Windows 3.1 Build 042 是 Windows 3.1 的未泄露版本。该内部版本号在所述操作系统的驱动程序开发工具包中引用。

3.1.042
Windows 3.1 的版本
屏幕截图
操作系统系列16 位 Windows
内核版本3.1
内部版本号042
体系结构x86 16-位

DRIVINIT.H 的部分内容

/* Start of additions for Win 31 build 42 */
#define DMPAPER_ENV_C3	    29		// Envelope C3	324 x 458 mm
#define DMPAPER_ENV_C4	    30		// Envelope C4	229 x 324 mm
#define DMPAPER_ENV_C6	    31		// Envelope C6	114 x 162 mm
#define DMPAPER_ENV_C65     32		// Envelope C65 114 x 229 mm
#define DMPAPER_ENV_B4	    33		// Envelope B4	250 x 353 mm
#define DMPAPER_ENV_B5	    34		// Envelope B5	176 x 250 mm
#define DMPAPER_ENV_B6	    35		// Envelope B6	176 x 125 mm
#define DMPAPER_ENV_ITALY   36		// Envelope 110 x 230 mm
#define DMPAPER_MONARCH     37		// Envelope Monarch 3.875 x 7.5 in
#define DMPAPER_ENV_PERSONAL 38 	 // 6 3/4 Envelope 3 5/8 x 6 1/2 in
#define DMPAPER_FANFOLD_US   39 	 // US Std Fanfold 14 7/8 x 11 in
#define DMPAPER_FANFOLD_STD_GERMAN  40	// German Std Fanfold 8 1/2 x 12 in
#define DMPAPER_FANFOLD_LGL_GERMAN  41	// German Legal Fanfold 8 1/2 x 13 in

#define DMPAPER_LETTER_EXTRA		 50    // Letter Extra 9 \275 x 12 in
#define DMPAPER_LEGAL_EXTRA		 51    // Legal Extra 9 \275 x 15 in
#define DMPAPER_TABLOID_EXTRA		 52    // Tabloid Extra 11.69 x 18 in
#define DMPAPER_A4_EXTRA		 53    // A4 Extra 9.27 x 12.69 in
#define DMPAPER_LETTER_TRANSVERSE	 54    // Letter Transverse 11 x 8 \275 in
#define DMPAPER_A4_TRANSVERSE		 55    // Transverse 297 x 210 mm
#define DMPAPER_LETTER_EXTRA_TRANSVERSE  56    // Letter Extra Transverse 12 x 9\275 in

#define DMPAPER_LAST	    DMPAPER_LETTER_EXTRA_TRANSVERSE

#define DMPAPER_USER    256
/* End of additions for Win 31 build 42 */