Cv.CreateTrackbar Method (String, String, Int32, Int32, CvTrackbarCallback)

CvCreateTrackbar Method (String, String, Int32, Int32, CvTrackbarCallback)

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 CreateTrackbar(
	string trackbarName,
	string windowName,
	ref int value,
	int count,
	CvTrackbarCallback onChange
)

Public Shared Function CreateTrackbar ( 
	trackbarName As String,
	windowName As String,
	ByRef value As Integer,
	count As Integer,
	onChange As CvTrackbarCallback
) As Integer

public:
static int CreateTrackbar(
	String^ trackbarName, 
	String^ windowName, 
	int% value, 
	int count, 
	CvTrackbarCallback^ onChange
)

static member CreateTrackbar : 
        trackbarName : string * 
        windowName : string * 
        value : int byref * 
        count : int * 
        onChange : CvTrackbarCallback -> 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
Ref of int value
count: Type: SystemInt32
Maximal position of the slider. Minimal position is always 0.
onChange: Type: OpenCvSharpCvTrackbarCallback
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.

Return Value

Type: Int32

[Missing <returns> documentation for "M:OpenCvSharp.Cv.CreateTrackbar(System.String,System.String,System.Int32@,System.Int32,OpenCvSharp.CvTrackbarCallback)"]

Reference

Cv Class

CreateTrackbar Overload

OpenCvSharp Namespace