Revision 1 of 2, by Wp on 9-9-2018. The page as it is now.

System tab

The System tab of the Component Palette contains non-visual operatingsystem-related components like timers.

<figure> <img src="Component_Palette_System.png" title="Component_Palette_System.png" /> <figcaption>Component_Palette_System.png</figcaption> </figure>

<table> <thead> <tr> <th>Icon</th> <th>Component</th> <th>Description</th> <th>Online Docs</th> </tr> </thead> <tbody> <tr> <td><figure> <img src="ttimer.png" title="ttimer.png" /> <figcaption>ttimer.png</figcaption> </figure></td> <td>TTimer</td> <td>Component allowing processing code at regular intervals</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/extctrls/ttimer.html">Link</a></td> </tr> <tr> <td><figure> <img src="tidletimer.png" title="tidletimer.png" /> <figcaption>tidletimer.png</figcaption> </figure></td> <td>TIdleTimer</td> <td>Similar to TTimer, but can be made active only when application is idle.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/extctrls/tidletimer.html">Link</a></td> </tr> <tr> <td><figure> <img src="tlazcomponentqueue.png" title="tlazcomponentqueue.png" /> <figcaption>tlazcomponentqueue.png</figcaption> </figure></td> <td>TLazComponentQueue</td> <td>Queue for streaming of components, used for multithreading or networking.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lresources/tlazcomponentqueue.html">Link</a></td> </tr> <tr> <td><figure> <img src="thtmlhelpdatabase.png" title="thtmlhelpdatabase.png" /> <figcaption>thtmlhelpdatabase.png</figcaption> </figure></td> <td>THTMLHelpDatabase</td> <td>Allows access to html help pages</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/thtmlhelpdatabase.html">Link</a></td> </tr> <tr> <td><figure> <img src="thtmlbrowserhelpviewer.png" title="thtmlbrowserhelpviewer.png" /> <figcaption>thtmlbrowserhelpviewer.png</figcaption> </figure></td> <td>THTMLBrowserHelpViewer</td> <td>Starts the web browser to view the html help pages managed by THTMLHelpDatabase.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/thtmlbrowserhelpviewer.html">Link</a></td> </tr> <tr> <td><figure> <img src="tasyncprocess.png" title="tasyncprocess.png" /> <figcaption>tasyncprocess.png</figcaption> </figure></td> <td>TAsyncProcess</td> <td>Similar to TProcessUTF8, but can handle asynchronous processes</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tasyncprocess.html">Link</a></td> </tr> <tr> <td><figure> <img src="tsimpleipcclient.png" title="tsimpleipcclient.png" /> <figcaption>tsimpleipcclient.png</figcaption> </figure></td> <td>TSimpleIPCClient</td> <td>Client for a simple one-way "Inter-Process Communication" (IPC) between two processes on the same machine.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tsimpleipcclient.html">Link</a></td> </tr> <tr> <td><figure> <img src="tsimpleipcserver.png" title="tsimpleipcserver.png" /> <figcaption>tsimpleipcserver.png</figcaption> </figure></td> <td>TSimpleIPCServer</td> <td>Server for IPC communication between two processes on the same machine. Needs TSimpleIPCClient.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tsimpleipcserver.html">Link</a></td> </tr> <tr> <td><figure> <img src="txmlconfig.png" title="txmlconfig.png" /> <figcaption>txmlconfig.png</figcaption> </figure></td> <td>TXMLConfig</td> <td>enables applications to stores configuration data in XML files</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/txmlconfig.html">Link</a></td> </tr> <tr> <td><figure> <img src="teventlog.png" title="teventlog.png" /> <figcaption>teventlog.png</figcaption> </figure></td> <td>TEventLog</td> <td>cross-platform event logging system which can write to the system log or to a file</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/teventog.html">Link</a></td> </tr> <tr> <td><figure> <img src="tservicemanager.png" title="tservicemanager.png" /> <figcaption>tservicemanager.png</figcaption> </figure></td> <td>TServiceManager</td> <td>assists in platform-independent managing of services</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tservicemanager.html">Link</a></td> </tr> <tr> <td><figure> <img src="tprocess.png" title="tprocess.png" /> <figcaption>tprocess.png</figcaption> </figure></td> <td>TProcess</td> <td>starts an external process</td> <td>| Link</td> </tr> <tr> <td><figure> <img src="tprocessutf8.png" title="tprocessutf8.png" /> <figcaption>tprocessutf8.png</figcaption> </figure></td> <td>TProcessUTF8</td> <td>like TProcess, but supports UTF8 strings.</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tprocessutf8.html">Link</a></td> </tr> <tr> <td><figure> <img src="tchmhelpdatabase.png" title="tchmhelpdatabase.png" /> <figcaption>tchmhelpdatabase.png</figcaption> </figure></td> <td>TCHMHelpDatabase</td> <td>Allows access to a chm help file</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/tchmhelpdatabase.html">Link</a></td> </tr> <tr> <td><figure> <img src="tlhelpconnector.png" title="tlhelpconnector.png" /> <figcaption>tlhelpconnector.png</figcaption> </figure></td> <td>TLHelpConnector</td> <td>Cooperates with TCHMHelpDatabase to display chm help files using the program lhelp</td> <td>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/tlhelpconnector.html">Link</a></td> </tr> </tbody> </table>

From the Free Pascal wiki, page "System tab", as it stood on 2018-09-09 after a change by Wp, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.