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Moving scrollbar thumb on CEikScrollBarFrame

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Article Metadata
Tested with
Devices(s): Nokia N95 8GB
Compatibility
Platform(s): S60 3rd Edition, FP1
S60 3rd Edition FP1
Article
Keywords: CEikScrollBarFrame, TAknDoubleSpanScrollBarModel, TAknDoubleSpanScrollBarModel::SetFocusPosition(), CEikScrollBarFrame::SetVFocusPosToThumbPos()
Created: tapiolaitinen (01 Apr 2008)
Last edited: lpvalente (04 Aug 2012)

Contents

Overview

This snippet demonstrates how to move the scrollbar thumb to a certain position. This is useful, for example, after an external scroll (such as a scroll caused by program code).

This snippet can be self-signed.

MMP file

The following libraries are required:

LIBRARY eikcoctl.lib

Header file

#include <eiksbfrm.h>  // CEikScrollBarFrame
#include <eikscrlb.h> // TAknDoubleSpanScrollBarModel
CEikScrollBarFrame* iScrollBarFrame;
TAknDoubleSpanScrollBarModel iVModel;

Source file

The following code updates the scrollbar model and moves the vertical scrollbar thumb to a position specified by the model. The code could be written in CMyContainer::OfferKeyEventL(), for example.

// Update the model. Naturally, number 10 would be calculated, not specified
// as a magic number constant.
iVModel.SetFocusPosition(10);
// Move the scrollbar thumb to model position
iScrollBarFrame->SetVFocusPosToThumbPos(iVModel.FocusPosition());

Postconditions

The thumb of the vertical scrollbar moves to the position specified by the scrollbar model.

See also

This page was last modified on 4 August 2012, at 18:29.
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