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Frenk Gao avatar image
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Frenk Gao asked Frenk Gao commented

'beginOffset' : member function not declared in 'MyTaskExecuter' -mudule sdk

I am trying to Implementing Module DLLs (SDK-Documentation-ModuleDevelopment).

But there is always throw a error when I try to build my module dll (testmodel.dll in the Documentation) :

  1. Error  1  error C2509: 'beginOffset' : member
  2. function not declared in 'MyTaskExecuter'  \testmodule\mytaskexecuter.cpp  9  1  testmodule

And the source code:

_______________________

MyTaskExecuter.cpp

  1. #include "MyTaskExecuter.h"
  2. void MyTaskExecuter::bindVariables()
  3. {
  4.     TaskExecuter::bindVariables();
  5. }
  6. double MyTaskExecuter::beginOffset(double endspeed, treenode item)
  7. {
  8.     offsetloc[1] = 0;
  9.     offsetloc[2] = 0;
  10.     return beginOffsetDefault(endspeed, item);
  11. }

_____________________________

MyTaskExecuter.h

  1. #pragma once
  2. #include "FlexsimDefs.h"
  3. class MyTaskExecuter : public TaskExecuter
  4. {
  5. 	virtual void bindVariables() override;
  6. };

_____________________

testmodule.cpp

  1. #include "testmodule.h"
  2.  
  3.  
  4. visible ObjectDataType* createodtderivative(char* classname)
  5. {
  6. 	if (strcmp(classname, "MyTaskExecuter") == 0) return new MyTaskExecuter;
  7. 	return NULL;
  8. }
  9.  
  10.  
  11. visible SimpleDataType* createsdtderivative(char* classname)
  12. {
  13. 	return NULL;
  14. }
  15.  
  16.  
  17. visible void dllinitialize()
  18. {
  19.  
  20.  
  21. }
  22.  
  23.  
  24. visible void dllcleanup()
  25. {
  26.  
  27.  
  28. }

testmodule.h

  1. #pragma once
  2.  
  3. #include "FlexsimDefs.h"
  4. #include "allobjects.h"
  5.  
  6. class MyTaskExecuter : public TaskExecuter
  7. {
  8. public:
  9. 	virtual void bindVariables(void);
  10. 	virtual double beginOffset(double endspeed, treenode item);
  11. };
FlexSim 16.0.9
sdkmodule
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1 Answer

Steven Hamoen avatar image
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Steven Hamoen answered Frenk Gao commented Best Answer

@Frenk Gao You have declared your class twice (in your .h file and in testmodule.cpp) it should not be in testmodule only in .h But in your class declaration you should also include the begin offset like in the testmodule.cpp.

The reason you get the error is that the compiler tries to compile MyTaskexecuter.cpp and the only extra information it has it MyTaskexecuter.h because that is what you include. But in the .h file the beginoffset is not declared so that is exactly the error you get.

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