Version Differences

The Microsoft® Windows® 95 operating system supports Windows-based applications that have a subsystem version number of either 3.x or 4.0. An application's subsystem version number is set by the linker.

This overview describes the differences in the way Windows 95 treats applications based on their subsystem version numbers. It is intended to help you identify areas in an application written for Windows version 3.x that you must revise to take advantage of the new features provided by Windows 95. It is divided into the following sections:

• Window Management Differences
• Dialog Box Differences
• Button Differences
• Edit Control Differences
• List Box Differences
• Combo Box Differences
• Menu Differences
• System Bitmap and Color Differences
• System Metrics Differences
• Parameter Validation Differences