Введение в технологию программирования. Ч.1. Среда объектно-ориентированного программирования Delphi. Коржов Е.Н - 15 стр.

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– ɉɪɨɫɦɨɬɪɢɬɟ ɫɨɞɟɪɠɢɦɨɟ ɤɚɠɞɨɣ ɫɬɪɚɧɢɰɵ ɩɚɥɢɬɪɵ ɤɨɦɩɨɧɟɧɬɨɜ.
– Ʉɚɤ ɢ ɩɚɧɟɥɶ ɤɧɨɩɨɤ, ɩɚɥɢɬɪɚ ɤɨɦɩɨɧɟɧɬɨɜ ɦɨɠɟɬ ɧɚɫɬɪɚɢɜɚɬɶɫɹ.
Ⱦɥɹ ɷɬɨɝɨ ɢɫɩɨɥɶɡɭɟɬɫɹ ɫɩɟɰɢɚɥɶɧɵɣ ɪɟɞɚɤɬɨɪ Palette Properties, ɨɤɧɨ ɤɨ-
ɬɨɪɨɝɨ ɩɨɹɜɥɹɟɬɫɹ ɧɚ ɷɤɪɚɧɟ ɩɨɫɥɟ ɳɟɥɱɤɚ ɩɪɚɜɨɣ ɤɧɨɩɤɨɣ ɦɵɲɢ ɧɚ ɥɸɛɨɣ
ɩɢɤɬɨɝɪɚɦɦɟ ɜ ɩɚɥɢɬɪɟ ɤɨɦɩɨɧɟɧɬɨɜ ɢ ɜɵɛɨɪɚ ɨɩɰɢɢ Properties. «ɉɟɪɟɬɚ-
ɳɢɬɟ» ɫɬɪɨɤɭ Samples ɜɨɤɧɟPages ɪɟɞɚɤɬɨɪɚ ɩɚɥɢɬɪɵ ɜɜɟɪɯ ɢ «ɩɨɥɨɠɢ-
ɬɟ» ɟɟ ɧɚ ɫɬɪɨɤɭ Data Access. Ɂɚɤɪɨɣɬɟ ɨɤɧɨ Palette Properties. ɋɬɪɚɧɢɰɚ
Samples ɬɟɩɟɪɶ ɪɚɫɩɨɥɨɠɟɧɚ ɧɚ ɩɹɬɨɦ ɦɟɫɬɟ ɢ ɞɨɫɬɭɩɧɚ ɛɟɡ «ɩɪɨɤɪɭɬɤɢ»
ɡɚɤɥɚɞɨɤ ɩɚɥɢɬɪɵ.
1.3. Ɂɧɚɤɨɦɫɬɜɨ ɫ ɨɤɧɨɦ ɮɨɪɦɵ
1. Ɉɤɧɨ ɮɨɪɦɵ ɩɪɟɞɫɬɚɜɥɹɟɬ ɫɨɛɨɣ ɩɪɨɟɤɬ Windows-ɨɤɧɚ ɛɭɞɭɳɟɣ
ɩɪɨɝɪɚɦɦɵ. ȼɧɚɱɚɥɟ ɨɤɧɨ ɮɨɪɦɵ ɫɨɞɟɪɠɢɬ ɬɨɥɶɤɨ ɫɬɚɧɞɚɪɬɧɵɟ ɞɥɹ
Windows ɢɧɬɟɪɮɟɣɫɧɵɟ ɷɥɟɦɟɧɬɵ – ɫɬɪɨɤɭ ɡɚɝɨɥɨɜɤɚ ɫ ɤɧɨɩɤɚɦɢ ɜɵɡɨɜɚ
ɫɢɫɬɟɦɧɨɝɨ ɦɟɧɸ ɢ ɢɡɦɟɧɟɧɢɹ ɜɢɞɚ ɨɤɧɚ – ɦɚɤɫɢɦɢɡɚɰɢɢ, ɦɢɧɢɦɢɡɚɰɢɢ ɢ
ɡɚɤɪɵɬɢɹ, ɚ ɬɚɤɠɟ ɨɱɟɪɱɢɜɚɸɳɭɸ ɟɝɨ ɪɚɦɤɭ. ȼɢɡɭɚɥɶɧɨ ɨɬɦɟɬɶɬɟ ɷɬɢ ɷɥɟ-
ɦɟɧɬɵ ɧɚ ɮɨɪɦɟ.
