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2 <!DOCTYPE html |
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3 PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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4 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="copyright" content="(C) Copyright 2009"/><meta name="DC.rights.owner" content="(C) Copyright 2009"/><meta name="DC.Type" content="mobileconcept"/><meta name="DC.Title" content="Criteria for retrieving system attribute information"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-65AAF569-D347-462B-B59A-9D7CA184AB9C"/><meta name="DC.Relation" scheme="URI" content="GUID-AEB26A58-1DE2-46CB-81EC-6DB3A477B7A3"/><meta name="DC.Relation" scheme="URI" content="GUID-279A3698-D09B-44BF-8340-739E19F94727"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-D14E0D5C-2D99-41C8-8857-455409065500"/><title>Criteria for |
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5 retrieving system attribute information </title><script type="text/javascript"> |
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6 function initPage() {} |
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7 </script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-D14E0D5C-2D99-41C8-8857-455409065500"><span>Criteria</span> for |
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8 retrieving system attribute information</h1><div> |
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9 <p>The <code>criteria</code> object specifies the <a href="GUID-B796D072-4E51-4BC7-9259-84530DB3539D.html#GUID-B796D072-4E51-4BC7-9259-84530DB3539D">system attribute</a> about |
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10 which to retrieve information.</p> |
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11 <p>The <code>criteria</code> object has three properties: <code>Entity</code>, <code>Key</code>, |
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12 and <code>SystemData</code>. These are described in the following |
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13 table. Properties enclosed in brackets are optional.</p> |
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14 <div class="tablenoborder"><a name="GUID-040E3B72-CB03-42D6-BBAD-11C62C4B1872"><!----></a><table cellpadding="4" cellspacing="0" summary="" id="GUID-040E3B72-CB03-42D6-BBAD-11C62C4B1872" frame="border" border="1" rules="all"><caption><strong>Table: </strong><span>Criteria</span> object properties</caption> |
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15 |
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16 <thead align="left"> |
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17 <tr class="title "><th class="cellrowborder" valign="top" width="25%" id="d0e67851"> |
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18 <p>Property</p> |
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19 </th><th class="cellrowborder" valign="top" width="25%" id="d0e67856"> |
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20 <p>Description</p> |
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21 </th><th class="cellrowborder" valign="top" width="25%" id="d0e67861"> |
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22 <p>Type</p> |
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23 </th><th class="cellrowborder" valign="top" width="25%" id="d0e67866"> |
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24 <p>Value</p> |
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25 </th></tr> |
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26 </thead> |
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27 <tbody> |
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28 <tr class=""> |
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29 <td class="cellrowborder" valign="top" width="25%" headers="d0e67851 "> |
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30 <p><code>criteria.Entity</code></p> |
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31 </td> |
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32 <td class="cellrowborder" valign="top" width="25%" headers="d0e67856 "> |
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33 <p>Specifies the entity of the system attribute.</p> |
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34 <p>Together with <code>Key</code>, this specifies the system attribute |
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35 to retrieve.</p> |
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36 <p>For more information about entities, see section <a href="GUID-B796D072-4E51-4BC7-9259-84530DB3539D.html#GUID-B796D072-4E51-4BC7-9259-84530DB3539D">System attributes</a>.</p> |
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37 </td> |
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38 <td class="cellrowborder" valign="top" width="25%" headers="d0e67861 "> |
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39 <p>string</p> |
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40 </td> |
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41 <td class="cellrowborder" valign="top" width="25%" headers="d0e67866 "> |
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42 <p>For a complete list of supported entities, see section <a href="GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D.html#GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D">Supported system attributes (entities and keys)</a>.</p> |
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43 <p>For example: <code>"Memory"</code></p> |
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44 </td> |
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45 </tr> |
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46 <tr class="bg "> |
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47 <td class="cellrowborder" valign="top" width="25%" headers="d0e67851 "> |
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48 <p><code>criteria.Key</code></p> |
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49 </td> |
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50 <td class="cellrowborder" valign="top" width="25%" headers="d0e67856 "> |
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51 <p>Specifies the key of the system attribute. The available keys depend |
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52 on the entity.</p> |
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53 <p>Together with <code>Entity</code>, this specifies the system |
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54 attribute to retrieve.</p> |
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55 <p>For more information about keys, see section <a href="GUID-B796D072-4E51-4BC7-9259-84530DB3539D.html#GUID-B796D072-4E51-4BC7-9259-84530DB3539D">System attributes</a>.</p> |
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56 </td> |
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57 <td class="cellrowborder" valign="top" width="25%" headers="d0e67861 "> |
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58 <p>string</p> |
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59 </td> |
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60 <td class="cellrowborder" valign="top" width="25%" headers="d0e67866 "> |
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61 <p>For a complete list of supported keys per entity, see the <strong>Key</strong> column |
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62 of the tables in section <a href="GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D.html#GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D">Supported system attributes (entities and keys)</a>.</p> |
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63 <p>For example: <code>"DriveInfo"</code></p> |
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64 </td> |
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65 </tr> |
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66 <tr class=""> |
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67 <td class="cellrowborder" valign="top" width="25%" headers="d0e67851 "> |
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68 <p><code>[criteria.SystemData]</code></p> |
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69 </td> |
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70 <td class="cellrowborder" valign="top" width="25%" headers="d0e67856 "> |
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71 <p>Specifies the value of the system attribute.</p> |
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72 <p>Some system attributes require this property as input for <a href="GUID-279A3698-D09B-44BF-8340-739E19F94727.html#GUID-279A3698-D09B-44BF-8340-739E19F94727"><code>GetInfo</code></a>. To find out which attributes, see the <strong>Input</strong> column of the |
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73 tables in section <a href="GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D.html#GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D">Supported system attributes (entities and keys)</a>.</p> |
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74 <p>The <code>SystemData</code> object has one or more properties |
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75 that together represent the system attribute value. The exact set of properties |
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76 depends on the system attribute (specifically, on the system data type used |
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77 for input).</p> |
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78 <p>For more information about system attribute values, see section <a href="GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D.html#GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D">Supported system attributes (entities and keys)</a>.</p> |
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79 </td> |
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80 <td class="cellrowborder" valign="top" width="25%" headers="d0e67861 "> |
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81 <p>object</p> |
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82 </td> |
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83 <td class="cellrowborder" valign="top" width="25%" headers="d0e67866 "> |
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84 <p>The object properties depend on the system attribute. See the <strong>Input</strong> column |
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85 cell for the appropriate system attribute in section <a href="GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D.html#GUID-DBB90F32-C1FA-4B0C-9BCA-89177140A60D">Supported system attributes (entities and keys)</a>.</p> |
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86 <p>For example, the <code>Memory - DriveInfo</code> system attribute |
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87 takes <a href="GUID-4C79E511-1C1A-475D-BBBB-4F1F6D406340.html#GUID-3D531FEF-1D7D-4FAC-8208-52794A252C10"><code>DriveInfo</code></a> information |
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88 as input for <code>GetInfo</code>:</p> |
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89 <p><code>SystemData.Drive = "C:\\"</code></p> |
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90 </td> |
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91 </tr> |
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92 </tbody> |
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93 </table></div></div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html> |