I am working on enable my web application to start and view my webcam I reach a good point, sort of, but still facing manay problems, I am going to paste the code that I have obtained over the net[code]....
View 7 RepliesI want to have a go at creating a webcam application, that takes pictures and eventually records video's.This is a purley personal project, its something I have wanted to do for ages. The problem is I am not sure how to start this project. For instance what control can I use on the main user interface to view the picture from the webcam. Also, do I need drivers for the webcam in my code??
I have started the application with the obvious, I have the user interface designed, again not sure what to use for showing video in the UI, would a picture box work??
I have a logitech webcam that I use to take pictures of customers to submit to a server/database. Utilizing AVICAP32.DLL calls, I was able to modify my VB.NET program to take these pictures via a button in my program.
My question is, it would me more convenient to my intended users to click the webcam button, instead of clicking on the button in my program.
Is this possible to do in VB.NET? and how can I do this?
If this is not possible to do with my logitech webcam than is there a Microsoft Webcam that can do this?
how to use webcam in a form in vb.net, pls provide me the sufficient information
View 1 RepliesUnder Options/HTML Designer/General There is the option of starting pages in either Source View or Design view. I'm now doing Windows Forms and when I open a vb page it is usually to do something to the code. I would like the page tp open in Source View but cant find a similar option for Windows Form Designer.
View 2 RepliesHow can I get my application to load the Sub Main at the start rather than loading a form on start up.
I have tried declaring 'Public Sub Main' on my forms and in some modules, yet in my project properties, it is not one of the options.
i have datagridview populated with stock code, name and description.And i have docked my datagridview to the bottom. so whenever the form is resized, the bottom section will be occupied completely with the datagridview.But i want to display one extra empty column and multiple empty rows to completely fill in the datagridview.The extra empty column width will be adjusted to the right end side of datagridview.And the no of empty rows will be generated based on how many is required to fill up to the bottomSo that i can create datagridview with full column and row even though some columns or rows are empty.
View 1 RepliesI am using a form in an MS Access form and I want the following functionality. There is a button which when clicked must connect to the webcam and capture the images. I looked at the post: [URL]. But I still need further clarifications.
View 1 RepliesI want to develop a tree view and list view form by using vb6, how to construct a tree view and list view form?
View 1 RepliesI have made my application to start automaticly when windows start (registry ../currentversion/run/appname + path). In this mode the application start minimized and an little icon appear in the notification icon area. With this icon you can maximize the app or exit it.If you exit the app and start it again using the Menu (Start/programs etc) than the application start in minimized mode (and in this case I would like to have it in normal mode) because the setting autostart is still true.Is there a way you can detect when the application start when windows startup using the above registry or when people click on an icon in the programs menu (or desktop)?
View 2 RepliesI have a program that uses two forms. The program opens to the Main form, and the user can navigate to the other form from the Main form through use of a button. Here's the way I've currently written it: When the Main form loads, it declares and instantiates the other form during the load procedure. When the user presses a button, the second form is displayed by means of the ShowDialog method. On the second form, there is a Return to Main Screen button which closes the second form, bringing the user back to the Main form.
So, here's the structure of the code:
Code:
Public Class frmMainForm
Dim frmSecondForm As New SecondForm
Private Sub btnSecondForm_Click(blah, blah, blah) Handles blah, blah, blah
[CODE]...
Here's my reasoning: Originally, I wrote the code so that a new instance of the second form was created every time the button was pressed. The problem was that whatever data was displayed on the second form, previously, was lost when the user returned to it a second time. Since the user would be switching back and forth between these forms, frequently, I needed that data to persist.
What is the best practice for accomplishing this:
1) Declare and instantiate the second form on program start, as I have done, and use the button simply to show the form?
2) Declare and instantiate the second form each time the button is pressed but maintain the variables on the Main form and pass them ByRef to a custom constructor for the second form? Is this even possible?
3) Something else?
I want a stopwatch thing, to start on the forst form, and stop on the last form, and to show the time.
View 2 RepliesI have mdi application, on main form which is mdi container and has a tree view. i open the child form on afterselect even of treeview. the issue i'm facing that i open the form but focus remain on tree view until i click on the the form. my question is how i can give focus to form rather it stays on treeview. i tried frm.focus also activatemdichild(frm) no sucess.
