Emgu CV Library Documentation
cvQueryFrame Method (capture)
NamespacesEmgu.CVCvInvokecvQueryFrame(IntPtr)

www.emgu.com/wiki
Grabs a frame from camera or video file, decompresses and returns it. This function is just a combination of cvGrabFrame and cvRetrieveFrame in one call. The returned image should not be released or modified by user.
Declaration Syntax
C#Visual BasicVisual C++
public static IntPtr cvQueryFrame(
	IntPtr capture
)
Public Shared Function cvQueryFrame ( _
	capture As IntPtr _
) As IntPtr
public:
static IntPtr cvQueryFrame(
	IntPtr capture
)
Parameters
capture (IntPtr)
video capturing structure
Return Value

[Missing <returns> documentation for M:Emgu.CV.CvInvoke.cvQueryFrame(System.IntPtr)]

Assembly: Emgu.CV (Module: Emgu.CV) Version: 1.3.0.0 (1.3.0.0)