wndclass.hCursor = ::LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)wxUIntToPtr(bgBrushCol + 1);
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | extraStyles;
wndclass.hCursor = ::LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)wxUIntToPtr(bgBrushCol + 1);
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | extraStyles;