WinAPI:EqualRect、EqualSid、EqualPrefixSid-長方形(または他の構造)が等しいかどうかを判断する
1360 ワード
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
var
R1: TRect = (Left:20; Top:20; Right:20; Bottom:20);
R2: TRect = (Left:20; Top:20; Right:20; Bottom:20);
//EqualRect
procedure TForm1.Button1Click(Sender: TObject);
var
s1,s2: string;
begin
ShowMessage(BoolToStr(EqualRect(R1,R2), True)); {True}
OffsetRect(R2, 10, 10);
ShowMessage(BoolToStr(EqualRect(R1,R2), True)); {False}
end;
//EqualSid: ; EqualRect TRect .
procedure TForm1.Button2Click(Sender: TObject);
begin
ShowMessage(BoolToStr(EqualSid(@R1,@R2), True)); {True}
OffsetRect(R2, 10, 10);
ShowMessage(BoolToStr(EqualSid(@R1,@R2), True)); {False}
end;
//EqualPrefixSid: EqualSid , .
procedure TForm1.Button3Click(Sender: TObject);
begin
ShowMessage(BoolToStr(EqualPrefixSid(@R1,@R2), True)); {True}
OffsetRect(R2, 10, 10);
ShowMessage(BoolToStr(EqualPrefixSid(@R1,@R2), True)); {False}
end;
end.