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Moving scrollbar thumb on CEikScrollBarFrame

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{|style="background:#eceff2" width="660px" border="1" cellpadding="5" cellspacing="0"
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{{CodeSnippet
|-
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|id=CS000885
|'''ID''' || CS000885
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|platform=S60 3rd Edition, FP1
|'''Creation date''' || April 7, 2008
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|devices=Nokia N95 8GB
|-
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|category=Symbian C++
|'''Platform''' || S60 3rd Edition, FP1
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|subcategory=UI
|'''Tested on devices''' || Nokia N95 8GB
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|creationdate=April 7, 2008
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|keywords=CEikScrollBarFrame, TAknDoubleSpanScrollBarModel, TAknDoubleSpanScrollBarModel::SetFocusPosition(), CEikScrollBarFrame::SetVFocusPosToThumbPos()
|'''Category''' || Symbian C++
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}}
|'''Subcategory''' || UI
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{|style="background:#eceff2" width="660px" border="1" cellpadding="5" cellspacing="0"
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|'''Keywords (APIs, classes, methods, functions):''' CEikScrollBarFrame, TAknDoubleSpanScrollBarModel, TAknDoubleSpanScrollBarModel::SetFocusPosition(), CEikScrollBarFrame::SetVFocusPosToThumbPos()
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|}
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==Overview==
 
==Overview==

Revision as of 15:14, 9 October 2008


Template:KBCS

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: (07 Apr 2008)
Last edited: extkbeditor1 (09 Oct 2008)

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

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