Direct2d access violation in C++ XAML game -


i have created windows phone game in c++ (native only) using directxtoolkit , wanted recreate app using xaml , c++.

i followed steps this tutorial got stuck on following problem.

in void renderer::createdeviceresources() function calling m_spritebatch = unique_ptr<spritebatch>(new directx::spritebatch(m_d3dcontext.get()));

this is, however, causing problem in mainpage.xaml.cs inside drawingsurfacebackground_loaded function @ line drawingsurfacebackground.setbackgroundcontentprovider(m_d3dbackground.createcontentprovider());

i getting an unhandled exception of type 'system.accessviolationexception' occurred in unknown module. attempted read or write protected memory. indication other memory corrupt.

when removing m_spritebatch... line starting fine can't render sprites in game.

any idea how fix this? new c++ don't know look.

this guess, perhaps cannot instantiate using "new" doing:

(new directx::spritebatch(m_d3dcontext.get()))

in case, new allocating memory heap. causing memory access violation?


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