Learning structure [Record] type (5)-Structure Method

Source: Internet
Author: User
Unit unit1; interfaceuses windows, messages, extensions, variants, classes, graphics, controls, forms, dialogs, stdctrls; Type tform1 = Class (tform) button1: tbutton; Procedure button1click (Sender: tobject); end; var form1: tform1; implementation {$ R *. DFM} type TREC = record {defined structure TREC} Name: String [12]; age: word; function recshow: String ;{only static methods can be used in the structure} end; {implementation of the trec structure method} function TREC. recshow: string; const STR = '% S % d years old'; begin result: = format (STR, [name, age]); end; // use the structure procedure tform1.button1click (Sender: tobject); var REC: TREC; begin rec. name: = 'zhang san'; Rec. age: = 18; showmessage (Rec. recshow); end.


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