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I created a DLL project by following this Microsoft tutorial, which works fine.

Now, I tried to modify the .h and .cpp files and include a vtkPolydata as follows.

SurfaceGeneration.h

#pragma once

#ifdef SURFACEGENERATION_EXPORTS
#define SURFACEGENERATION_API __declspec(dllexport)
#else
#define SURFACEGENERATION_API __declspec(dllimport)
#endif

// Load the playdoh model and the polylines text file
extern "C" SURFACEGENERATION_API void sg_init(
    const std::string data_folder, const std::string _playdoh_filename, const std::string _polyline_filename);

// Apply the surface generation algorithm to the playdoh model based on the polylines in the text file.
extern "C" SURFACEGENERATION_API bool sg_execute();

SurfaceGeneration.cpp

#include "pch.h" // use stdafx.h in Visual Studio 2017 and earlier
#include <utility>
#include <limits.h>
#include <iostream>
#include <string>

#include "SurfaceGeneration.h"
#include <vtk-9.0/vtkPolyData.h>

// DLL internal state variables: none

void sg_init(const std::string data_folder, const std::string _playdoh_filename, const std::string _polyline_filename)
{
}

// Returns true on success, false on failure.
bool sg_execute()
{

    return true;
}

Then, it throws the following 15 errors in vtkBuffer:

> Error C2589   '(': illegal token on right side of
> '::'  SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C2065   'newArray': undeclared
> identifier    SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C2065   'newArray': undeclared
> identifier    SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  224 
> Error C2760   syntax error: ')' was unexpected here; expected
> ';'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C2760   syntax error: ')' was unexpected here; expected
> ';'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C2760   syntax error: ')' was unexpected here; expected
> '}'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C2760   syntax error: ':' was unexpected here; expected
> ';'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token '(' following
> 'expression'  SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'compound_statement'  SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'expression_statement'    SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'expression_statement'    SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'selection_statement' SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'statement'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ')' following
> 'statement_seq'   SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222 
> Error C3878   syntax error: unexpected token ':' following
> 'expression_statement'    SurfaceGenerationDLL    C:\vcpkg\installed\x64-windows\include\vtk-9.0\vtkBuffer.h  222

How can I fix this?

Note that I used vcpkg to install the VTK package, and I didn't encounter any problem/error with VTK in my console application project.

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1 Answers1

1

I found the answer.

If you follow the tutorial above, you will find framework.h file. The framework.h includes windows.h which has macros for min. This macros causes the error.

To fix this, add #define NOMINMAX before #include<windows.h>.

More explanation of the error can be found here

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