VS 2010 Webcam To Take Captures Of Items And Then Save Them According To The Item Name
Oct 2, 2010
I'm a computer science student and I have a project to do where I need to have VB connected to a webcam to take captures of items and then save them according to the item name that stores them into either a dbase or access database. I have knowledge of oledb using vb to retrieve and modify access databse so it might be better to head in that direction, but I have no clue how to get the webcam talking to vb and see the live feed from the cam until you take a picture and save.
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Jun 4, 2012
how to capture and save still image through webcam in vb 2010
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Sep 8, 2011
How would one go about checking a listbox's items for duplicates? Basically I need to write a program that displays the teams from a text file provided by my instructor, in alphabetical order. I can do that, but what I can't figure out is how to prevent the For loop from adding a duplicate team. What I'm envisioning is:
If teams(i).name is not in lstTeams.Items Then
lstTeams.Items.Add(teams(i).name)
End If
I have a program that compiles and works so far, except for the above problem and my alphabetical order (which I can probably figure out on my own:
Public Class danbrockteams
Structure team
Dim name As String
[Code]....
This works except that my listbox is filled with the team every player is in rather than just listing all possible teams. Not exactly looking for someone to just give me the answer, as I understand things best when figuring them out on my own, so I suppose a hint is what I'm really after.
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Nov 26, 2010
I add Items to combobox through the program, my question is how i cab keep the items I added after retry?
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Jun 28, 2010
Ok. So, how do i save things. Ive made a Checked Item Box. But i can't get any of the things to Save that i have Checked?
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Feb 16, 2012
I have been working on capturing image and recording video in VB using webcam. From the cource code,I have successfully captured and saved images, however for the video part I have failed to save it in any selected directory. I've checked the code with some other sample codes in internet. Couldn't see any problem or differences. My code for recording and saving are as follow:
Recording:
SendMessage(hWnd, WM_CAP_SEQUENCE, 0, 0)
Saving:
Dim save As Integer
save = MsgBox("Do you want to save your recording video", MsgBoxStyle.YesNo + MsgBoxStyle.Information, "Recording Video")
If (save = MsgBoxResult.Yes) Then
[code]....
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Jun 10, 2012
I have downloaded a program which is used to capture an image via the webcam on my laptop. That works fine. I added the required code to record and save the recorded video to an .avi file. The record function appears to be working fine. When I click on the Stop Record button the save file dialog appears and I enter in a file name to save the recorded video. But the message WM_CAP_FILE_SAVEAS does not appear to work as no file ever gets created in the location I choose (desktop).
'Start recording
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
DeviceID = lstDevices.SelectedIndex
OpenPreviewWindow()
SendMessage(hHwnd, WM_CAP_SEQUENCE, 0, 0)
[Code] .....
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Aug 13, 2009
how do i capture an image with a webcam and save it in a picturebox?
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Aug 1, 2011
Webcam capture code are below:
Dim capturesource As New CaptureSource
' Get the default video capture device
Dim _videoCaptureDevice As VideoCaptureDevice =
[code].....
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Jun 24, 2009
I am using webcam and want to record video and save it on disk, the video time must be constant for such 20 or 30 sec, what i want is to change CAPTUREPARMS members which contain fLimitEnabled & wTimeLimit
'---capcaptureget function
Function capCaptureGetSetup(ByVal hWnd As Integer, ByVal s As Long, ByVal wSize As Integer)
capCaptureGetSetup = SendMessage(hWnd, WM_CAP_SET_SEQUENCE_SETUP, wSize, s)
End Function
[Code]...
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Oct 10, 2010
I come across this web site that explains how to get a video from a webcam.
[URL]
all works fine apart it does not save the file?
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Dec 21, 2010
how to create a panel full of items (textboxes, buttons, labels, ...) and save it as a class with all it's properties so I can create it and place as object on other panel. My goal is to create an application with menu on the side and change workspace (the part on the rest of the form) between 3 or more possible different "workspaces" (made by the classes).
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Feb 27, 2011
i made a media player program and i am having many problems! the main issue is that i have a listview that displays music playlist, how can i get it to navigate to the next item after the clicked one is over that way users don't have to click on the next one to continue their playlist?
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Mar 28, 2012
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?
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May 3, 2009
How can I save ALL of the items in a listview, items that were added by the user? I tried application Settings and tried creating a settings file but there is not a settings option for listview items.
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Aug 1, 2009
I have researched the net, youtube, and the msdn DB, and still can not find the working answer I am looking for. I would like someone to show me how you would save the contents of "Listbox1" to a .txt file using the "Save As" Option. I know how to hardcode a savepoint in, but since there will be multiple users I would like the option to be up to the end-user.
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Mar 25, 2011
I'm working with an Treeview and i'm new at it and i have 2 questions.
1. How can i save the treeview items, to settings (my.settings.history)
2. How can i save the treeview items as an TXT or XML file or another exception.
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May 15, 2012
There's lots of code samples around to get a list of webcams (or other video capture devices) in VB.NET:
Declare Function capGetDriverDescriptionA Lib "avicap32.dll" (ByVal wDriver As Short, ByVal lpszName As String, ByVal cbName As Integer, ByVal lpszVer As String, ByVal cbVer As Integer) As Boolean
[Code]....
I have two webcams installed on my PC but I only get one entry: "Microsoft WDM Image Capture (Win32)".
If I run Skype > Tools > Options > Video Settings I see "Logitech HD Webcam C270" and "Microsoft LifeCam VX-2000". I can click on each camera and it's output is correctly shown in the preview window.
how to get this full description of each camera device? Having done that, I will need to be able to select that device as the source for my image grabbing routine. Perhaps each entry can provide a GUID?
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Nov 20, 2011
webcam drivers were installed using its cd drivers.[code]after skipping the errors in compile (f5) the program works, how to cancel the errors? moreover, when the program is run via the .exe file in the bin folder no errors fire up
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Nov 11, 2011
I have written a program that uses directshowlib to capture a stream from a webcam and save as an AVI whenever a bird lands on the experiment platform for behavioral research. What I would like is to be able to allow another program or connection to the same webcam at the same time simply for preview purposes, is this possible?
Basically I want my app to still be able to record on demand when a bird interacts but I would also like a IP cam program like webcamXP/Webcam7 to be able to stream a live feed to the internet so we can have a live view of the platform. I had found some articles about connecting multiple streams from one webcam but am not sure how to go about it. If I have to I will simply mount a 2nd cam in the Bird colony and dedicate it to the web stream but if I can use the same cam as the recording cam that would be great.
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Nov 10, 2009
I am new in VB.NET. I want to use VB.NET to develop a program that will use a webcam to detect motion and trigger an alarm form PC.
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May 2, 2011
I tried to code using WIA, and it is working fine.But when I tried my codes under Win 7 OS, it failed to capture.It seems that it is only working on XP. I also tried some code sample found here. And still failed under win7.Is there any good link where I can get some info to work with regarding to web cam capture...I tried also Avicap.dll?
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Mar 7, 2010
How do I make the form captures the keyboard events when it is inactive or was in the background in Visual Basic 2008
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Aug 6, 2009
I am running a oracle package's procedure which raises raise_application_error (). i.e Oracle sends the application error to Visual Basic 6.0 . After executing procedure, When I try to display the value of Err.description in immediate window it prints only 532 characters.. rest of the characters are truncated. Is there any limitation that Err.description would capture only 532 characters? When I run that procedure in SQLPLUS, it gives entire string without truncation.
Please guide me to display entire string in VB using Err.description when error description posts to VB by Oracle PL/SQL raise_application_error.
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May 22, 2009
I'm working on a project, and one thing it's supposed to do is make itself (the form) invisible, take a screenshot of the current screen, and the make itself visible again.[code]I made the 'FinishScreenshot function to call the 'TakeScreenShot' function, courtesy of AdamSpeight2008 and save that result as a specified image file in a specified location. the problem is, the screenshot ends up usually showing the form that was supposed to be invisible, but sometimes not (usually on the first form). I'm guessing this is because the FinishScreenshot and Take ScreenShot functions aren't finished working until after the form becomes visible again, but I'm not sure.
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Jun 10, 2011
using VB 2010 ,I would like to write an application that captures snapshots from my laptop webcam ,and save it.
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Jun 17, 2011
How to captures(keystrokes) instant messages of msn live messenger.How to captures(keystrokes)form live conversion of msn in vb.net.how to create the txtfile of that capture keystrokes of that instant messeges og live messenger of MSN.
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Nov 5, 2010
As can be seen in the image, the X has 2 branches of moves (arrows), it can capture the Os by leaping on them (marked yellow), and I am not sure how to store such branches of moves/captures.
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Jun 4, 2011
How to captures instant messages of msn live messenger.How to captures(keystrokes)form live conversion of msn in vb.net.how to create the txtfile of that capture keystrokes of that instant messeges og live messenger of MSN.
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Mar 31, 2010
I am looking for a way to extract information from a website.That is, by using VB to connect to a site, and retrieve the html code. I then parse it this way.To be more precise, the site is eBay,and I am looking to get certain item information from certain items.I read somewhere that somebody converted it to XML maybe? MSXML was used.
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