PChar/es: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: PChar/es
| Old | New | Line | |
|---|---|---|---|
| 1 | + | Un **PChar** es un [[Data type]] y un [[Pointer]] a una cadena terminada en null. La aplicación más importante de PChar es para su interacción con librerías de sistema tales como dll's. | |
| 2 | + | ||
| 3 | + | Messagebox: | |
| 4 | + | ||
| 5 | + | ``` pascal | |
| 6 | + | var | |
| 7 | + | s: String; | |
| 8 | + | begin | |
| 9 | + | s := 'Test'; | |
| 10 | + | Application.MessageBox( PChar(s)),'Título', MB_OK ); | |
| 11 | + | end; | |
| 12 | + | ``` | |
| 13 | + | ||
| 14 | + | Declaration: | |
| 15 | + | ||
| 16 | + | ``` pascal | |
| 17 | + | var | |
| 18 | + | p: PChar; | |
| 19 | + | ``` | |
| 20 | + | ||
| 21 | + | Valid assignments: | |
| 22 | + | ||
| 23 | + | ``` pascal | |
| 24 | + | p := 'Esto es una cadena terminada en null.'; | |
| 25 | + | p := IntToStr(45); | |
| 26 | + | ``` | |
| 27 | + | ||
| 28 | + | Argumentos no válidos: | |
| 29 | + | ||
| 30 | + | ``` pascal | |
| 31 | + | p := 45; | |
| 32 | + | ``` | |
| 33 | + | ||
| 34 | + | El valor integer no se ha caracterizado como PChar que es lo que se esperaba. | |
| 35 | + | ||
| 36 | + | ## Ver también | |
| 37 | + | ||
| 38 | + | - [[Character and string types]] | |
| 39 | + | ||
| 40 | + | --- | |
| 41 | + | *From the Free Pascal wiki, page "PChar/es", as it stood on 2021-09-03 after a change by Kai Burghardt, 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).* |