wtl_dialog_base_units.cpp

// pixels to dialog units
{
	WTL::CDialogBaseUnits units(GetFont(), m_hWnd);
	WTL::CSize size = units.MapDialogPixels(WTL::CSize(800, 520));
	wchar_t buffer[2000];
	wsprintf(buffer, L"%dx%d", size.cx, size.cy);
	MessageBoxW(buffer, L"SIZE", MB_OK);
}

// map dialog units to pixels
{
	WTL::CDialogBaseUnits units(GetFont(), m_hWnd);
	WTL::CSize size = units.MapDialogUnits(WTL::CSize(800, 520));
	wchar_t buffer[2000];
	wsprintf(buffer, L"%dx%d", size.cx, size.cy);
	MessageBoxW(buffer, L"SIZE", MB_OK);
}