Returns header, corresponding to a specified rectangle of the input array. In other words, it allows the user to treat a rectangular part of input array as a stand-alone array. ROI is taken into account by the function so the sub-array of ROI is actually extracted.

public static IntPtr cvGetSubRect(
	IntPtr arr,
	IntPtr submat,
	Rectangle rect
)

Public Shared Function cvGetSubRect ( _
	arr As IntPtr, _
	submat As IntPtr, _
	rect As Rectangle _
) As IntPtr

public:
static IntPtr cvGetSubRect(
	IntPtr arr, 
	IntPtr submat, 
	Rectangle rect
)