View 21 RepliesI have MDI form and child forms in my app.[code]...
now if i try to refresh the items of combo box of Register form from Desig form, then it is not refreshing. i.e. i can't see my new items in that combo box on Register form.
Now when i try to start my app directly from Register form then the same code works perfectly but same code is not running when i try to start the app from MDI form.[code]...
I have a few forms that have a lot of really intensive updating along with a great deal of user interface (text boxes, button clicking etc) Is it possible to open a separate form as a separate UI thread from the start up form that called it to "show" or open or whatever the new method might be?
View 6 RepliesI need a different form to show itself on startup.And then when i click a button make it show another form.
View 17 RepliesI have an application that has sixWindows formsI selected one form as the StartUp form and it worked fine. I then did a little "experimenting"...I added a Splash Form, which I had never used before. I later decided that I didn't think a Splah Form was appropriate for my application, and deleted it. Theresult was:) The form I want to use as a StartUp form (call it Form1)does not appear in the list of forms in the Application section of the project properties.2) When I run the application Form 1 appears for several seconds and then is replaced by the form designated as the StartUp form , which, since the form I want is not on the list, is the incorect form.
View 2 RepliesWhen my program runs it closes form1 after a few seconds. Depending on what happened during form1's lifespan I may want to open form2. Normally I would just make a new instance of form2 and use the show() method. But form2 is then a child of form1 and then also closes.
View 3 RepliesI have two forms: Main and Options. Main can be moved around the screen (like a normal window).When the user clicks a button, the Options form opens up and the Main form HIDES. How do I set the Options form to open in the exact place that the Main form was last on the screen (to give it the effect the MAIN form never went into hidding)
I was thinking to set Option form's StartPosition to Main's current position, but I don't know the syntax for that or if it's even something you can do.Option.StartPosition = Main.Position
I want to be able to make labels on the form change with user-entered variables (that they would do before this form appears) and so when this form appears, I want the variables to already be displayed in the labels without them having to press a button, or click on something.
[code]...
How the program's form could start from down to up when the program just runs?
View 2 RepliesI am developing a commercial application that needs to do some environment checking upon start up. I need to check things like the following. 1. Is there a registry entry on this machine that has various keys for paths to SQL Server 2. If it does not I need to create them. 3. Prompt user for the path to the SQL Server 4.Check the SQL Server to see if the database I need exists. 5. Create the DB if not. 6. Populate the DB with the tables I need 7. Create stored procs in the DB 8. Write the registry. I could do all this in the form load of the main form. However is there a better way? Like doing all these checks as part of a splash screen for example.
View 2 RepliesPublic Class form1
[Code]...
Why is the "Me" keyword not working. The error was "Syntax error"
How the program's form could start from down to up when the program just runs?
View 6 RepliesIs there a way to execute a block of code once the form is opened? What is the event procedure required for this?
View 7 Replieswhen form Loads i want a video to play in a picture box or panel how do i do that? This is what i have so far.
Imports Microsoft.DirectX.AudioVideoPlayback
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]....
I have a problem with the printpreviewcontrol under windows 7.It only occures under windows 7 not xp.I start a new form with the PrintPreviewContol on it and a PrintDocument.In this case, everything goes perfect.But when i add the PrintDocument to the PrintPreviewControl it goes wrong (PrintPreviewControl1.Document = PrintDocument1)
View 3 RepliesI'm using the command line parameters to start my applicaton. To do that, I'm using the Application Startup event:
Friend Sub MyApplication_Startup(ByVal sender As Object, ByVal e As Microsoft.VisualBasic.ApplicationServices.StartupEventArgs) Handles Me.Startup
If e.CommandLine.Count = 1 AndAlso e.CommandLine(0) = "-startintray" Then
[code]....
Code works but I can't set my startup form as invisible. It always shows itself as usual. I want to put it to system tray.
In the form property i set CENTER TO PARENT but its not working then i also write a code but still form not shown in the center
Private Sub About_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles About.Click
Dim aboutdev As New aboutaut()
aboutdev.MdiParent = Me
[code]....
This may sound silly but is it possible to run a separate exe and call a specific form to load?
For example:
Let's say I have two exes one that checks licensing and then once that is done it calls another separate exe to load a specific form based on the type of license selected?
It sounds doable but can anyone share a snip it of code that may do the trick?