加入一个qrpreview控件,如下可以实现:procedure TForm1.Button1Click(Sender: TObject); begin QuickRep1.Preview; end;procedure TForm1.QRPreview1PageAvailable(Sender: TObject; PageNum: Integer); begin QRLabel1.Caption := ''; QRLabel2.Caption := ''; if qrpreview1.QRPrinter.PageCount > 1 then begin if qrpreview1.PageNumber = 1 then begin QRLabel1.Caption := ''; end else QRLabel1.Caption := '前一页'; if qrpreview1.PageNumber = qrpreview1.QRPrinter.PageCount then begin QRLabel2.Caption := ''; end else QRLabel2.Caption := '后一页'; end; end;procedure TForm1.QuickRep1Preview(Sender: TObject); begin qrpreview1.QRPrinter := quickrep1.QRPrinter ; end;
begin
QuickRep1.Preview;
end;procedure TForm1.QRPreview1PageAvailable(Sender: TObject;
PageNum: Integer);
begin
QRLabel1.Caption := '';
QRLabel2.Caption := ''; if qrpreview1.QRPrinter.PageCount > 1 then
begin
if qrpreview1.PageNumber = 1 then
begin
QRLabel1.Caption := '';
end else
QRLabel1.Caption := '前一页'; if qrpreview1.PageNumber = qrpreview1.QRPrinter.PageCount then
begin
QRLabel2.Caption := '';
end else
QRLabel2.Caption := '后一页';
end;
end;procedure TForm1.QuickRep1Preview(Sender: TObject);
begin
qrpreview1.QRPrinter := quickrep1.QRPrinter ;
end;
qrpreview控件怎么用?运行起来只有很小一点,无法预览!!