Making Log In Screen Appear Only Once?
Jan 21, 2011
I'm trying to bullied a simple cheap software to rise money.Any way, I managed to make a serial login form but the problem is I need it to appear only once pear purchase, meaning as soon as you enter it once, it will be saved and the login form wont popup when the program gets started again on the same PC. Here is my code so far:
ic Class Form11
Private Sub Form11_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
[code]....
Also, how can I generate more serial codes?
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Apr 20, 2012
I am trying to make it so when a user logs in the code can tell, if they are a user or not, if they are a user, then if they are a teacher or not. I have SQL in there to identify if the person is a user or not, but it won't bring up an error message if they aren't. And if both the users logging in are not teachers they are still able to view a screen they are not meant to.
[Code]...
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Sep 17, 2009
I am making a calculator-like program, and would like to make it so that it is always the front-most form, even when another program (like Firefox) is clicked. While Firefox is the active form, my form is still up. Basically, I'd like to make the form like the on-screen keyboard; it never really minimizes unless you specifically tell it to.
[Code]...
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Nov 18, 2010
making a screen recorder. make it take a screenshot 15-30 times a second, and for each shot there will be a text file that will say the location of the cursor when the shot was taken and what the cursor was, like loading or whatever. Then when the user presses save, it will take all the shots, import the cursor in each one and then create an AVI using each of the frames that were initially shot. Another better way would be to take a screenshot with the cursor in it, if thats possible.
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Oct 12, 2011
I'm making a splash screen and i want it to go after 5 seconds? what is the script for waiting?
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Jun 18, 2010
I need to make an on-screen keyboard for a touchscreen application. I have my main application popping up a child form that shows my keyboard layout. When I press a key on the keyboard form I need it's value to go into a textbox on the main form. So how do I send a keys text value back to the main app?
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Mar 25, 2011
I need to create a login page as part of an assignment. Problem is, I don't have access and I'm not sure which other programs can be used as alternatives. I am hoping that it's possible to create the login screen using only a If...Then...Else Statement. If it is possible, I'm probably going about it the wrong way, as it skips the first two conditions and goes straight to the 'Else'.
Private Sub OK_btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK_btn.Click
Dim Message As String
[Code].....
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Jun 22, 2010
How can I maximize the windows and make the objects fit the screen also growing?
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Jul 18, 2011
I have a combo box on few of my vb.net 2010 programs. The end users that use my program have touch screens and they have a hard time making selections on the combo box. I have an Android cell phone and when ever there is a combo box it will open another screen and making the selection is a breeze.
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Jun 29, 2011
BTW this issue occurs in any MS office program when the VB.Net (or even VBA) is processing information.Example: In Excel, a worksheet is displayed on the screen. I start either, a VB.Net or VBA procedure and within 30 seconds the Excel worksheet (previously displayed) blanks out. In both VB.Net and VBA,ScreenUpdating = False. My expectation is that the previously displayed screen would stay static as if I left my desk to get a cup of coffee; came back and the same ole Excel worksheet was still there?Of course, setting VBA Screen Updating = False accomplishes two goals: 1) speeds up processing and 2) saves the user from seeing unnecessary "garbage-processing" steps.Why does VBA or VB.Net ScreenUpdating = False not freeze the screen at the time of its invoking?
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May 16, 2012
I'm a huge music person (got my own lil record thing going) but I'm wanting to design a program that would make music in my way. I have a decent amount of background knowlege of Visual Basic and Java I'm just wondering how could I execute this whole project. The Project is making a MPC Sampler. MPC is a drum machine; a machine with buttons that once you press it that it will play a sound from a drum (ex: snare, kick, tom, ect.) . So I would want to make some pads on my program that each have their own sound. Total of 16 pads. Which the design wouldn't be hard to make nor would the functionality of it having the play back sound (in my opinoin it wouldn't be hard atleast). But the thing is I wanna map out these pads to number keys on the number pad or keyboard. I'm not so sure how to do that. But that's all the easy stuff...
Also finding information is making a sound directory. What I mean by this is that I want to make a User Interface that will open up a file directory of sounds and the user can select what "kick" or "snare" sound he may want for the kick or snare pad. I don't know how to do that or even know what to search; neverless I don't know if this whole project idea is a good idea for Visual Basic or another programing language.
Also LATER ON I am wanting to add a record and export function that alows users to..well...record and export their beat or instrumental ha. That doesn't seem too too complex (mainly due to the fact that all it needs to do is record the users key strokes and then show them and play the sounds, but obviously it would get more complex than that.)
Here is an image of one of many MPCs but one with a directory - [URL]
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Jul 6, 2011
Currently I have the following VB.NET code to make a screenshot of my desktop, but it only takes a picture of the active screen:
Public Function SaveScreen(ByVal theFile As String) As Boolean
Try
SendKeys.Send("%{PRTSC}")[code].....
The following code is how I execute the above function, if it makes any difference, which I don't think it does:
SaveScreen("C:Lexer_tracescreen.png")
Now, I need to be able to take a picture of the entire screen, not just the focused window.
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Feb 2, 2012
Now I'm creating at app in VB (Microsoft's, Visual Basic 2010) which will be in full screen but I want to know if I can put all my content in the centre of the screen. At the moment it's at the far top, left of the screen. When the screen size varies I want it will stay in the middle for all shapes and sizes. Like :
<div style="margin: 0 auto; width: 500px;"></div>
But this is for web pages using HTML and CSS.
