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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.

Namespace: Emgu.CV
Assembly: Emgu.CV (in Emgu.CV.dll) Version: 2.4.10.1935 (2.4.10.1935)

Syntax

C#
public static IntPtr cvQueryFrame(
	IntPtr capture
)
Visual Basic
Public Shared Function cvQueryFrame ( 
	capture As IntPtr
) As IntPtr
Visual C++
public:
static IntPtr cvQueryFrame(
	IntPtr capture
)
F#
static member cvQueryFrame : 
        capture : IntPtr -> IntPtr 

Parameters

capture
Type: System..::..IntPtr
Video capturing structure

Return Value

Type: IntPtr
Pointer to the queryed frame

Remarks

The returned image should not be released or modified by user.

See Also