Internet connection exist/de: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: Internet connection exist/de
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| 1 | + | Zurück zur Seite [[code examples/de|Code Beispiele]]. | |
| 2 | + | ||
| 3 | + | Dieser Artikel beschäftigt sich mit der Windowsprogrammierung. | |
| 4 | + | ||
| 5 | + | Das Unterprogramm stellt fest, ob eine Internetverbindung besteht. | |
| 6 | + | ||
| 7 | + | Das Beispiel stellt fest, ob eine Internetverbindung besteht: | |
| 8 | + | ||
| 9 | + | ``` pascal | |
| 10 | + | uses | |
| 11 | + | WinInet, Windows, ...; | |
| 12 | + | ||
| 13 | + | ... | |
| 14 | + | ||
| 15 | + | // Die Funktion prüft, ob der lokale PC eine Internetverbindung hat | |
| 16 | + | function funIstOnline: boolean; | |
| 17 | + | var | |
| 18 | + | dwrFlag: DWord; | |
| 19 | + | begin | |
| 20 | + | Result := False; | |
| 21 | + | ||
| 22 | + | dwrFlag := Internet_Connection_Modem or Internet_Connection_Lan or | |
| 23 | + | Internet_Connection_Proxy; | |
| 24 | + | ||
| 25 | + | if InternetGetConnectedState(@dwrFlag, 0) = True then | |
| 26 | + | Result := (dwrFlag = 81); | |
| 27 | + | ||
| 28 | + | end; | |
| 29 | + | ``` | |
| 30 | + | ||
| 31 | + | --- | |
| 32 | + | *From the Free Pascal wiki, page "Internet connection exist/de", as it stood on 2020-02-18 after a change by Trev, 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).* |