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Feb 29, 2012
I'm trying to get coordinates on my screen by holding down my mouse and placing it over different parts of the screen. I'm using the mouse_up and down events in a button to kinda simulate the mouse being held down. The problem I'm running into is that anytime I go past the button's bounds, the coordinates I want stop. This is what I have so far:
[Code]...
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Sep 6, 2009
Sometimes when updating the entire screen or moving around controls etc, there is some fairly bad screen flickering.
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Feb 8, 2011
I have created a GUI and have set my 'Form1' window to match that of my PC monitor ( 1280x1024 ). However when i move the project to work on my netbook, the screen on my netbook is only 1024x600 and half my GUI is missing. Is there any way i can adjust my settings so that my 'Form1' GUI will auto adjust and display in full on both screen when i move the project back and forth?
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Dec 20, 2009
I'm coding a splash screen in VB.Net that displays for 3 seconds then shows a login screen. But the splash shows up even when login shows and I have told the splash to hide. Here is my code:
[code]...
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Jul 1, 2009
I send a message a while ago and no one answerd, how can I draw directly on the screen (not on a specific window) just on the screen, neither if it's on the desktop or anything else.Is there is any option to bring up the switch between applications window (Alt + Tab), I don't want to use sendkeys because the user need to keep the key down and I just want the user to select the application with his mouse.
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Jun 23, 2009
im about to develop a small appliacation for a bet system, which needs 6 screens, each screen will be a touch screen for each client... the application will be running in one computer only just with 6 screens. my question is does anyone knows how to control each screen separately?. somethign that would allow me to output each forms in different screens would work fine.
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Feb 18, 2010
I am making a program that will put a black mask over an application (like a full screened game). This black mask will fade in and out, depending on certain criteria. Is there a way I can do that with VB? It's to help me dim my monitor without having to push anything.
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Aug 20, 2010
I wanted to make a screen recorder (not screen capture) program, but I am not entirely sure how to get it started. I have seen many videos and things on how to make one, but all of these just take multiple pictures and then don't compile them into a movie file, and I don't want to take many pictures (unless that is the only way possible.) I am using Visual Basic 2010 Express and I have looked at the Windows Media Encoder, but I can't seem to figure out how to use/implement it (yes, I have downloaded and installed it.) Maybe I can use some kind of ActiveX control?
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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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Sep 30, 2009
How can I get my screensaver to fill the whole screen. it has in the past but, just quit working several months ago. I have Windows Vista
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Mar 28, 2009
I have a button btnRegEx that when pressed shows a ContextMenuStrip, similar to the '>' button in the Find/Replace dialog in Visual Studio when you are using Regular Expressions. I have a ContextMenuStrip cms which I show using its Show(x,y) method.
At first I was simply setting x and y (the location of the ContextMenuStrip) to some point next to the button, but I noticed that when the button is close to the edge of the screen it goes off screen. I wanted to prevent that so I built some logic into the x-y calculation. When the ContextMenuStrip width is larger than the 'remaining space left' I simply show it more to the left. Same for its Height of course. I am using the Screen.GetWorkingArea(point) method to determine the 'remaining space left'. As I understand it, it returns the working area closest to the point you specify (to which I pass the button's location).
As long as I stay on my first monitor, it is all working perfectly fine. The problem occurs when I move the form to my second monitor. The contextmenustrip is still showing on the first monitor for some reason...
Here is the code I am using:
vb.net Private Sub btnRegEx_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRegEx.Click
Dim p As Point = PointToScreen(New Point(btnRegEx.Left, btnRegEx.Top))
Dim x, y As Integer
[CODE]...
I have noticed that when I click the button when the form is on the second monitor, the buttons location (p) is calculated with the first monitor's top-left corner as (0,0), even though it is on the second monitor. This way, the GetWorkingArea function returns something like 1280, while the buttons x-location is something like 1700... So, how do I get the buttons coordinate relative to the actual screen it is on, rather than the entire dual monitor screens as a whole?
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Oct 21, 2009
I am in a dual monitor environment. I have developed an application using VB.NET 2005.When I start my application, the splash screen always displays on the monitor where the mouse cursor is at, even if it is not the same monitor that the login and primary form open on.
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Feb 11, 2011
VB.net / VisualStudio8 I have an application I've written that's been very stable. I had it set to exactly 1024x768 resolution, and to windowsstate=maximize (I think that's what it's always been).
I recently started coding to give the user the option to use the 1024x768 or to have the program detect the max size of the screen and use it.
That part works great... I'm using:
Dim MonitorWidth = Screen.PrimaryScreen.Bounds.Width
Dim MonitorHeight = Screen.PrimaryScreen.Bounds.Height
Me.Height = MonitorHeight
Me.Width = MonitorWidth
What I'm baffled by is that the application now won't get off the max screen size. It's using the max of the screen, even when I do not call the screen resizing code above. I'm trying to give the user the option of the application only taking up 1024x768 (and placed up to the top left) or maximizing the application using the full extents of the screen.
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Apr 27, 2009
Is there any way to invert the screen. For example, making upside down or having mirror effect?
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May 14, 2010
I have a webpage developed using VB.net when i run the webpage in different screen resolution i see some blankspace left in the right side corner of the screen(webpage).
want to know the solution to make the screen look fit in all screen resolutions..
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May 1, 2011
if there was a way to print screen certain dimensions of the screen. Like if I were to assign a short cut(F2) in the menustrip and it was to print screen those dimensions.
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Dec 7, 2011
i am developing one application for which i want it to stick to the edge of the screen when dragged near screen edge.
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