2. ɉɪɢ ɧɚɠɚɬɢɢ ɤɧɨɩɤɢ <F9> ɜɵɩɨɥɧɹɸɬɫɹ ɬɪɢ ɷɬɚɩɚ: ɤɨɦɩɢɥɹɰɢɹ,
ɤɨɦɩɨɧɨɜɤɚ, ɢɫɩɨɥɧɟɧɢɟ ɩɪɨɝɪɚɦɦɵ.
– Ɉɫɭɳɟɫɬɜɢɬɟ ɩɪɨɝɨɧ ɩɪɨɝɪɚɦɦɵ, ɧɚɠɚɜ ɤɧɨɩɤɭ <F9>.
– ɇɚ ɷɤɪɚɧɟ ɪɚɛɨɬɚɸɳɟɟ ɩɪɢɥɨɠɟɧɢɟ, ɩɪɟɞɫɬɚɜɥɹɸɳɟɟ ɫɨɛɨɣ ɩɭɫɬɨɟ
ɨɤɧɨ. Ɂɚɤɪɨɣɬɟ ɩɪɢɥɨɠɟɧɢɟ.
3. Ʉɨɦɩɨɧɟɧɬɵ ɫ ɉɚɥɢɬɪɵ ɤɨɦɩɨɧɟɧɬɨɜ ɪɚɡɦɟɳɚɸɬɫɹ ɧɚ ɩɨɜɟɪɯɧɨɫɬɢ
ɮɨɪɦɵ. Ⱦɥɹ ɷɬɨɝɨ ɫɧɚɱɚɥɚ ɧɭɠɧɨ ɤɨɦɩɨɧɟɧɬ ɜɵɛɪɚɬɶ
(ɳɟɥɤɧɭɬɶ ɩɨ ɧɟɦɭ
ɦɵɲɶɸ) ɜ ɉɚɥɢɬɪɟ ɤɨɦɩɨɧɟɧɬɨɜ, ɚ ɡɚɬɟɦ ɳɟɥɤɧɭɬɶ ɦɵɲɶɸ ɩɨ ɬɨɱɤɟ ɪɚɛɨ-
ɱɟɝɨ ɩɨɥɹ ɮɨɪɦɵ, ɝɞɟ ɞɨɥɠɟɧ ɪɚɫɩɨɥɚɝɚɬɶɫɹ ɥɟɜɵɣ ɜɟɪɯɧɢɣ ɭɝɨɥ ɤɨɦɩɨ-
ɧɟɧɬɚ. Ɋɚɡɦɟɫɬɢɬɟ ɧɚ ɮɨɪɦɟ ɤɨɦɩɨɧɟɧɬɵ, ɪɚɫɩɨɥɨɠɟɧɧɵɟ ɧɚ ɩɚɧɟɥɢ
Standard.
4. Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɭɛɪɚɬɶ ɤɨɦɩɨɧɟɧɬ ɫ ɩɨɜɟɪɯɧɨɫɬɢ ɮɨɪɦɵ, ɧɟɨɛɯɨɞɢ-
ɦɨ ɜɵɞɟɥɢɬɶ ɤɨɦɩɨɧɟɧɬ ɢ ɧɚɠɚɬɶ ɤɥɚɜɢɲɭ <Delete>. ɍɛɟɪɢɬɟ ɤɨɦɩɨɧɟɧɬɵ
ɫ ɩɨɜɟɪɯɧɨɫɬɢ ɮɨɪɦɵ.
