该工程为在保存时执行开发的功能，函数入口点ufput。其他还有新建、打开、另存等都可以加入开发的操作，具体看UF_EXIT下的介绍。
用户出口是一个可选特性，允许你在NX中某些预定义的位置(或出口)自动运行Open C API程序。如果你进入其中一个出口，NX会检查你是否定义了指向Open C API程序位置的指针。如果定义了指针，NX将运行Open C API程序。指针是一个环境变量。
注意：
一定要设置环境变量指向自己生成的DLL。例如：USER_FILE=E:\workspace\Infore\tcnx_project\application\tcnx_project.dll
// Mandatory UF Includes
#include <uf.h>
#include <uf_object_types.h>
#include <uf_draw.h>
#include <uf_part.h>// Internal+External Includes
#include <NXOpen/Annotations.hxx>
#include <NXOpen/Assemblies_Component.hxx>
#include <NXOpen/Assemblies_ComponentAssembly.hxx>
#include <NXOpen/Body.hxx>
#include <NXOpen/BodyCollection.hxx>
#include <NXOpen/Face.hxx>
#include <NXOpen/Line.hxx>
#include <NXOpen/NXException.hxx>
#include <NXOpen/NXObject.hxx>
#include <NXOpen/Part.hxx>
#include <NXOpen/PartCollection.hxx>
#include <NXOpen/Session.hxx>#include <NXOpen/PrintPDFBuilder.hxx>
#include <NXOpen/PlotManager.hxx>
#include <NXOpen/Drawings_DrawingSheet.hxx>
#include <NXOpen/NXObjectManager.hxx>// Std C++ Includes
#include <iostream>
#include <sstream>
#include <vector>
#include <string>
#include <algorithm>
#include <tchar.h>
#include <atlconv.h>
#include <shellapi.h>#include <windows.h>
#undef CreateDialog
#pragma comment(lib,"shell32.lib")using namespace NXOpen;
using std::string;
using std::exception;
using std::stringstream;
using std::endl;
using std::cout;
using std::cerr;//------------------------------------------------------------------------------
// Unload Handler
//------------------------------------------------------------------------------
extern "C" DllExport int ufusr_ask_unload()
{return (int)NXOpen::Session::LibraryUnloadOptionImmediately;// 调试用//return (int)NXOpen::Session::LibraryUnloadOptionAtTermination;// 程序发布用//return (int)NXOpen::Session::LibraryUnloadOptionExplicitly;
}int exportDwg2PDF(double &xDimension, double &yDimension, std::string &waterRemark, tag_t &sheetTAG, std::string &exportPath, bool appendStatus)
{try{if (xDimension < 200 || yDimension < 200 || sheetTAG == NULL_TAG || exportPath.empty() == true)return -1;NXOpen::Session *theSession = NXOpen::Session::GetSession();NXOpen::Part *workPart(theSession->Parts()->Work());NXOpen::Part *displayPart(theSession->Parts()->Display());NXOpen::PrintPDFBuilder *printPDFBuilder1;printPDFBuilder1 = workPart->PlotManager()->CreatePrintPdfbuilder();printPDFBuilder1->SetScale(1.0);printPDFBuilder1->SetSize(NXOpen::PrintPDFBuilder::SizeOptionScaleFactor);printPDFBuilder1->SetOutputText(NXOpen::PrintPDFBuilder::OutputTextOptionPolylines);printPDFBuilder1->SetXDimension(xDimension);printPDFBuilder1->SetYDimension(yDimension);printPDFBuilder1->SetColors(NXOpen::PrintPDFBuilder::ColorBlackOnWhite);printPDFBuilder1->SetWidths(NXOpen::PrintPDFBuilder::WidthCustomThreeWidths);printPDFBuilder1->SetRasterImages(true);printPDFBuilder1->SetImageResolution(NXOpen::PrintPDFBuilder::ImageResolutionOptionHigh);printPDFBuilder1->SetAddWatermark(true);printPDFBuilder1->SetWatermark(waterRemark.c_str());printPDFBuilder1->SetAppend(appendStatus);std::vector<NXOpen::NXObject *> sheets1(1);NXOpen::Drawings::DrawingSheet *drawingSheet1(dynamic_cast<NXOpen::Drawings::DrawingSheet *>(NXOpen::NXObjectManager::Get(sheetTAG)));sheets1[0] = drawingSheet1;printPDFBuilder1->SourceBuilder()->SetSheets(sheets1);printPDFBuilder1->SetFilename(exportPath);NXOpen::NXObject *nXObject1;nXObject1 = printPDFBuilder1->Commit();printPDFBuilder1->Destroy();return 0;}catch (const exception& e2){UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, e2.what());throw;}
}int getSheetInfos()
{// 获取显示部件及图纸信息int _errCode = 0;tag_t dispTAG = UF_PART_ask_display_part();char part_fspec[MAX_FSPEC_BUFSIZE] = { 0 };if (_errCode = UF_PART_ask_part_name(dispTAG, part_fspec) != 0) return _errCode;std::string strPartName(part_fspec);transform(strPartName.begin(), strPartName.end(), strPartName.begin(), ::tolower);if (strPartName.find("dwg") == string::npos) return -1;int num_draws = 0;tag_t *drawTAGs = nullptr;if (_errCode = UF_DRAW_ask_drawings(&num_draws, &drawTAGs) != 0)return _errCode;string export_path = strPartName.substr(0, strPartName.find_last_of("."));for (int idx = 0; idx < num_draws; idx++){// 导出PDFUF_DRAW_info_t drawInfos;_errCode = UF_DRAW_ask_drawing_info(drawTAGs[0], &drawInfos);double xDimension = drawInfos.size.custom_size[0];double yDimension = drawInfos.size.custom_size[1];_errCode = exportDwg2PDF(xDimension, yDimension, string("huangym1\r\n2023-03-25"), drawTAGs[idx], export_path + ".pdf", false);string tempStr(export_path + ".pdf");// 打开PDFUSES_CONVERSION;const WCHAR * cLineChar = A2W(tempStr.c_str());SHELLEXECUTEINFO sei;ZeroMemory(&sei, sizeof(SHELLEXECUTEINFO));//使用前最好清空sei.cbSize = sizeof(SHELLEXECUTEINFO);//管理员权限执行cmd，最基本的使用与 ShellExecute 类似sei.lpFile = cLineChar;sei.nShow = SW_SHOW;sei.lpVerb = _T("open");BOOL bResult = ShellExecuteEx(&sei);if (bResult)//执行成功{if (sei.hProcess)//指定 SEE_MASK_NOCLOSEPROCESS 并其成功执行，则 hProcess 将会返回执行成功的进程句柄WaitForSingleObject(sei.hProcess, INFINITE);//等待执行完毕}}if (drawTAGs){UF_free(drawTAGs);drawTAGs = nullptr;}return _errCode;
}//========================
// 保存操作入口点函数
//========================
extern "C" DllExport void ufput()
{try{if (UF_initialize()) return;getSheetInfos();UF_terminate();}catch (const NXException& e1){UI::GetUI()->NXMessageBox()->Show("NXException", NXOpen::NXMessageBox::DialogTypeError, e1.Message());}catch (const exception& e2){UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, e2.what());}catch (...){UI::GetUI()->NXMessageBox()->Show("Exception", NXOpen::NXMessageBox::DialogTypeError, "Unknown Exception.");}
}
