Emgu CV Library Documentation
RoiParam Method (ptr, start, rows, elementCount, byteWidth, widthStep)
NamespacesEmgu.CVImage<(Of <(TColor, TDepth>)>)RoiParam(IntPtr, Int64%, Int32%, Int32%, Int32%, Int32%)

www.emgu.com/wiki
Return parameters based on ROI
Declaration Syntax
C#Visual BasicVisual C++
protected static void RoiParam(
	IntPtr ptr,
	out long start,
	out int rows,
	out int elementCount,
	out int byteWidth,
	out int widthStep
)
Protected Shared Sub RoiParam ( _
	ptr As IntPtr, _
	<OutAttribute> ByRef start As Long, _
	<OutAttribute> ByRef rows As Integer, _
	<OutAttribute> ByRef elementCount As Integer, _
	<OutAttribute> ByRef byteWidth As Integer, _
	<OutAttribute> ByRef widthStep As Integer _
)
protected:
static void RoiParam(
	IntPtr ptr, 
	[OutAttribute] long long% start, 
	[OutAttribute] int% rows, 
	[OutAttribute] int% elementCount, 
	[OutAttribute] int% byteWidth, 
	[OutAttribute] int% widthStep
)
Parameters
ptr (IntPtr)
The Pointer to the IplImage
start ( Int64 %)
The address of the pointer that point to the start of the Bytes taken into consideration ROI
rows ( Int32 %)
The number of rows taken into consideration ROI
elementCount ( Int32 %)
ROI.Width * ColorType.Dimension
byteWidth ( Int32 %)
The number of bytes in a row taken into consideration ROI
widthStep ( Int32 %)
The width step required to jump to the next row

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