学用 TStringGrid [5] - FixedCols、FixedRows、Color、FixedColor

本例运行效果图:

---

//示例代码:
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;
    Button5: TButton;
    Button6: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{赋值}
procedure TForm1.FormCreate(Sender: TObject);
var
  i,j: Integer;
begin
  with StringGrid1 do
    for i := 0 to ColCount - 1 do
      for j := 0 to RowCount - 1 do
        Cells[i,j] := Format('%d%d',[i,j]);
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  if StringGrid1.FixedCols < StringGrid1.ColCount-1 then
    StringGrid1.FixedCols := StringGrid1.FixedCols + 1;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  if StringGrid1.FixedCols > 0 then
    StringGrid1.FixedCols := StringGrid1.FixedCols - 1;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  if StringGrid1.FixedRows < StringGrid1.RowCount-1 then
    StringGrid1.FixedRows := StringGrid1.FixedRows + 1;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
  if StringGrid1.FixedRows > 0 then
    StringGrid1.FixedRows := StringGrid1.FixedRows - 1;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
  StringGrid1.Color := Random($FFFFFF);
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
  StringGrid1.FixedColor := Random($FFFFFF);
end;

end.