| 1 | unit UMainForm;
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| 2 |
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| 3 | interface
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| 4 |
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| 5 | uses
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| 6 | Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
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| 7 | Dialogs, UObjectString, UObjectInteger, UObjectBoolean, StdCtrls;
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| 8 |
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| 9 | type
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| 10 | TMainForm = class(TForm)
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| 11 | Button1: TButton;
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| 12 | Memo1: TMemo;
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| 13 | Button2: TButton;
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| 14 | Button3: TButton;
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| 15 | Button4: TButton;
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| 16 | procedure Button1Click(Sender: TObject);
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| 17 | procedure Button4Click(Sender: TObject);
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| 18 | private
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| 19 | { Private declarations }
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| 20 | public
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| 21 | { Public declarations }
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| 22 | end;
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| 23 |
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| 24 | var
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| 25 | MainForm: TMainForm;
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| 26 |
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| 27 | implementation
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| 28 |
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| 29 | {$R *.dfm}
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| 30 |
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| 31 | procedure TMainForm.Button1Click(Sender: TObject);
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| 32 | var
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| 33 | Operand1: TBoolean;
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| 34 | Operand2: TBoolean;
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| 35 | Result: TBoolean;
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| 36 | Int: TInteger;
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| 37 | begin
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| 38 | with Memo1, Lines do begin
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| 39 | Clear;
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| 40 | Operand1 := TBoolean.Create;
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| 41 | Operand2 := TBoolean.Create;
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| 42 | Result := TBoolean.Create;
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| 43 |
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| 44 | // Assign
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| 45 | Operand1.Value := True;
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| 46 | Result.Assign(Operand1);
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| 47 | Add(BoolToStr(Result.Value) + ' := ' + BoolToStr(Operand1.Value));
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| 48 |
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| 49 | Operand1.Value := False;
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| 50 | Result.Assign(Operand1);
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| 51 | Add(BoolToStr(Result.Value) + ' := ' + BoolToStr(Operand1.Value));
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| 52 |
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| 53 | // EqualTo
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| 54 | Operand1.Value := True;
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| 55 | Result.Value := True;
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| 56 | Result.EqualTo(Operand1);
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| 57 | Add(BoolToStr(Result.Value) + ' := ' + BoolToStr(Operand1.Value));
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| 58 |
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| 59 | // OrTo
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| 60 | Result.Value := True;
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| 61 | Operand1.Value := True;
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| 62 | Result.OrTo(Operand1);
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| 63 | Add(BoolToStr(Result.Value) + ' := ' + BoolToStr(Operand1.Value));
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| 64 | end;
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| 65 | end;
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| 66 |
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| 67 | procedure TMainForm.Button4Click(Sender: TObject);
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| 68 | var
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| 69 | Operand1: TString;
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| 70 | Operand2: TString;
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| 71 | Result: TString;
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| 72 | Int: TInteger;
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| 73 | Bool: TBoolean;
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| 74 | begin
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| 75 | with Memo1, Lines do begin
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| 76 | Clear;
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| 77 | Operand1 := TString.Create;
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| 78 | Operand2 := TString.Create;
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| 79 | Result := TString.Create;
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| 80 |
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| 81 | // EqualTo
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| 82 | Result.Value := 'Ab12=';
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| 83 | Operand1.Value := 'Ab12=';
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| 84 | Bool := Result.EqualTo(Operand1);
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| 85 | Add(BoolToStr(Bool.Value) + ' := ' + Result.Value + '.EqualTo(' + Operand1.Value + ')');
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| 86 |
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| 87 | Result.Value := 'Ab12=';
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| 88 | Operand1.Value := 'Ab12d=';
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| 89 | Bool := Result.EqualTo(Operand1);
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| 90 | Add(BoolToStr(Bool.Value) + ' := ' + Result.Value + '.EqualTo(' + Operand1.Value + ')');
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| 91 |
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| 92 | // Length
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| 93 | Result.Value := 'ABCD';
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| 94 | Int := Result.Length;
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| 95 | Add(IntToStr(Int.Value) + ' := ' + Result.Value + '.Length');
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| 96 |
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| 97 | // Reverse
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| 98 | Operand1.Value := 'ABCD';
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| 99 | Result.Assign(Operand1);
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| 100 | Result.Reverse;
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| 101 | Add(Result.Value + ' := ' + Operand1.Value + '.Reverse');
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| 102 |
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| 103 | // Pos
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| 104 | Operand1.Value := 'ABCD';
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| 105 | Operand2.Value := 'C';
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| 106 | Int := Operand1.Pos(Operand2);
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| 107 | Add(IntToStr(Int.Value) + ' := ' + Operand1.Value + '.Pos(' + Operand2.Value + ')');
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| 108 | end;
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| 109 | end;
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| 110 |
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| 111 | end.
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