学用 TStringGrid [3] - Cols、Rows

须知: TStringGrid 的每行、每列都是一个 TStrings 对象.

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本例功能:
1、分别按列与行修改;
2、分别按列与行读取

运行效果图:

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//本例代码:
unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    StringGrid1: TStringGrid;
    Panel1: TPanel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{按列赋值}
procedure TForm1.Button1Click(Sender: TObject);
var
  List: TStrings;
begin
  List := TStringList.Create;
  List.CommaText := 'aaa,bbb,ccc,ddd';
  StringGrid1.Cols[0] := List;
  StringGrid1.Cols[1] := List;
  List.Free;
  (Sender as TButton).Caption := '按列赋值';
end;

{按行赋值}
procedure TForm1.Button2Click(Sender: TObject);
var
  List: TStrings;
begin
  List := TStringList.Create;
  List.CommaText := '111,222,333,444';
  StringGrid1.Rows[0] := List;
  StringGrid1.Rows[1] := List;
  List.Free;
  (Sender as TButton).Caption := '按行赋值';
end;

{按列取值}
procedure TForm1.Button3Click(Sender: TObject);
var
  List: TStrings;
begin
  List := StringGrid1.Cols[StringGrid1.Col]; {当前列}
  ShowMessage(List.Text);
  (Sender as TButton).Caption := '按列取值';
end;

{按行取值}
procedure TForm1.Button4Click(Sender: TObject);
var
  List: TStrings;
begin
  List := StringGrid1.Rows[StringGrid1.Row]; {当前行}
  ShowMessage(List.Text);
  (Sender as TButton).Caption := '按行取值';
end;

end.