📄 preview.~cpp
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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Preview.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TPreviewForm *PreviewForm;
//---------------------------------------------------------------------------
__fastcall TPreviewForm::TPreviewForm(TComponent* Owner)
: TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonFullClick(TObject *Sender)
{
QRPreview->ZoomToFit();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonActualClick(TObject *Sender)
{
QRPreview->Zoom=100;
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonPageWidthClick(TObject *Sender)
{
QRPreview->ZoomToWidth();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonPrinterSetupClick(TObject *Sender)
{
QRPreview->QRPrinter->PrintSetup();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonPrintClick(TObject *Sender)
{
QRPreview->QRPrinter->Print();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonCloseClick(TObject *Sender)
{
Close();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonFirstClick(TObject *Sender)
{
try{
QRPreview->PageNumber = 1;
UpdateStatusBar();
}
catch(...)
{
}
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::UpdateStatusBar()
{
StatusBarPreview->Panels->Items[1]->Text = "第" + IntToStr(QRPreview->PageNumber)+ " 页/总共"+IntToStr(QRPreview->QRPrinter->PageCount ) + "页";
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonNextClick(TObject *Sender)
{
try{
QRPreview->PageNumber ++;
if ( QRPreview->PageNumber > QRPreview->QRPrinter->PageCount )
QRPreview->PageNumber = 1 ;
UpdateStatusBar();
}
catch(...){}
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonTailClick(TObject *Sender)
{
QRPreview->PageNumber = QRPreview->QRPrinter->PageCount ;
UpdateStatusBar();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::ButtonPrivClick(TObject *Sender)
{
QRPreview->PageNumber -- ;
if ( QRPreview->PageNumber < 1 )
QRPreview->PageNumber = 1 ;
UpdateStatusBar();
}
//---------------------------------------------------------------------------
void __fastcall TPreviewForm::FormShow(TObject *Sender)
{
QRPreview->PageNumber = 1;
//StatusBarPreview->Panels->Items[1]->Text = "第" + IntToStr(QRPreview->PageNumber)+ " 页/总共"+IntToStr(QRPreview->QRPrinter->PageCount ) + "页";
}
//---------------------------------------------------------------------------
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