Source code documentation samples provide quick and easy way to add a required functionality into your application. ByteScout Screen Capturing SDK is the tool for developers who want to add screen capturing in their application. Can record screen into video and into single screenshots. Output formats are WMV, AVI, WebM for video and PNG for screenshots. You can adjust output video size, quality, resolution, framerate, video and audio codecs. Includes special privacy features for blacking out sensitive information on screen. Can also capture video from web camera, can add overlays with text or images and you can use it to record video with webcamera overlay with VB.NET.
VB.NET code samples for VB.NET developers help to speed up coding of your application when using ByteScout Screen Capturing SDK. Just copy and paste the code into your VB.NET application’s code and follow the instruction. This basic programming language sample code for VB.NET will do the whole work for you to record video with webcamera overlay.
Our website provides trial version of ByteScout Screen Capturing SDK for free. It also includes documentation and source code samples.
Imports System.Threading Imports System.Diagnostics Imports BytescoutScreenCapturingLib ' import bytescout screen capturing activex object ' NOTE: if you are getting error like "invalid image" related to loading the SDK's dll then ' try to do the following: ' 1) remove the reference to the SDK by View - Solution Explorer ' then click on References, select Bytescout... reference name and right-click it and select Remove ' 2) To re-add click on the menu: Project - Add Reference ' 3) In "Add Reference" dialog switch to "COM" tab and find Bytescout... ' 4) Select it and click "Add" ' 5) Recompile the application ' Note: if you need to run on both x64 and x86 then please make sure you have set "Embed Interop Types" to True for this reference Class Program Friend Shared Sub Main(args As String()) Dim capturer As New Capturer() ' create new screen capturer object capturer.CapturingType = CaptureAreaType.catScreen ' set capturing area type to catScreen to capture whole screen ' Set webcamera device by name (.CurrentWebCamname property) ' or set it by index using .CurrentWebCam property capturer.CurrentWebCam = 0 ' Set rectangle to show overlaying video from webcam into the rectangle 160x120 (starting with left point at 10, 10) capturer.SetWebCamVideoRectangle(10, 10, 160, 120) ' Enable webcam overlaying capture device capturer.AddWebCamVideo = True capturer.OutputFileName = "ScreenWithWebCameraCaptured.wmv" ' set output video filename to .WMV or .AVI file ' set output video width and height capturer.OutputWidth = 640 capturer.OutputHeight = 480 ' // WMV and WEBM output use WMVVideoBitrate property to control output video bitrate ' // so try to increase it by x2 or x3 times if you think the output video are you are getting is laggy ' capturer.WMVVideoBitrate = capturer.WMVVideoBitrate * 2 capturer.Run() ' IMPORTANT: if you want to check for some code if need to stop the recording then make sure you are ' using Thread.Sleep(1) inside the checking loop, so you have the loop like ' Do ' Thread.Sleep(1) ' While StopButtonNotClicked ' run screen video capturing Thread.Sleep(10000) ' wait for 10 seconds capturer.[Stop]() ' stop video capturing Process.Start("ScreenWithWebCameraCaptured.wmv") End Sub End Class