1.4. Ɂɧɚɤɨɦɫɬɜɨ ɫ ɨɤɧɨɦ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ
1. Ɉɤɧɨ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ ɫɨɞɟɪɠɢɬ ɞɜɟ ɫɬɪɚɧɢɰɵ: Properties ɢ
Events. ɋɬɪɚɧɢɰɚ Properties ɫɥɭɠɢɬ ɞɥɹ ɭɫɬɚɧɨɜɤɢ ɧɭɠɧɵɯ ɫɜɨɣɫɬɜ ɤɨɦ-
ɩɨɧɟɧɬɚ, ɫɬɪɚɧɢɰɚ Events ɩɨɡɜɨɥɹɟɬ ɨɩɪɟɞɟɥɢɬɶ ɪɟɚɤɰɢɸ ɤɨɦɩɨɧɟɧɬɚ ɧɚ ɬɨ
ɢɥɢ ɢɧɨɟ ɫɨɛɵɬɢɟ. ȼ ɜɟɪɯɧɟɣ ɱɚɫɬɢ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ ɪɚɫɩɨɥɚɝɚɟɬɫɹ
ɪɚɫɤɪɵɜɚɸɳɢɣɫɹ ɫɩɢɫɨɤ ɜɫɟɯ ɤɨɦɩɨɧɟɧɬɨɜ, ɩɨɦɟɳɟɧɧɵɯ ɧɚ ɮɨɪɦɭ. ɉɪɨ-
ɫɦɨɬɪɢɬɟ ɫɜɨɣɫɬɜɚ ɮɨɪɦɵ, ɩɪɟɞɫɬɚɜɥɟɧɧɵɟ ɧɚ ɫɬɪɚɧɢɰɟ Properties.
2. ɉɨ ɭɦɨɥɱɚɧɢɸ ɡɚɝɨɥɨɜɨɤ ɨɤɧɚ ɫɨɜɩɚɞɚɟɬ ɫ ɡɚɝɨɥɨɜɤɨɦ ɮɨɪɦɵ:
Form1. ɂɡɦɟɧɢɬɟ ɫɜɨɣɫɬɜɨ Caption ɫ Form1 ɧɚ Ʌɚɛɨɪɚɬɨɪɧɚɹ ɪɚɛɨɬɚ
    – ɉɪɨɫɦɨɬɪɢɬɟ ɫɨɞɟɪɠɢɦɨɟ ɤɚɠɞɨɣ ɫɬɪɚɧɢɰɵ ɩɚɥɢɬɪɵ ɤɨɦɩɨɧɟɧɬɨɜ.
    – Ʉɚɤ ɢ ɩɚɧɟɥɶ ɤɧɨɩɨɤ, ɩɚɥɢɬɪɚ ɤɨɦɩɨɧɟɧɬɨɜ ɦɨɠɟɬ ɧɚɫɬɪɚɢɜɚɬɶɫɹ.
Ⱦɥɹ ɷɬɨɝɨ ɢɫɩɨɥɶɡɭɟɬɫɹ ɫɩɟɰɢɚɥɶɧɵɣ ɪɟɞɚɤɬɨɪ Palette Properties, ɨɤɧɨ ɤɨ-
ɬɨɪɨɝɨ ɩɨɹɜɥɹɟɬɫɹ ɧɚ ɷɤɪɚɧɟ ɩɨɫɥɟ ɳɟɥɱɤɚ ɩɪɚɜɨɣ ɤɧɨɩɤɨɣ ɦɵɲɢ ɧɚ ɥɸɛɨɣ
ɩɢɤɬɨɝɪɚɦɦɟ ɜ ɩɚɥɢɬɪɟ ɤɨɦɩɨɧɟɧɬɨɜ ɢ ɜɵɛɨɪɚ ɨɩɰɢɢ Properties. «ɉɟɪɟɬɚ-
ɳɢɬɟ» ɫɬɪɨɤɭ Samples ɜ ɨɤɧɟ Pages ɪɟɞɚɤɬɨɪɚ ɩɚɥɢɬɪɵ ɜɜɟɪɯ ɢ «ɩɨɥɨɠɢ-
ɬɟ» ɟɟ ɧɚ ɫɬɪɨɤɭ Data Access. Ɂɚɤɪɨɣɬɟ ɨɤɧɨ Palette Properties. ɋɬɪɚɧɢɰɚ
Samples ɬɟɩɟɪɶ ɪɚɫɩɨɥɨɠɟɧɚ ɧɚ ɩɹɬɨɦ ɦɟɫɬɟ ɢ ɞɨɫɬɭɩɧɚ ɛɟɡ «ɩɪɨɤɪɭɬɤɢ»
ɡɚɤɥɚɞɨɤ ɩɚɥɢɬɪɵ.
    1.3. Ɂɧɚɤɨɦɫɬɜɨ ɫ ɨɤɧɨɦ ɮɨɪɦɵ
    1. Ɉɤɧɨ ɮɨɪɦɵ ɩɪɟɞɫɬɚɜɥɹɟɬ ɫɨɛɨɣ ɩɪɨɟɤɬ Windows-ɨɤɧɚ ɛɭɞɭɳɟɣ
ɩɪɨɝɪɚɦɦɵ. ȼɧɚɱɚɥɟ ɨɤɧɨ ɮɨɪɦɵ ɫɨɞɟɪɠɢɬ ɬɨɥɶɤɨ ɫɬɚɧɞɚɪɬɧɵɟ ɞɥɹ
Windows ɢɧɬɟɪɮɟɣɫɧɵɟ ɷɥɟɦɟɧɬɵ – ɫɬɪɨɤɭ ɡɚɝɨɥɨɜɤɚ ɫ ɤɧɨɩɤɚɦɢ ɜɵɡɨɜɚ
ɫɢɫɬɟɦɧɨɝɨ ɦɟɧɸ ɢ ɢɡɦɟɧɟɧɢɹ ɜɢɞɚ ɨɤɧɚ – ɦɚɤɫɢɦɢɡɚɰɢɢ, ɦɢɧɢɦɢɡɚɰɢɢ ɢ
ɡɚɤɪɵɬɢɹ, ɚ ɬɚɤɠɟ ɨɱɟɪɱɢɜɚɸɳɭɸ ɟɝɨ ɪɚɦɤɭ. ȼɢɡɭɚɥɶɧɨ ɨɬɦɟɬɶɬɟ ɷɬɢ ɷɥɟ-
ɦɟɧɬɵ ɧɚ ɮɨɪɦɟ.
    2. ɉɪɢ ɧɚɠɚɬɢɢ ɤɧɨɩɤɢ  ɜɵɩɨɥɧɹɸɬɫɹ ɬɪɢ ɷɬɚɩɚ: ɤɨɦɩɢɥɹɰɢɹ,
ɤɨɦɩɨɧɨɜɤɚ, ɢɫɩɨɥɧɟɧɢɟ ɩɪɨɝɪɚɦɦɵ.
     – Ɉɫɭɳɟɫɬɜɢɬɟ ɩɪɨɝɨɧ ɩɪɨɝɪɚɦɦɵ, ɧɚɠɚɜ ɤɧɨɩɤɭ .
     – ɇɚ ɷɤɪɚɧɟ ɪɚɛɨɬɚɸɳɟɟ ɩɪɢɥɨɠɟɧɢɟ, ɩɪɟɞɫɬɚɜɥɹɸɳɟɟ ɫɨɛɨɣ ɩɭɫɬɨɟ
       ɨɤɧɨ. Ɂɚɤɪɨɣɬɟ ɩɪɢɥɨɠɟɧɢɟ.
