线程异常问题
zgwu 2002-08-17 12:26:29 执行Close就异常了。
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,unit2,
Db, DBTables;
type
TForm1 = class(TForm)
Query1: TQuery;
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
type
ThreadGetCMM = class(TThread)
tQuery:TQuery;
public
procedure Execute; override;
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
var myThreadGetCMM:ThreadGetCMM;
begin
myThreadGetCMM:=ThreadGetCMM.Create(false);
myThreadGetCMM.FreeOnTerminate:=true;
end;
procedure ThreadGetCMM.Execute;
begin
try
tQuery.Close;
except
ShowMessage('线程异常');
end
end;
end.