Is a sound card available/de: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: Is a sound card available/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 | + | Die Funktion prüft, ob sich eine Soundkarte im Rechner befindet. | |
| 6 | + | ||
| 7 | + | ``` pascal | |
| 8 | + | uses | |
| 9 | + | ...; | |
| 10 | + | ||
| 11 | + | // Aufruf der Windowsfunktion IsSoundkarte aus der Windows-DLL winmm.dll | |
| 12 | + | function IsSoundKarte: longint; stdcall; external 'winmm.dll' | |
| 13 | + | Name 'waveOutGetNumDevs'; | |
| 14 | + | ||
| 15 | + | // Funktion um den Aufruf der Windows-Dll zu demonstrieren | |
| 16 | + | function funTest: string; | |
| 17 | + | begin | |
| 18 | + | ||
| 19 | + | if IsSoundKarte = 0 then | |
| 20 | + | Result := 'Keine Soundkarte vorhanden' | |
| 21 | + | else | |
| 22 | + | Result := 'Soundkarte vorhanden'; | |
| 23 | + | end; | |
| 24 | + | ``` | |
| 25 | + | ||
| 26 | + | --- | |
| 27 | + | *From the Free Pascal wiki, page "Is a sound card available/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).* |