this. So picture a form thats blue and when you look
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May 26, 2009
Assume you have controls A, B, C, D and E all with a Visibility property. You also have states 1,2,3,4,5 and 6 in which various combinations of your controls would be displayed. Currently this is being handled by switch statements for each state: i.e.
Select Case PageState
case "1"
a.visible = false
b.visible = true
[code]....
As you can imagine, this becomes a pain as every state needs a show/hide statement for each control. How can I refactor this so that adding controls and/or states becomes trivial?My first instinct is to extend the control and add a collection of states that it should display for but this sounds like overkill.
Edit:I was deliberately vague in my question in case this has other implications. In my current instance the "controls" in question are ASP Panels. Does that change anything?
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Feb 2, 2010
How can I save the design page of the form? I can only save the code
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Jan 2, 2010
I am trying to find out how to get a particular control.In some applications i've seen they have this little control like a small text box.It has 2 little buttons on the size one for up and one for down.
These buttons change the displayed numbers higher and lower.Here, let me show you a picture:
How can i get this thing? I don't see it in the toolbox of the VB 08'
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Feb 24, 2009
I want to make a form to schedule the on and off time of equipment. & rows for seven days. 96 columns for 24 hours divided by 15 minutes. Each cell will be red for on and green for off. Click the cell to toggle the color. I know what I want it to look like. But I dont think using 500 buttons is a good idea. I am looking for better ideas on which direction to go. I am using visual studio express.
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Jun 22, 2010
I have a component which hooks up with the paint event of assigned control and draws on its surface, Whenever i make any changes to the component i need to resize the form or control at design time in order to see the changes.
I want to ask if there is any other way to refresh the contents of a control at design time which forces it to redraw.
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Mar 29, 2010
i want to build my own electronic circuit simulator which is use mathematical models to replicate the behavior of an actual electronic device or circuit. Simulating a circuits behavior before actually building it can i do that with vb.net is there any library that deal with simulation or something
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Sep 17, 2009
Im working on a small online banking project website using asp.net vb.net language with mssql 2005 database, and i need asistance on the section of electronic transfer of fund were someone can transfer fund from one account to another bank account by clicking on a button as the person click on the tansfer button, there is a visual display that the transfer is in progress too and if the transfer complete successfully there is notification.
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Apr 19, 2011
The program has 3 list boxes and the user is supposed to choose an option from the 1st and 2nd list box and add the total in the third list box, when i run the program all i get is $0.00. I was told a loop was needed, but I'm not sure where I need to put it and what kind of loop I nee
Dim Day As Integer
Dim Total, Fee, Stay As Double
Dim Workshop As String = lstWorkshop.SelectedIndex()
[code]......
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Aug 17, 2010
Boss assign me a project: Create a vb.net program for EDI (electronic data interchange). I have no any idea how to start.
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Jan 16, 2011
So now I will try to make something more complex, still playing around with this graphics thing.I want a picturebox to display a tileset (a bunch of 32x32 tiles normally used for creating game levels etc), the picturebox is inside a container (which has autoscroll ON). The picturebox is larger than the container, so the container will make scrollbars automatically.Now, I need to be able to choose a tile or multiple tiles (if I click & drag the mouse)Basically I want to draw a 32x32 "red" box over each selected tile (so the user knows what tiles are selected).So first of all, I need to know when the mouse clicks the picture. Good. It works.Now, I need to know which 32x32 tile was clicked. Well, I think I can calculate that just fine.BUT, what if the user drags the mouse while clicking on a tile? I want to support multiple tiles selected, but I am clueless about tracking what tiles were chosen.If we solve that problem, I would have another curiosity: You know the "red boxes" that tell you which tiles are selected? What would happen if I dragged the scroll bar? I need the redboxes to move along with the picture, and hide if they go to an invisible area.
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Jan 7, 2010
I'm trying to select all nodes with text that contain a certain word (ex: Company) because the word needs to have a register mark.
Here is part of the XHTML (this <p> is inside a table cell).
<p>
<strong>
<a style="color:#0E5A8B; text-decoration:none" target="_blank" href="http://www.trekk.com">
[Code]....
My goal is to just select the 2nd one, the <span> tag and am not sure why <p> tag is also being selected. If it selects <p>, but why wouldn't it also select the <strong> or <a>, and why not the <table> or <td> that contain the <p>?
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