not DIALOGEX // not as an identifier 0, 3 | not 1, // = 2 61 + not 1, // = 60 not 1 | 3, // = 3 7 | (not 1 + not 2) // = 4 STYLE 0xff00ff03 & ~(not (1|2)) // = 0xff00ff03 EXSTYLE 0xff00ff03 | ~(not (1|2)) | not 8 // = 0xfffffff7 { GROUPBOX "", 0, not 1, // = 0 15 + (((not 1 | not 2 | not 4) | 2)), // = 10 0, 0, 0x34 - (not 1) + (not 0x14) // expression evaluates to 0x20 with not mask 0x15, which clears 0x5 bits of default // groupbox class style 0x50000007, resulting with style 0x50000022 GROUPBOX "", 1, 0,0,0,0,(not 7) | 1 // expression evaluates to 1 with not mask 0x7, which clears 0x7 bits of groupbox default // class style 0x50000007, but sets bit 1, resulting with style 0x50000001 }