Разработка компонентов в DELPHI. Вощинская Г.Э. - 25 стр.

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ȼ ɞɨɩɨɥɧɟɧɢɟ ɤ ɜɵɛɨɪɭ ɢɦɟɧɢ ɤɨɦɩɨɧɟɧɬɚ ɧɟɨɛɯɨɞɢɦɨ ɜɵɛɪɚɬɶ ɢ

ɢɦɹ ɞɥɹ ɮɚɣɥɚ ɦɨɞɭɥɹ. ȼɨ ɢɡɛɟɠɚɧɢɟ ɧɟɨɞɧɨɡɧɚɱɧɨɫɬɢ ɥɭɱɲɟ ɜɫɟɝɨ ɢɦɟɬɶ

ɭɧɢɤɚɥɶɧɵɟ ɢɦɟɧɚ ɮɚɣɥɨɜ. ɇɚɩɪɢɦɟɪ, ɧɟɪɚɡɭɦɧɨ ɞɥɹ ɤɨɦɩɨɧɟɧɬɚ, ɜɵɛɪɚɧ-

ɧɨɝɨ ɞɥɹ ɩɪɢɦɟɪɚ, ɢɫɩɨɥɶɡɨɜɚɬɶ ɢɦɹ ɦɨɞɭɥɹ Button, ɬɚɤ ɤɚɤ ɜ Delphi ɦɨ-

ɞɭɥɶ ɫ ɬɚɤɢɦ ɢɦɟɧɟɦ ɭɠɟ ɟɫɬɶ. ɉɨɞɞɟɪɠɚɧɢɟ ɢɦɟɧ ɮɚɣɥɨɜ ɦɨɞɭɥɟɣ ɭɧɢ-

ɤɚɥɶɧɵɦɢ ɨɫɨɛɟɧɧɨ ɜɚɠɧɨ ɬɨɝɞɚ, ɤɨɝɞɚ ɭɫɬɚɧɚɜɥɢɜɚɟɬɫɹ ɦɧɨɝɨ ɤɨɦɩɨɧɟɧ-

ɬɨɜ ɢɡ ɪɚɡɧɵɯ ɢɫɬɨɱɧɢɤɨɜ.

ɋɥɟɞɭɹ ɭɩɨɦɹɧɭɬɵɦ ɜɵɲɟ ɫɨɝɥɚɲɟɧɢɹɦ, ɧɚɡɨɜɺɦ ɤɥɚɫɫ ɫɨɡɞɚɜɚɟɦɨɝɨ

ɤɨɦɩɨɧɟɧɬɚ TMyButton. Ɉɛɴɹɜɥɟɧɢɟ ɤɥɚɫɫɚ – ɷɬɨ ɬɨ ɦɟɫɬɨ, ɝɞɟ ɨɛɴɹɜɥɹɸɬ-

ɫɹ ɪɚɡɥɢɱɧɵɟ ɢɧɬɟɪɮɟɣɫɵ ɤɨɦɩɨɧɟɧɬɚ. Ʉɨɧɤɪɟɬɧɨ, ɫ ɩɨɥɶɡɨɜɚɬɟɥɶɫɤɨɣ ɬɨɱ-

ɤɢ ɡɪɟɧɢɹ, ɧɚɢɛɨɥɟɟ ɜɚɠɧɵɦɢ ɹɜɥɹɸɬɫɹ ɪɚɡɞɟɥɵ public ɢ published,

ɩɨɫɤɨɥɶɤɭ ɢɦɟɧɧɨ ɨɧɢ ɨɩɪɟɞɟɥɹɸɬ ɢɧɬɟɪɮɟɣɫɵ ɜɪɟɦɟɧɢ ɜɵɩɨɥɧɟɧɢɹ

(runtime) ɢ ɜɪɟɦɟɧɢ ɩɪɨɟɤɬɢɪɨɜɚɧɢɹ (design-time) ɫɨɨɬɜɟɬɫɬɜɟɧɧɨ.

