I would really like to get some VB.net program code for still image capturing using a Webcam.I've searched the web for quite a while now but did not get any codes. Currently i have a code for capturing video. In that code an image can be captured, but only with 640 X 480 resolution (Maximum Video resolution for my web camera). The WM_CAP_DLG_VIDEOFORMAT dialog box only allows the resolution to be set up to 640 X 480.
[Code]...
I want to capture a still picture in any format like .png,.jpg,.bmp etc. using a webcam.And want to save that in directory.
View 3 RepliesWe are using avicap32.dll for capturing Pictures from Webcam,and we want to display the list of connected Webcam names but we are only able to get the driver name for webcam by using capGetDriverDescriptionA method. Is there any method to get the name of the webcam like "asus W120"
View 5 RepliesNow i'm capturing frames from webcam and send them via UDP, it's not realtime. Is it streaming?
View 4 RepliesI'm working on a software where I need to download an image from the web browser without reloading the image.
View 2 RepliesI need to create a program that can capture video and image. The program is very simple, it just have a screen and a button labeled "Capture". When I click capture, it will capture the image and save it in drive "C:".
View 1 RepliesWhat is the code in creating a program that enables the built in web camera of the laptop when an intruder input a wrong password in the windows logon screen?
View 1 RepliesHow to use GDTwain control in VB.net
View 1 RepliesI need to show video in a picturebox, and when a button is pressed, capture the frame. I am making a desktop qr reader. I have the qr reader completed and working. my issue is my camera now. I would prefer something that actually works, and doesn't have severe memory leak issues, and doesn't throw an exception after it's first or second use. Would AviCap32 or Direct Show be better for what I want? Which would capture the image fastest, without causing exceptions? I tried using an open source solution called webcam_capture.dll, and it worked at first, but now I am getting an exception that I dont know how to fix. I'm assuming this goes in vbGeneral, and not the Interop and Upgrade. Most examples I have seen, use interop, so I wasn't sure. I would prefer not to use WIA. I have attempted it, and it doesn't work quite right on my computer, and this application will be distributed.
View 12 Repliesi'm currently doing an assignment which is based on vb.net and sql server. here i wanna capture an image and i wanna save that into a sql table named 'customer'. i have downloaded the code for capture the image from the webcam and sWhen i click the save button in that app, its showing to save the captured image in a
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Dim data As IDataObject
[code]....
using directshow to capture image from webcam. In my winform application, there was a tabcontrol which contains two tabpages. Tabpage1 contains a picturebox which shows the video from webcam, tabpage2 contains a button to capture the image. My problem is when I pressed the button on tabpage2, my saved image file is empty which has no picture inside.
The following is my code for GetImage:
Public Sub GetImage(ByRef bmp As Image, ByRef pbCtrl As PictureBox)
' Get image from clipboard and convert it to a bitmap
Try
[code]....
I'm developing an application and it needs a facility to take photo of the customer using the webcam.
View 6 Replieswebcam 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
View 3 RepliesI'm trying to capture an image from my webcam and save it as a .bmp file. the code i have works perfectly except for 1 issue i cant figure out no matter what I try the issue is that when i save the bitmap it only saves in 320x240 resolution even though I have set the resolution to 640x480 everywhere I could think of.
here is the (edited) code I currently have. some places I didn't know what to change so I put in 640,480 anyways to see what happened but that didnt make any difference and also didnt cause any errors so i left the changes there.
Const WM_CAP As Short = &H400S
Const WM_CAP_DRIVER_CONNECT As Integer = WM_CAP + 10
Const WM_CAP_DRIVER_DISCONNECT As Integer = WM_CAP + 11
Const WM_CAP_EDIT_COPY As Integer = WM_CAP + 30
[Code]......
picturebox1.image = system.image.drawing.fromfile(x) x is the location where the webcam store the current image.if the code above would work what is x ?
View 14 Replieshow do i capture an image with a webcam and save it in a picturebox?
View 2 Replieshow to capture and save still image through webcam in vb 2010
View 4 RepliesWhile I have got some leads from an older SO post and from this site, I haven't been able to figure out how to capture each frame of a web-cam.
What I would like to do is something like this capture a frame then do some image processing on it and display the output and then move on to the next frame.
Can I can access to web-cam frame events or is there any efficient way to achieve this?
currently, im using a webcam in my thesis. one of my objective is to have a realtime camera that can record/capture a video at the same time can capture image. i dont know how to code it in vb.net.
View 1 RepliesI need to capture a picture from webcam for a project... But there seems to be no easy code available... Also am not able to find any working code for it... saw a codeproject code, but couldnt get it to work..
View 5 RepliesI 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?
View 1 RepliesI'm building .NET application that uses DirectX API for web camera device I'm using DirectShowNet Library .
i want to capture the image when user clicks the snapshot button available on webcam.and then dispaly the image in picture box.pls help me out iam stuck with this issue.
I am not a CS major. I'm taking Mechatronics.But I'm always leaning heavily towards embedded programming and electronics. Nowadays, I would want to take the dive into PC programming. Slowly.So, I've started to learn VB.net. The syntax and basic programming principles are still ok. But I got stumped when I tried to go deeper where I see, directx, directshow, dll, avicap32, and etc. What are they? and API? How ar they connected with VB.net? It's different when I'm programming microC, where the environment is limited and dictated. Now there are options so broad until I am lost.is the architecture and what has those APIs , DLLS, and etc mean literally.Ultimate goal would be using VB.net to interface with webcam and do image processing.
View 1 Repliesi want to create a user control using WIA but i m get a error message at run time Error Assembly generation failed -- Referenced assembly 'Interop.WIALib' does not have a strong name. i m working of windows server 2003.
View 1 RepliesI have develop VB 2008 that can preview the image through 2 webcams. However, when i run my VB and select to preview through my USB webcam, it display dark screen. But i select to preview through my built in webcam, it works.So, can anyone can the code attached for me?For your information, the USB webcam can function properly using other video/image software.
VB version: VB 2008
OS: Windows Vista
Webcam brand: LifeTec
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?
I am developing a visual basic 2008 express edtion program of an organisation that should get images from the system and display on image/picture box. further the program should save the displayed image in access database so that it can be retrieved together when you want to search the information about that particular employee.
View 7 RepliesHow can I capture text from cmd.exe window? Tried GetWindowText, but this only returns the title.
View 6 RepliesI am using a DataGridView, which is bound to a dataset. There is a bindingNavigator as well.
when a user deletes a row by clicking "bindingNavigatorDeleteItem" button, I am trying to get the row being deleted.
private void bindingNavigatorDeleteItem_Click(object sender, EventArgs e)
{
int crow = gridEventType.CurrentCell.RowIndex;
but it returns the newly selected row AFTER deletion of a selected row.
so, If I have two rows
0
1
2
and I delete 2
crow is 1, not 2.
Am I missing something here?
2. How do I know whether certain rows are modified in datagridview?
I was creating some complex applications in Visual Basic .NET 2008 and since they are in the testing phase right now, people manage to find an error or two every so often that causes the program to crash. The problem is that there is a tracking piece to it that logs who is currently using the programs. When a user logs in, it logs that they are currently logged in, and if the form close event is fired, the log is deleted to show that they have closed it.
Now my problem comes whenever the form crashes from an error since it won't trigger the close event and therefore makes the log become inaccurate. My question is if it is possible to capture any error that the form would have in the form of an event?