unit3.cpp

C++Builder高级应用开发指南随书源码

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit3.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TfrmPreview *frmPreview;
//---------------------------------------------------------------------------
__fastcall TfrmPreview::TfrmPreview(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TfrmPreview::btnFirstClick(TObject *Sender)
{
    QRPreview1->PageNumber=1;
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnPrevClick(TObject *Sender)
{
    QRPreview1->PageNumber = QRPreview1->PageNumber-1;    
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnNextClick(TObject *Sender)
{
    QRPreview1->PageNumber = QRPreview1->PageNumber+1;    
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnLastClick(TObject *Sender)
{
    QRPreview1->PageNumber=QRPreview1->QRPrinter->PageCount;
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnOriginClick(TObject *Sender)
{
    QRPreview1->Zoom=100;
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnFullPageClick(TObject *Sender)
{
    QRPreview1->ZoomToFit();
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnWidthClick(TObject *Sender)
{
    QRPreview1->ZoomToWidth();
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnPrintClick(TObject *Sender)
{
    QRPreview1->QRPrinter->Print();    
}
//---------------------------------------------------------------------------
void __fastcall TfrmPreview::btnPrinterSetupClick(TObject *Sender)
{
    QRPreview1->QRPrinter->PrintSetup();    
}
//---------------------------------------------------------------------------