Copyright © 2013-2014 MultiMedia Soft

GetSelection method

Previous pageReturn to chapter overviewNext page

Remarks

 

Retrieves the portion of waveform currently selected through the tracker. The current selection can be removed/modified calling the SetSelection method.

 

 

Syntax

 

[Visual Basic]

control.GetSelection (

bSelectionAvailable as enumBoolean,

nBeginPosInMs as Long,

nEndPosInMs as Long

) as enumWanErrorCodes


 

[C++]

short control.GetSelection (

long *bSelectionAvailable,

long *nBeginPosInMs,

long *nEndPosInMs

);


 

Parameter

Description

 

 

bSelectionAvailable

Reference that, after returning from the method call, will contain the flag for selection availability.

Supported values are the following:

Value

Meaning

BOOL_FALSE

No selection is currently available

BOOL_TRUE

A selection is currently available and its limits are stored inside nBeginPosInMs and nEndPosInMs parameters

nBeginPosInMs

Reference that, after returning from the method call, will contain the selection's start position, expressed in milliseconds

nEndPosInMs

Reference that, after returning from the method call, will contain the selection's end position, expressed in milliseconds

 

 

 

Return value

 

Value

Meaning

 

 

Negative value

An error occurred (see the LastError property for further error details)

enumWanErrorCodes.ERR_WAN_NOERROR (0)

The method call was successful