AcquireImageFromVideo Method

public string AcquireImageFromVideo()

'Declaration
 
Public Function AcquireImageFromVideo() As String

'Usage
 
Dim instance As WiaSession
Dim value As String
 
value = instance.AcquireImageFromVideo()

public string AcquireImageFromVideo()

 function Leadtools.Wia.WiaSession.AcquireImageFromVideo()

public:
String^ AcquireImageFromVideo(); 

Return Value

This method will capture a still image from the video stream and save it as a JPEG file.

To change the directory where the captured image is saved, set the new folder path in the value parameter and then call the WiaSession.SetPropertyString method, passing WiaPropertyId.VideoDeviceImagesDirectory for the propertyId parameter of this method.

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

WiaSession Class
WiaSession Members
Startup Method
Shutdown Method
SelectDevice Method
SelectDeviceDlg Method
IsVideoPreviewAvailable Method
StartVideoPreview Method
ResizeVideoPreview Method
EndVideoPreview Method