tps_demo_onhalt.htm

来自「Delphi脚本控件」· HTM 代码 · 共 103 行

HTM
103 行
字号 
<html>
<head>
<link rel=stylesheet type="text/css" href="styles.css">
</head>

<body>

<font face="Arial, Helvetica">

<h3>
TPaxScripter.OnHalt event demo.
</h3>
<hr>

<blockquote>
<pre>
<font color="blue"><b>unit</b></font> Unit1;

<font color="blue"><b>interface</b></font>

<font color="blue"><b>uses</b></font>
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, PaxScripter, PaxPascal, BASE_PARSER;

<font color="blue"><b>type</b></font>
  TForm1 = <font color="blue"><b>class</b></font>(TForm)
    Button1: TButton;
    PaxPascal1: TPaxPascal;
    <font color="blue"><b>procedure</b></font> Button1Click(Sender: TObject);
  <font color="blue"><b>private</b></font>
     S: TPaxScripter;
    { <font color="blue"><b>Private</b></font> declarations }
    <font color="blue"><b>procedure</b></font> OnHalt(Sender: TPaxScripter);
  <font color="blue"><b>public</b></font>
    { <font color="blue"><b>Public</b></font> declarations }
  <font color="blue"><b>end</b></font>;

<font color="blue"><b>var</b></font>
  Form1: TForm1;

<font color="blue"><b>implementation</b></font>

{$R *.dfm}

<font color="blue"><b>uses</b></font> IMP_Forms;

<font color="blue"><b>procedure</b></font> TForm1.Button1Click(Sender: TObject);
<font color="blue"><b>begin</b></font>
  S := TPaxScripter.Create(Self);
  S.RegisterLanguage(PaxPascal1);
  S.AddModule(<font color="Red">'1'</font>, <font color="Red">'paxPascal'</font>);
  S.AddCodeFromFile(<font color="Red">'1'</font>, <font color="Red">'script.txt'</font>);
  S.OnHalt := OnHalt;
  S.Run();
<font color="blue"><b>end</b></font>;

<font color="blue"><b>procedure</b></font> TForm1.OnHalt(Sender: TPaxScripter);
<font color="blue"><b>begin</b></font>
  S.Free;
  ShowMessage(<font color="Red">'scripter has been destroyed'</font>);
<font color="blue"><b>end</b></font>;

<font color="blue"><b>end</b></font>.
</pre>
</blockquote>

<h4>
script.txt:
</h4>

<blockquote>

<pre>
<font color="blue"><b>uses</b></font>
  Forms;
<font color="blue"><b>var</b></font>
  Frm : TForm;
<font color="blue"><b>procedure</b></font> FrmClose(Sender : Tobject; <font color="blue"><b>var</b></font> Action : TCloseAction);
<font color="blue"><b>begin</b></font>
  Action := caFree;
  <font color="blue"><b>print</b></font> <font color="Red">'done'</font>;
  <font color="blue"><b>Halt</b></font>;
<font color="blue"><b>end</b></font>;

<font color="blue"><b>begin</b></font>
  Frm := Forms.TForm.Create(<font color="blue"><b>nil</b></font>);
  Frm.OnClose := @FrmClose;
  Frm.Show;
<font color="blue"><b>end</b></font>.
</pre>
</blockquote>



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