ɋɜɨɣɫɬɜɚ, ɦɟɬɨɞɵ ɢ ɫɨɛɵɬɢɹ, ɨɛɴɹɜɥɟɧɧɵɟ ɜ ɪɚɡɞɟɥɟ public, ɫɨ-

ɫɬɚɜɥɹɸɬ ɢɧɬɟɪɮɟɣɫ ɜɪɟɦɟɧɢ ɜɵɩɨɥɧɟɧɢɹ. ɇɚ ɷɬɢ ɷɥɟɦɟɧɬɵ ɦɨɠɧɨ ɫɨ-

ɫɥɚɬɶɫɹ ɢɥɢ ɢɯ ɦɨɠɧɨ ɢɫɩɨɥɶɡɨɜɚɬɶ ɬɨɥɶɤɨ ɬɨɝɞɚ, ɤɨɝɞɚ ɩɪɢɥɨɠɟɧɢɟ, ɢɫ-

ɩɨɥɶɡɭɸɳɟɟ ɤɨɦɩɨɧɟɧɬ, ɜɵɩɨɥɧɹɟɬɫɹ. ɋɜɨɣɫɬɜɚ ɢ ɫɨɛɵɬɢɹ, ɨɛɴɹɜɥɟɧɧɵɟ ɜ

ɪɚɡɞɟɥɟ published, ɬɚɤɠɟ ɞɨɫɬɭɩɧɵ ɜɨ ɜɪɟɦɹ ɜɵɩɨɥɧɟɧɢɹ, ɧɨ ɛɨɥɟɟ ɜɚɠ-

ɧɨ ɬɨ, ɱɬɨ ɨɧɢ ɞɨɫɬɭɩɧɵ ɜ ɂɧɫɩɟɤɬɨɪɟ ɨɛɴɟɤɬɨɜ ɜɨ ɜɪɟɦɹ ɩɪɨɟɤɬɢɪɨɜɚɧɢɹ.

ɗɤɫɩɟɪɬ ɤɨɦɩɨɧɟɧɬɨɜ ɧɟ ɡɚɩɨɥɧɹɟɬ ɜɫɟɯ ɪɚɡɞɟɥɨɜ ɝɟɧɟɪɢɪɭɟɦɨɝɨ

ɤɥɚɫɫɚ ɤɨɦɩɨɧɟɧɬɚ.

Ɉɧ ɨɝɪɚɧɢɱɢɜɚɟɬɫɹ ɨɛɴɹɜɥɟɧɢɟɦ ɱɟɬɵɪɟɯ ɪɚɡɥɢɱɧɵɯ

ɪɚɡɞɟɥɨɜ.

3.2. ɋɨɡɞɚɧɢɟ ɮɚɣɥɚ ɦɨɞɭɥɹ

ɗɤɫɩɟɪɬ ɤɨɦɩɨɧɟɧɬɨɜ ɹɜɥɹɟɬɫɹ ɩɨɥɟɡɧɵɦ ɢɧɫɬɪɭɦɟɧɬɨɦ ɩɪɢ ɫɨɡɞɚ-

ɧɢɢ ɦɨɞɭɥɟɣ ɧɨɜɵɯ ɤɨɦɩɨɧɟɧɬɨɜ. ɇɚ ɪɢɫ. 2 ɩɪɟɞɫɬɚɜɥɟɧɨ ɞɢɚɥɨɝɨɜɨɟ ɨɤɧɨ

ɗɤɫɩɟɪɬɚ ɤɨɦɩɨɧɟɧɬɨɜ, ɨɬɨɛɪɚɠɚɟɦɨɟ ɩɪɢ ɜɵɛɨɪɟ ɩɭɧɤɬɚ ɦɟɧɸ

File|New|Other|Component ɢɥɢ Component|New Component.

ɗɤɫɩɟɪɬ ɤɨɦɩɨɧɟɧɬɨɜ ɬɪɟɛɭɟɬ ɜɜɟɫɬɢ ɫɥɟɞɭɸɳɭɸ ɢɧɮɨɪɦɚɰɢɸ: