Введение в технологию программирования. Ч.1. Среда объектно-ориентированного программирования Delphi. Коржов Е.Н - 23 стр.

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1.7.ɋɨɛɵɬɢɟ OnActivate
Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɭɫɬɚɧɨɜɢɬɶ ɮɨɤɭɫ ɜɜɨɞɚ ɜ ɨɤɧɨ ɪɟɞɚɤɬɨɪɚ ɜ ɫɚɦɨɦ ɧɚ-
ɱɚɥɟ ɪɚɛɨɬɵ, ɫɨɡɞɚɞɢɦ ɟɳɟ ɨɞɢɧ ɨɛɪɚɛɨɬɱɢɤ ɫɨɛɵɬɢɹ. ɋɨɛɵɬɢɟ ɞɥɹ ɮɨɪɦɵ
OnActivate ɜɨɡɧɢɤɚɟɬ ɜ ɦɨɦɟɧɬ ɚɤɬɢɜɢɡɚɰɢɢ ɨɤɧɚ (ɩɪɢ ɩɨɥɭɱɟɧɢɢ ɮɨɤɭɫɚ
ɜɜɨɞɚ).
procedure TForm1.FormActivate(Sender: TObject);
begin
Edit1.SetFocus;
end; { TForm1.FormActivate }
Ɋɢɫ. 3.1.2. Ɉɤɧɨ ɩɪɨɝɪɚɦɦɵ ɩɨɫɥɟ ɟɺ ɡɚɩɭɫɤɚ
ɇɨɜɵɟ ɫɜɨɣɫɬɜɚ, ɦɟɬɨɞɵ, ɫɨɛɵɬɢɹ, ɤɨɬɨɪɵɟ ɜɵ ɢɡɭɱɢɥɢ
23
ɋɜɨɣɫɬɜɚ
Items ɯɪɚɧɢɬ ɫɬɪɨɤɢ ɫɩɢɫɤɚ
ItemIndex ɨɩɪɟɞɟɥɹɟɬ ɧɨɦɟɪ ɜɵɛɪɚɧɧɨɝɨ ɷɥɟɦɟɧɬɚ ɫɩɢɫɤɚ
Checked ɫɨɞɟɪɠɢɬ ɜɵɛɨɪ ɩɨɥɶɡɨɜɚɬɟɥɹ ɬɢɩɚ Ⱦɚ/ɇɟɬ ɜ ɩɟɪɟɤɥɸɱɚ-
ɬɟɥɟ TCheckBox ɢ ɜ ɡɚɜɢɫɢɦɨɦ ɩɟɪɟɤɥɸɱɚɬɟɥɟ
TRadioButton
State ɫɨɞɟɪɠɢɬ ɫɨɫɬɨɹɧɢɟ ɤɨɦɩɨɧɟɧɬɚ: cbUnchecked – ɧɟɬ;
cbChecked – ɞɚ; cbGrayed – ɧɟ ɡɧɚɸ
Position,
Min, Max
ɬɟɤɭɳɟɟ, ɦɢɧɢɦɚɥɶɧɨɟ ɢ ɦɚɤɫɢɦɚɥɶɧɨɟ ɡɧɚɱɟɧɢɹ ɱɢɫɥɨ-
ɜɨɣ ɜɟɥɢɱɢɧɵ
ScrollBars ɨɩɪɟɞɟɥɹɟɬ ɧɚɥɢɱɢɟ ɥɢɧɟɣɤɢ ɩɪɨɤɪɭɬɤɢ
Anchors ɨɩɪɟɞɟɥɹɟɬ ɫɩɨɫɨɛ ɮɢɤɫɢɪɨɜɚɧɢɹ ɞɨɱɟɪɧɟɝɨ ɤɨɦɩɨɧɟɧɬɚ
ɨɬɧɨɫɢɬɟɥɶɧɨ ɝɪɚɧɢɰ ɫɜɨɟɝɨ ɪɨɞɢɬɟɥɶɫɤɨɝɨ ɤɨɦɩɨɧɟɧɬɚ
Ɇɟɬɨɞɵ
Clear ɨɱɢɳɚɟɬ ɫɨɞɟɪɠɢɦɨɟ ɤɨɦɩɨɧɟɧɬɚ
SetFocus ɭɫɬɚɧɚɜɥɢɜɚɟɬ ɮɨɤɭɫ ɜɜɨɞɚ
ɋɨɛɵɬɢɹ
OnScroll ɜɨɡɧɢɤɚɟɬ ɩɪɢ ɥɸɛɨɦ ɢɡɦɟɧɟɧɢɢ ɫɜɨɣɫɬɜɚ Position ɤɨɦ-
    1.7.ɋɨɛɵɬɢɟ OnActivate
     Ⱦɥɹ ɬɨɝɨ ɱɬɨɛɵ ɭɫɬɚɧɨɜɢɬɶ ɮɨɤɭɫ ɜɜɨɞɚ ɜ ɨɤɧɨ ɪɟɞɚɤɬɨɪɚ ɜ ɫɚɦɨɦ ɧɚ-
ɱɚɥɟ ɪɚɛɨɬɵ, ɫɨɡɞɚɞɢɦ ɟɳɟ ɨɞɢɧ ɨɛɪɚɛɨɬɱɢɤ ɫɨɛɵɬɢɹ. ɋɨɛɵɬɢɟ ɞɥɹ ɮɨɪɦɵ
OnActivate ɜɨɡɧɢɤɚɟɬ ɜ ɦɨɦɟɧɬ ɚɤɬɢɜɢɡɚɰɢɢ ɨɤɧɚ (ɩɪɢ ɩɨɥɭɱɟɧɢɢ ɮɨɤɭɫɚ
ɜɜɨɞɚ).
     procedure TForm1.FormActivate(Sender: TObject);
     begin
          Edit1.SetFocus;
     end; { TForm1.FormActivate }




              Ɋɢɫ. 3.1.2. Ɉɤɧɨ ɩɪɨɝɪɚɦɦɵ ɩɨɫɥɟ ɟɺ ɡɚɩɭɫɤɚ

      ɇɨɜɵɟ ɫɜɨɣɫɬɜɚ, ɦɟɬɨɞɵ, ɫɨɛɵɬɢɹ, ɤɨɬɨɪɵɟ ɜɵ ɢɡɭɱɢɥɢ
                                ɋɜɨɣɫɬɜɚ
Items           ɯɪɚɧɢɬ ɫɬɪɨɤɢ ɫɩɢɫɤɚ
ItemIndex       ɨɩɪɟɞɟɥɹɟɬ ɧɨɦɟɪ ɜɵɛɪɚɧɧɨɝɨ ɷɥɟɦɟɧɬɚ ɫɩɢɫɤɚ
Checked         ɫɨɞɟɪɠɢɬ ɜɵɛɨɪ ɩɨɥɶɡɨɜɚɬɟɥɹ ɬɢɩɚ Ⱦɚ/ɇɟɬ ɜ ɩɟɪɟɤɥɸɱɚ-
                ɬɟɥɟ TCheckBox ɢ ɜ ɡɚɜɢɫɢɦɨɦ ɩɟɪɟɤɥɸɱɚɬɟɥɟ
                TRadioButton
State           ɫɨɞɟɪɠɢɬ ɫɨɫɬɨɹɧɢɟ ɤɨɦɩɨɧɟɧɬɚ: cbUnchecked – ɧɟɬ;
                cbChecked – ɞɚ; cbGrayed – ɧɟ ɡɧɚɸ
Position,       ɬɟɤɭɳɟɟ, ɦɢɧɢɦɚɥɶɧɨɟ ɢ ɦɚɤɫɢɦɚɥɶɧɨɟ ɡɧɚɱɟɧɢɹ ɱɢɫɥɨ-
Min, Max        ɜɨɣ ɜɟɥɢɱɢɧɵ
ScrollBars      ɨɩɪɟɞɟɥɹɟɬ ɧɚɥɢɱɢɟ ɥɢɧɟɣɤɢ ɩɪɨɤɪɭɬɤɢ
Anchors         ɨɩɪɟɞɟɥɹɟɬ ɫɩɨɫɨɛ ɮɢɤɫɢɪɨɜɚɧɢɹ ɞɨɱɟɪɧɟɝɨ ɤɨɦɩɨɧɟɧɬɚ
                ɨɬɧɨɫɢɬɟɥɶɧɨ ɝɪɚɧɢɰ ɫɜɨɟɝɨ ɪɨɞɢɬɟɥɶɫɤɨɝɨ ɤɨɦɩɨɧɟɧɬɚ
                                Ɇɟɬɨɞɵ
Clear           ɨɱɢɳɚɟɬ ɫɨɞɟɪɠɢɦɨɟ ɤɨɦɩɨɧɟɧɬɚ
SetFocus        ɭɫɬɚɧɚɜɥɢɜɚɟɬ ɮɨɤɭɫ ɜɜɨɞɚ
                                ɋɨɛɵɬɢɹ
OnScroll        ɜɨɡɧɢɤɚɟɬ ɩɪɢ ɥɸɛɨɦ ɢɡɦɟɧɟɧɢɢ ɫɜɨɣɫɬɜɚ Position ɤɨɦ-
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