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- unit Coloursu;
-
- interface
-
- uses
- SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
- Forms, Dialogs, StdCtrls;
-
- type
- TForm1 = class(TForm)
- Button1: TButton;
- Button2: TButton;
- Label1: TLabel;
- Label2: TLabel;
- Label3: TLabel;
- LowLbl: TLabel;
- HighLbl: TLabel;
- WholeLbl: TLabel;
- procedure Button1Click(Sender: TObject);
- procedure Button2Click(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
-
- var
- Form1: TForm1;
-
- implementation
-
- {$R *.DFM}
-
- procedure TForm1.Button1Click(Sender: TObject);
- var
- LoWord, HiWord: Longint;
- Tag: Longint;
- begin
- Color := RGB(Random(256), Random(256), Random(256));
- Tag := Color;
- LoWord := Tag and $FFFF;
- HiWord := Tag shr 16;
- HighLbl.Caption := '$' + IntToHex(HiWord, 4);
- LowLbl.Caption := '$' + IntToHex(LoWord, 4);
- WholeLbl.Caption := '$' + IntToHex(Tag, 8);
- end;
-
- procedure TForm1.Button2Click(Sender: TObject);
- var
- LoWord, HiWord: Longint;
- Tag: Longint;
- begin
- Color := RGB(Random(256), Random(256), Random(256));
- Tag := Color;
- LoWord := Word(Tag);
- HiWord := LongRec(Tag).Hi;
- HighLbl.Caption := '$' + IntToHex(HiWord, 4);
- LowLbl.Caption := '$' + IntToHex(LoWord, 4);
- WholeLbl.Caption := '$' + IntToHex(Tag, 8);
- end;
-
- initialization
- Randomize;
- end.
-