Cv.CreateTrackbar2 Method

CvCreateTrackbar2 Method

OpenCvSharp Class Library

Creates the trackbar (a.k.a. slider or range control) with the specified name and range, assigns the variable to be syncronized with trackbar position and specifies callback function to be called on trackbar position change. The created trackbar is displayed on top of given window.

Namespace: OpenCvSharp
Assembly: OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C++

Copy

public static int CreateTrackbar2(
	string trackbarName,
	string windowName,
	int value,
	int count,
	CvTrackbarCallback2 onChange,
	Object userdata
)

Public Shared Function CreateTrackbar2 ( 
	trackbarName As String,
	windowName As String,
	value As Integer,
	count As Integer,
	onChange As CvTrackbarCallback2,
	userdata As Object
) As Integer

public:
static int CreateTrackbar2(
	String^ trackbarName, 
	String^ windowName, 
	int value, 
	int count, 
	CvTrackbarCallback2^ onChange, 
	Object^ userdata
)

static member CreateTrackbar2 : 
        trackbarName : string * 
        windowName : string * 
        value : int * 
        count : int * 
        onChange : CvTrackbarCallback2 * 
        userdata : Object -> int

Parameters

trackbarName: Type: SystemString
Name of created trackbar.
windowName: Type: SystemString
Name of the window which will e used as a parent for created trackbar.
value: Type: SystemInt32
Initial position of the slider.
count: Type: SystemInt32
Maximal position of the slider. Minimal position is always 0.
onChange: Type: OpenCvSharpCvTrackbarCallback2
Reference to the function to be called every time the slider changes the position. This function should be prototyped as void Foo(int);Can be null if callback is not required.
userdata: Type: SystemObject
[Missing <param name="userdata"/> documentation for "M:OpenCvSharp.Cv.CreateTrackbar2(System.String,System.String,System.Int32,System.Int32,OpenCvSharp.CvTrackbarCallback2,System.Object)"]

Return Value

Type: Int32

[Missing <returns> documentation for "M:OpenCvSharp.Cv.CreateTrackbar2(System.String,System.String,System.Int32,System.Int32,OpenCvSharp.CvTrackbarCallback2,System.Object)"]

Reference

Cv Class

OpenCvSharp Namespace