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;interfaceuses  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.