    3. Ʉɨɦɩɨɧɟɧɬɵ ɫ ɉɚɥɢɬɪɵ ɤɨɦɩɨɧɟɧɬɨɜ ɪɚɡɦɟɳɚɸɬɫɹ ɧɚ ɩɨɜɟɪɯɧɨɫɬɢ
ɮɨɪɦɵ. Ⱦɥɹ ɷɬɨɝɨ ɫɧɚɱɚɥɚ ɧɭɠɧɨ ɤɨɦɩɨɧɟɧɬ ɜɵɛɪɚɬɶ (ɳɟɥɤɧɭɬɶ ɩɨ ɧɟɦɭ
ɦɵɲɶɸ) ɜ ɉɚɥɢɬɪɟ ɤɨɦɩɨɧɟɧɬɨɜ, ɚ ɡɚɬɟɦ ɳɟɥɤɧɭɬɶ ɦɵɲɶɸ ɩɨ ɬɨɱɤɟ ɪɚɛɨ-
ɱɟɝɨ ɩɨɥɹ ɮɨɪɦɵ, ɝɞɟ ɞɨɥɠɟɧ ɪɚɫɩɨɥɚɝɚɬɶɫɹ ɥɟɜɵɣ ɜɟɪɯɧɢɣ ɭɝɨɥ ɤɨɦɩɨ-
ɧɟɧɬɚ. Ɋɚɡɦɟɫɬɢɬɟ ɧɚ ɮɨɪɦɟ ɤɨɦɩɨɧɟɧɬɵ, ɪɚɫɩɨɥɨɠɟɧɧɵɟ ɧɚ ɩɚɧɟɥɢ
Standard.
    4. Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɭɛɪɚɬɶ ɤɨɦɩɨɧɟɧɬ ɫ ɩɨɜɟɪɯɧɨɫɬɢ ɮɨɪɦɵ, ɧɟɨɛɯɨɞɢ-
ɦɨ ɜɵɞɟɥɢɬɶ ɤɨɦɩɨɧɟɧɬ ɢ ɧɚɠɚɬɶ ɤɥɚɜɢɲɭ . ɍɛɟɪɢɬɟ ɤɨɦɩɨɧɟɧɬɵ
ɫ ɩɨɜɟɪɯɧɨɫɬɢ ɮɨɪɦɵ.
    1.4. Ɂɧɚɤɨɦɫɬɜɨ ɫ ɨɤɧɨɦ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ
    1. Ɉɤɧɨ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ ɫɨɞɟɪɠɢɬ ɞɜɟ ɫɬɪɚɧɢɰɵ: Properties ɢ
Events. ɋɬɪɚɧɢɰɚ Properties ɫɥɭɠɢɬ ɞɥɹ ɭɫɬɚɧɨɜɤɢ ɧɭɠɧɵɯ ɫɜɨɣɫɬɜ ɤɨɦ-
ɩɨɧɟɧɬɚ, ɫɬɪɚɧɢɰɚ Events ɩɨɡɜɨɥɹɟɬ ɨɩɪɟɞɟɥɢɬɶ ɪɟɚɤɰɢɸ ɤɨɦɩɨɧɟɧɬɚ ɧɚ ɬɨ
ɢɥɢ ɢɧɨɟ ɫɨɛɵɬɢɟ. ȼ ɜɟɪɯɧɟɣ ɱɚɫɬɢ ɢɧɫɩɟɤɬɨɪɚ ɨɛɴɟɤɬɨɜ ɪɚɫɩɨɥɚɝɚɟɬɫɹ
ɪɚɫɤɪɵɜɚɸɳɢɣɫɹ ɫɩɢɫɨɤ ɜɫɟɯ ɤɨɦɩɨɧɟɧɬɨɜ, ɩɨɦɟɳɟɧɧɵɯ ɧɚ ɮɨɪɦɭ. ɉɪɨ-
ɫɦɨɬɪɢɬɟ ɫɜɨɣɫɬɜɚ ɮɨɪɦɵ, ɩɪɟɞɫɬɚɜɥɟɧɧɵɟ ɧɚ ɫɬɪɚɧɢɰɟ Properties.
   2. ɉɨ ɭɦɨɥɱɚɧɢɸ ɡɚɝɨɥɨɜɨɤ ɨɤɧɚ ɫɨɜɩɚɞɚɟɬ ɫ ɡɚɝɨɥɨɜɤɨɦ ɮɨɪɦɵ:
Form1. ɂɡɦɟɧɢɬɟ ɫɜɨɣɫɬɜɨ Caption ɫ Form1 ɧɚ Ʌɚɛɨɪɚɬɨɪɧɚɹ ɪɚɛɨɬɚ

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