roomstatus.~pas

《delphi数据库开发实例》书籍源码

unit RoomStatus;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, ImgList, ExtCtrls;

type
  TRoomSta = class(TForm)
    ImageList1: TImageList;
    GroupBox1: TGroupBox;
    StringGrid1: TStringGrid;
    GroupBox2: TGroupBox;
    Button1: TButton;
    GroupBox3: TGroupBox;
    RadioButton1: TRadioButton;
    Image1: TImage;
    Image2: TImage;
    RadioButton2: TRadioButton;
    Image3: TImage;
    RadioButton3: TRadioButton;
    Image4: TImage;
    RadioButton4: TRadioButton;
    Image5: TImage;
    RadioButton5: TRadioButton;
    Image6: TImage;
    RadioButton6: TRadioButton;
    procedure StringGrid1DrawCell(Sender: TObject; ACol, ARow: Integer;
      Rect: TRect; State: TGridDrawState);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  RoomSta: TRoomSta;

implementation

{$R *.dfm}

procedure TRoomSta.StringGrid1DrawCell(Sender: TObject; ACol, ARow: Integer;
  Rect: TRect; State: TGridDrawState);
var
   bitmap:TBitmap;
begin
  
  if (Acol = 1) and (arow = 1) then //判断你的条件
  begin
   with Sender as TStringGrid do
   begin
    bitmap:=TBitmap.Create;
    imagelist1.GetBitmap(0,bitmap);

    stringgrid1.Canvas.StretchDraw(Rect,bitmap);
    bitmap.Free;
  end;
 end;

end;

procedure TRoomSta.Button1Click(Sender: TObject);
var
bitmap:Tbitmap;
begin
stringgrid1.Cells[1,2]:='001';
end;

end.