C++Builder编程中动态更改自定义打印纸张

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C++Builder编程中动态更改自定义打印纸张
因网上只有Delphi例子本人在用CB编写时发现有一些例子不能用,
所以一生气就索性查了查资料自己写了,怕网友们在用编程时也遇见此类情况,
就马上传了上来。
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
char *ADevice, *ADriver, *APort;
THandle DeviceMode;
PDeviceMode DevMode;
int length,width;
  length=1400;
  width=2410;//设定自定义纸张的尺寸单位为0.1毫米
  ADevice =new char[100];
  ADriver =new char[100];
  APort =new char[100];
  //获取打印机
  Printer()->GetPrinter(ADevice, ADriver, APort,DeviceMode);
  //获取PDevMode结构
  DevMode =(_devicemodeA*) GlobalLock((void *)DeviceMode);
  //设定可以修改的值
  DevMode->dmFields = DevMode->dmFields|DM_PAPERSIZE;
  DevMode->dmFields = DevMode->dmFields|DM_PAPERLENGTH;
  DevMode->dmFields = DevMode->dmFields|DM_PAPERWIDTH;
  //设定要修改的值
  DevMode->dmPaperSize=DMPAPER_USER;//设为自定义纸张
  DevMode->dmPaperLength=length;
  DevMode->dmPaperWidth=width;
  //测试打印
  Printer()->BeginDoc();
  TextOut(Printer()->Handle, 0, 0, "-----------------",17);
  Printer()->NewPage();
  TextOut(Printer()->Handle, 0, 0, "++++++++++++++++++",18);
  Printer()->NewPage();
  Printer()->EndDoc();
}

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