BCGSuite for MFC
void CBCGPChartDiagram3D::SetWallsIgnoreRotation ( BOOL  bSet)

Ignores reposition of walls when the scene is rotated.

If you enable this option, a scene may be rendered behind the walls.

By the default the walls are repositioned to be rendered behind the scene. This option has no effect for thick walls and floor and when software rendering is enabled.

bSetTRUE - make the walls fixed.