procedure TfrmW_001.edtIn_DateKeyPress(Sender: TObject; var Key: Char);
begin
if (key<>#8) and not(key in ['0'..'9'])then
begin
key:=#0;
showmessage('只能输入数字');
exit;
end;
end;
要改成能输入小数点,#8,#0,key:=#0;是什么意思,怎样改?谢谢,刚接触delphi,急用
...全文
975打赏收藏
小数问题
procedure TfrmW_001.edtIn_DateKeyPress(Sender: TObject; var Key: Char); begin if (key#8) and not(key in ['0'..'9'])then begin key:=#0; showmessage('只能输入数字'); exit; end; end; 要改成能输入小数点,#8,#0,key:=#0;是什么意思,怎样改?谢谢,刚接触delphi,急用