Sign in Join
Wiki copytemporary

System tab: what changed

Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.

Title: System tab

OldNewLine
1+The **System tab** of the [[Component Palette]] contains non-visual operatingsystem-related components like timers.
2+
3+<figure>
4+<img src="Component_Palette_System.png" title="Component_Palette_System.png" />
5+<figcaption>Component_Palette_System.png</figcaption>
6+</figure>
7+
8+<table>
9+<thead>
10+<tr>
11+<th><p>Icon</p></th>
12+<th><p>Component</p></th>
13+<th><p>Description</p></th>
14+<th><p>Online Docs</p></th>
15+</tr>
16+</thead>
17+<tbody>
18+<tr>
19+<td><figure>
20+<img src="ttimer.png" title="ttimer.png" />
21+<figcaption>ttimer.png</figcaption>
22+</figure></td>
23+<td><p>[[TTimer]]</p></td>
24+<td><p>Component allowing processing code at regular intervals</p></td>
25+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/extctrls/ttimer.html">Link</a></p></td>
26+</tr>
27+<tr>
28+<td><figure>
29+<img src="tidletimer.png" title="tidletimer.png" />
30+<figcaption>tidletimer.png</figcaption>
31+</figure></td>
32+<td><p>[[TIdleTimer]]</p></td>
33+<td><p>Similar to [[TTimer]], but can be made active only when application is idle.</p></td>
34+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/extctrls/tidletimer.html">Link</a></p></td>
35+</tr>
36+<tr>
37+<td><figure>
38+<img src="tlazcomponentqueue.png" title="tlazcomponentqueue.png" />
39+<figcaption>tlazcomponentqueue.png</figcaption>
40+</figure></td>
41+<td><p>[[TLazComponentQueue]]</p></td>
42+<td><p>Queue for streaming of components, used for multithreading or networking.</p></td>
43+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lresources/tlazcomponentqueue.html">Link</a></p></td>
44+</tr>
45+<tr>
46+<td><figure>
47+<img src="thtmlhelpdatabase.png" title="thtmlhelpdatabase.png" />
48+<figcaption>thtmlhelpdatabase.png</figcaption>
49+</figure></td>
50+<td><p>[[THTMLHelpDatabase]]</p></td>
51+<td><p>Allows access to html help pages</p></td>
52+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/thtmlhelpdatabase.html">Link</a></p></td>
53+</tr>
54+<tr>
55+<td><figure>
56+<img src="thtmlbrowserhelpviewer.png" title="thtmlbrowserhelpviewer.png" />
57+<figcaption>thtmlbrowserhelpviewer.png</figcaption>
58+</figure></td>
59+<td><p>[[THTMLBrowserHelpViewer]]</p></td>
60+<td><p>Starts the web browser to view the html help pages managed by [[THTMLHelpDatabase]].</p></td>
61+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/thtmlbrowserhelpviewer.html">Link</a></p></td>
62+</tr>
63+<tr>
64+<td><figure>
65+<img src="tasyncprocess.png" title="tasyncprocess.png" />
66+<figcaption>tasyncprocess.png</figcaption>
67+</figure></td>
68+<td><p>[[TAsyncProcess]]</p></td>
69+<td><p>Similar to [[TProcessUTF8]], but can handle asynchronous processes</p></td>
70+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tasyncprocess.html">Link</a></p></td>
71+</tr>
72+<tr>
73+<td><figure>
74+<img src="tsimpleipcclient.png" title="tsimpleipcclient.png" />
75+<figcaption>tsimpleipcclient.png</figcaption>
76+</figure></td>
77+<td><p>[[TSimpleIPCClient]]</p></td>
78+<td><p>Client for a simple one-way "Inter-Process Communication" (IPC) between two processes on the same machine.</p></td>
79+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tsimpleipcclient.html">Link</a></p></td>
80+</tr>
81+<tr>
82+<td><figure>
83+<img src="tsimpleipcserver.png" title="tsimpleipcserver.png" />
84+<figcaption>tsimpleipcserver.png</figcaption>
85+</figure></td>
86+<td><p>[[TSimpleIPCServer]]</p></td>
87+<td><p>Server for IPC communication between two processes on the same machine. Needs [[TSimpleIPCClient]].</p></td>
88+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tsimpleipcserver.html">Link</a></p></td>
89+</tr>
90+<tr>
91+<td><figure>
92+<img src="txmlconfig.png" title="txmlconfig.png" />
93+<figcaption>txmlconfig.png</figcaption>
94+</figure></td>
95+<td><p>[[TXMLConfig]]</p></td>
96+<td><p>enables applications to stores configuration data in XML files</p></td>
97+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/txmlconfig.html">Link</a></p></td>
98+</tr>
99+<tr>
100+<td><figure>
101+<img src="teventlog.png" title="teventlog.png" />
102+<figcaption>teventlog.png</figcaption>
103+</figure></td>
104+<td><p>[[TEventLog]]</p></td>
105+<td><p>cross-platform event logging system which can write to the system log or to a file</p></td>
106+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/teventog.html">Link</a></p></td>
107+</tr>
108+<tr>
109+<td><figure>
110+<img src="tservicemanager.png" title="tservicemanager.png" />
111+<figcaption>tservicemanager.png</figcaption>
112+</figure></td>
113+<td><p>[[TServiceManager]]</p></td>
114+<td><p>assists in platform-independent managing of services</p></td>
115+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tservicemanager.html">Link</a></p></td>
116+</tr>
117+<tr>
118+<td><figure>
119+<img src="tprocess.png" title="tprocess.png" />
120+<figcaption>tprocess.png</figcaption>
121+</figure></td>
122+<td><p>[[TProcess]]</p></td>
123+<td><p>starts an external process</p></td>
124+<td><p>| [[doc:fcl/process/tprocess.html|Link]]</p></td>
125+</tr>
126+<tr>
127+<td><figure>
128+<img src="tprocessutf8.png" title="tprocessutf8.png" />
129+<figcaption>tprocessutf8.png</figcaption>
130+</figure></td>
131+<td><p>[[TProcessUTF8]]</p></td>
132+<td><p>like [[TProcess]], but supports UTF8 strings.</p></td>
133+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/asyncprocess/tprocessutf8.html">Link</a></p></td>
134+</tr>
135+<tr>
136+<td><figure>
137+<img src="tchmhelpdatabase.png" title="tchmhelpdatabase.png" />
138+<figcaption>tchmhelpdatabase.png</figcaption>
139+</figure></td>
140+<td><p>[[TCHMHelpDatabase]]</p></td>
141+<td><p>Allows access to a chm help file</p></td>
142+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/tchmhelpdatabase.html">Link</a></p></td>
143+</tr>
144+<tr>
145+<td><figure>
146+<img src="tlhelpconnector.png" title="tlhelpconnector.png" />
147+<figcaption>tlhelpconnector.png</figcaption>
148+</figure></td>
149+<td><p>[[TLHelpConnector]]</p></td>
150+<td><p>Cooperates with [[TCHMHelpDatabase]] to display chm help files using the program <em>lhelp</em></p></td>
151+<td><p>| <a href="http://lazarus-ccr.sourceforge.net/docs/lcl/lazhelphtml/tlhelpconnector.html">Link</a></p></td>
152+</tr>
153+</tbody>
154+</table>
155+
156+---
157+*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](/wiki-contact).*
158+Category: Component Palette

Back to history