I have this idea in my mind, that I can activate a window, and then scan that window for a pixel at certain coordinates.
Is it possible to do this in vb.net?
Something like:
If.GetPixel(X,Y,COLOR,) = True Then
MsgBox (Pixel Found)
Else
Loop Until Error = False
I know that won't work, but that's my idea.
Using this Pixels Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]...
This will scan the whole screen for my specified colors. How can I make it scan the AxShockwaveFlash only?
The purpose of the code below is to scan a program of mine to detect a pixel color change. It loops through until a change is detected. It works fine for about 10-15 seconds and then I get an ArgumentException was unhandled error. So far this has happened on two different lines at separate times...
Image = New Bitmap(Rec.Right - Rec.Left, Rec.Bottom - Rec.Top)
I would like to load a GIF file, and start with the first pixel and check to see if that pixel color is closer to Black, Red, Green or Yellow, then take what ever color it closest matched to and output that color as a number, 0, 1, 2 or 3. So just for a small example a 5x4 GIF would be converted to something like this: 0112223322220111332?
View 13 RepliesHow do i determine the pixel width and pixel height of the largest image i can paint onto the graphics object of a printer while inside a printpage event?
Imports
System.Drawing
Class
[Code]......
Is there a quick way to check the color of a pixel on the screen?
View 2 Repliesduring the development of my project, i've fall in the need to change the position of some forms, pixel by pixel using a timer.Now, i've checked that the movement is very fluid when form is not very heavy, when it contains few elements, but when it has a lot of elements inside, the movement becames nervous and not fluid, the movement becomes jerky.
View 5 RepliesHow can I find out the pixel colour of a certain point on a web browser. For instance,WebBrowser1.getPixelColor(0,0) would get the rgb colour value of pixel 0, 0.It doesn't have to be rgb it might be hsl or whatever.The web browser is showing a local web page that is hosted on a network. If there is an error then the screen goes all grey. What I want to do is, if this does happen, display an alert message like - "An error has occurred
View 3 RepliesI have an empty picture box with the background colour set to the transparancy colour. How can i get the colour of the pixels within the transparant picture box so that i can create a bitmap of the transparant section of the form?
View 2 RepliesI have the code below on a timer( "b" is a bitmap )
If
Not (Clipboard.GetImage
Is
Nothing)
[Code]....
The problem is that it raises the event even if the picture didn't change.
comparing the 2 images without actually comparing them pixel by pixel (too slow to do the job)?
How Do I scan with WIA using VB.NET?
View 4 RepliesI'm looking for a way to scan a certain area of a PDF or Tif,
and extract the OCR regonizied text which will help me rename these documents I have.
What tools or libaries can I use in .NET to make a quick short program to rename
TIF or PDF files into their appropriate name coming from a portion of text that is on each file.
i'm trying to "Scan for hardware changes" programatically and all I can find so far is: [URL]
I'm not sure how to use it in a vb.net app though. this is for Windows 7 functionality and i'm not sure how to set up the API calls
there's this: [URL] but it doesn't tell you how to implement it
I have a requirement from my vendor to scan an image through my application. Then this image should appear in the picture box given on the same page. Also I want to read it as bit stream.
View 3 RepliesI am trying to scan images in VB.NET. I searched this site for almost an hour and found questions, but little in the way of answers, but some redirection which did not resolve the issue.
I downloaded the example here [URL] which has 7 projects doing a whole bunch of things. I do not have the scanner attached to my PC. Nor can I run any of these examples which do way more than I am trying to do. Then I went here [URL], found the VB version on planetsourcecode, but it will not run. I tried to duplicate what it does, but I couldn't get either of these line to be recognized:
Imports TwainGui.vb.TwainLib
Imports TwainGUI.vb.GdiPlusLib
I understand that the differences between .NET and VB are huge, but what I fail to understand is why no one has been able to post an example of how to scan? My company is not willing to purchase any 3rd party tools and my boss believes it can be done through the api, which some posts seem to imply but fail to show how.
is there a way to add a progressbar to the scan button?i watched tons of videos and i cant figure it out
Using FB As New FolderBrowserDialog
If FB.ShowDialog = Windows.Forms.DialogResult.OK Then
For Each Ext As String In ListBox1.Items
[Code].....
I want to write code in vb.net to scan drive.
View 2 RepliesI'm using a TcpListener and TcpClient to search for a connection on a certain port,and display a message when a connection is made, but i do not know how to do this. My code so far:
Dim port As Integer = 81
Dim serverSocket As New TcpListener(port)
Dim clientSocket As TcpClient
Dim c As Integer
Dim ic As Integer
[Code]..
I am working on a small music player software that runs from the thumbdrive and does not need to be installed. The problem is that when ever i scan the directory for files, it will not scan unless I am running it on a computer that has previously compiled the code. Regardless of whether visual studio is installed or not. Below is the rountine for the scan that is not working. It seems to stop at the 'ForEach ti in hi.getfiles'.
UserInput.Close()
Dim Found As String = ""
Dim C As String = My.Computer.FileSystem.SpecialDirectories.MyMusic
Dim Directory As String = My.Computer.FileSystem.CurrentDirectory
[code]....
I need to add scan option in VB application which i am developing.
How can i, Can anybody giveme detail code for this.
My program allows users to upload some files so other users can download it. Is there a way that I can scan the files for virus upon upload/download within the program? How can I go about this?
EDIT: Actually is there a way for the program to use the installed Virus program located on the users computer?
Now i'm working in an one softwarec concern.. now my TL gave one new concepy.., ie.., scan the document through our web application only. But i don't have any idea about that scannre.
View 1 Repliesi want to scan my whole C: drive using getdirectory(). but i got access denied when i reach some system file. how can i skip all that file to let my code run well.
View 1 Replieshow I can scan a image I loaded in my picture box for a certain pixel (say red)
View 4 RepliesI have been developing an antivirus using vb.net. The virus scanner works fine but I was thinking of ways to optimize the scanning speed (because large files take forever)
View 3 RepliesCan I build software to scan document or photo without EZTwain library on VB.NET ? because Twain library make scan in another window also I can't put multiple choice for the input format...
View 1 Repliesimagine i have an image of an whole family, but then i crop just one face, to use, now i have the photo of the whole family, and the photo of a face, which is part of the big photo. what i want is an app that can scan the big image, looking for the small image, and then return if it found it, and the rectangle where the small pictures, fits, in the big picture. any ideas?
View 3 RepliesBasically, I want to be able to say: here, I want to be able to chose my drive (in this case C:) and i want to be able to get the following extentions: .txt. Also i want it to list ALL .txt files in the C drive in either a textbox or listbox.
View 1 RepliesI want to be able to scan a folder and its sub directories for all the files that exist in it. the results are then fed into a list box or any similar control[code]...
View 2 RepliesI want to create a program that scan a file inside a file.. let me explain more details. I have file and extension is .opi and I know inside that file .opi there are many file's with extension .ojs and .oji. How to display that all file's .ojs and .oji into a listbox?
View 2 Replies