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<concept id="GUID-79370E26-4549-5F31-99A3-8D0341F58F08" xml:lang="en"><title>Retrieving

Versions and Device Type Information </title><abstract><p>This section explains the tasks that can be performed using System

Utilities such as retrieving software and language package versions and device

type information. </p></abstract><prolog><metadata><keywords/></metadata></prolog><conbody>

<section id="GUID-1884087E-5436-4E3D-A730-64AAF0212595"><title>Retrieving

the current software version</title><p>To retrieve the software version of

the device, call <codeph>GetSWVersion()</codeph> function. This function sets

the parameter passed to a Unicode string holding the current software version. </p><codeblock xml:space="preserve">TBuf&lt;KSysUtilVersionTextLength&gt; version;

if( SysUtil::GetSWVersion( version ) == KErrNone )

     {     // Use the version string.     ...

     }

</codeblock></section>

<section id="GUID-8B03C857-EEE3-4E30-8E64-F6E71919D484"><title>Retrieving

the current software version for the current language package</title><p>To

retrieve the software version of the device which is compatible with the currently

installed language package, call <codeph>GetLangSWVersion()</codeph>. This

function sets the parameter passed to a Unicode string holding the required

software version. </p></section>

<section id="GUID-B887AAAC-F785-499A-98EB-54D14C1350A9"><title>Retrieving

the current language package version</title><p>To retrieve the version of

the currently installed language package, call <codeph>GetLangVersion()</codeph>.

This function sets the parameter passed to a Unicode string holding the language

package. </p><p><b>Note</b>: The following functions read data from text files: </p><ul>

<li><p><codeph>GetSWVersion()</codeph> reads from <filepath>Z:\\resource\\versions\\sw.txt</filepath></p></li>

<li><p><codeph>GetLangSWVersion()</codeph> reads from <filepath>Z:\\resource\\versions\\langsw.txt</filepath> </p></li>

<li><p><codeph>GetLangVersion()</codeph> reads from <filepath>Z:\\resource\\versions\\lang.txt</filepath> </p></li>

</ul><p>The GetSWVersion() and GetLangSWVersion() functions convert the newline

character "\n" to the Unicode newline character but GetLangVersion()function

does not convert.</p></section>

<section id="GUID-9D638BAD-9A37-45FE-BF12-BAEFFB740D47"><title>Retrieving

the device type information</title><p>To retrieve the device type information,

call GetDeviceTypeInfoL() function. It consists of a pointer to an instance

of CDeviceTypeInformation. This instance contains the complete set of device

type information attributes that are provisioned by the device manufacturer. </p><codeblock xml:space="preserve">TPtrC16 modelNamePtrC;

if( User::LeaveIfError( deviceTypeInfo->GetModelName( modelNamePtrC ) ) == CDeviceTypeInformation::KDefaultValue )

          {

          // We have a default attribute value, do something else

          ...

          }

else

          {

          // We have a device creator supplied attribute value.

          ...

          }

</codeblock></section>

</conbody><related-links>

<link href="GUID-ED6ED5E6-5A95-54F2-B5B2-6145A10F44BE.dita"><linktext>System Utilities

Overview</linktext></link>

<link href="GUID-3AFA592E-ED32-5AC6-B331-E7191CF2D5E2.dita"><linktext>Checking

the Availability of Memory</linktext></link>