INFO: Win32 Platform Differences
ID: Q227123
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This article discusses a Beta release of a Microsoft product. The
information in this article is provided as-is and is subject to change
without notice.
No formal product support is available from Microsoft for this Beta
product. For information about obtaining support for a Beta release,
please see the documentation included with the Beta product files, or
check the Web location from which you downloaded the release.
The information in this article applies to:
-
Microsoft Win32 Application Programming Interface (API), included with:
SUMMARY
The Win32 Platform Differences topic in the Platform SDK lists a variety of Win32 API and operating system features and indicates how each platform supports them. This topic contains a version of the table updated to include Windows 2000 and Windows 98.
MORE INFORMATION
Following is a list of the operating system differences between Windows NT and Windows 2000; Windows 95 and Windows 98; and Windows 3.1 with Win32s. The bold text indicates an operating system feature rather than an API feature.
| Feature |
Windows NT/Windows 2000 |
Windows 95/Windows 98 |
Windows 3.1 with Win32s |
|---|
| 32-bit Coordinate System |
Yes |
No |
No |
| 32-bit Flat Memory model |
Yes |
Yes |
Yes |
| 3-D look |
Yes |
Yes |
Yes |
| Asynchronous file I/O |
Yes |
No |
No |
| Asynchronous input model |
Yes |
Yes |
No |
| COMM |
Yes |
Yes |
Through Universal Thunks |
| Common Controls |
Yes |
Yes |
Yes |
| Property sheet tabs |
Yes |
Yes |
Yes |
| Drag list boxes |
Yes |
Yes |
Yes |
| Toolbar |
Yes |
Yes |
Yes |
| Status bar |
Yes |
Yes |
Yes |
| Column heading |
Yes |
Yes |
Yes |
| Spin buttons |
Yes |
Yes |
Yes |
| Slider |
Yes |
Yes |
Yes |
| Scrolling button indicator |
Yes |
Yes |
Yes |
| Rich Edit Control |
Yes |
Yes |
Yes |
| Progress indicator |
Yes |
Yes |
Yes |
| Tree View |
Yes |
Yes |
Yes |
| List View |
Yes |
Yes |
Yes |
| Common Dialogs |
Yes |
Yes |
Yes |
| Console Support |
Yes |
Except code page |
No |
| Context menu on mouse button 2 |
Yes |
Yes |
Yes |
| Enhanced metafiles |
Yes |
Yes |
No |
| Event logging |
Yes |
No |
No |
| File mapping |
Yes |
Yes |
Yes |
| File merge/reconciliation |
Yes |
Yes |
No |
| File Viewers |
Yes |
Yes |
Not used |
| Image Color Matching (ICM) |
Not yet |
Yes |
No |
| Long Filenames (LFN) |
Yes |
Yes |
Won't appear |
| Multimedia API |
Yes |
Yes |
Windows 3.1 level |
| Multiprocessor Machines |
Yes |
No |
No |
| Named pipes |
Yes |
Client-side |
Client-side |
| National Language Support (NLS) |
Yes |
Yes |
Yes |
| Network DDE |
Yes |
Through thunk |
No |
| Non-Intel machines |
Yes |
No |
No |
| Paths/Beziers |
Yes |
Limited |
No |
| Plug and Play event aware |
Won't get events |
Yes |
Won't get events |
| Preemptive multitasking |
Yes |
Yes |
No |
| Print spooler |
Yes |
Except forms |
No |
| Remote Access Services (RAS) |
Yes |
Yes |
No |
| Remote Procedure Calls |
Yes |
Yes |
Through Universal Thunks |
| Security |
Yes |
No |
No |
| Security (C2 certifiable) |
Yes |
No |
No |
| Separate address space |
Yes |
Yes |
No |
| Service control manager |
Yes |
No |
No |
| Simple MAPI |
Yes |
Yes |
Through Universal Thunks |
| Structured exception handling (SEH) |
Yes |
Yes |
Yes |
| TAPI |
Yes |
Yes |
Yes (Through TAPI SDK) |
| Threads |
Yes |
Yes |
No |
| Unicode |
Yes |
No |
No |
| Universal Naming Convention (UNC) |
Yes |
Yes |
Yes |
| User and GDI system resources |
Virtually Unlimited |
Expanded |
Win 3.1 Limits |
| Windows 4.0 Help |
Yes |
Yes |
Context menu help won't appear |
| Windows Network (WNet) |
Yes |
Yes |
Through Universal Thunks |
| Windows Sockets |
Yes |
Yes |
Yes |
| World transforms |
Yes |
Scaling only |
No |
Additional query words:
compatguidediff
Keywords : kbWinOS2000 kbfaq kbGrpKernBase
Version : winnt:
Platform : winnt
Issue type : kbinfo