Run the sample in the user guides on the VS2019, but ALWAYS get exception.

some talking before

Hi, guys!

Glad you have seen this post!

I'm really new to the OCCT, and I get a problem.

I am learning the OCCT, and I try to run the sample code in my PC.

Tried , failed , sad.

Could anyone help me with this annoying issue?

main context

Here's my code, its almost the same as the sample code (whose path is user guides -> visualization -> A Basic Example: How to display a 3D object

#include <Standard.hxx>
#include <Standard_Handle.hxx>
#include <V3d_View.hxx>
#include <AIS_InteractiveContext.hxx>
#include <BRepPrimAPI_MakeBox.hxx>
#include <TopoDS_Solid.hxx>
#include <AIS_Shape.hxx>

#include <iostream>


using namespace std;

int main()
{
    Handle(V3d_Viewer) theViewer;
    Handle(AIS_InteractiveContext) aContext = new AIS_InteractiveContext(theViewer);
    BRepPrimAPI_MakeBox abox(1,1,1);
    TopoDS_Solid aShape = abox.Solid();
    Handle(AIS_Shape) aShapePrs = new AIS_Shape(aShape); // creation of the presentable object
    aContext->Display(aShapePrs, AIS_Shaded, 0, true);   // display the presentable object and redraw 3d viewer

    return 0;
}

ENV

and I think I've done the setting, linked the dll and lib , included the headfiles.

the IDE is VS2019 , debug , x64.

Exception detail

Every time I run the code , VS thorw an exception:

Exception thrown: read access violation

theHandle is 0x18.

however, I can't find the reason through the code. I think there must be something wrong about these two lines. ( the first two line in the main() func )

  Handle(V3d_Viewer) theViewer;
  Handle(AIS_InteractiveContext) aContext = new AIS_InteractiveContext(theViewer);

If anyone has met the issue or know how to debug it , and is willing to tell me , I'll appreciate a lot!