1. The document discusses the features and interface of Visual Basic 6.0, including its graphical user interface, event-driven programming model using controls, and object-oriented programming approach.
2. It describes the main interface elements like the toolbox, project explorer, properties window and code editor, which allow designing forms and writing code.
3. The toolbox contains intrinsic and ActiveX controls that can be placed on forms, while the project explorer shows all project items in a tree structure.
21. 犖犖園硯犖犖∇犖迦 : 犖犖犖園肩犖犖о犖犖伍検犖犖迦牽
犢犖犖犖犖犖
n 犖犖謹犖犖犖犖犖犖園犢犖犖÷
t 犢犖о犖犖犢犖犖犖о犖迦犢犖犢犖犖犖萎権犖 1
tab 犖犖犖劇賢犖犖犖犖園硯犖犖園犖犖犖
r 犢犖犢犢犖犖犖犢犢犖犖犖犢犖犖謹犖犖犖犖犖犖園
犢犖犖÷
f 犢犖о犖犖犢犖犖犖о犖迦犢犖犢犖犖犖萎権犖萎見犖犖謹犖
犖犖犢犖迦犖
a犖犢犖犢犖犖朽権犖 beep
24. 犖犖迦肩犖犖о (Reserved Words)
: ANSI C
auto extern sizeof break
float static case for
struct char goto switch
const if typedef continue
int union default long
unsigned do register void
double return volatile else
short while enum signed
asm _cs _ds _es
_ss cdecl far huge
interrupt near pascal
_export
26. 犖犖犖巌犖犢犖犖÷弦犖 (data type)
犖犖犖巌犖犢犖犖÷弦犖 犖犖迦牽犖犖犖萎犖迦絹 犖犖犖迦 (Byte) 犖犢犖о犖犖犖犖犢犖犖÷弦犖
犖犖園硯犖犖園犖犖犖 char 1 -128 犖犖謹 127
unsigned char 1 0 犖犖謹 255
signed char 1 -128 犖犖謹 127
犢犖ム犖犖迦犖о犢犖犢犖 int 2 -32,768 犖犖謹 32,767
unsigned int 2 0 犖犖謹 65,535
犢犖ム犖犖迦犖о犢犖犢犖 long 4 -2,147,483 犖犖謹
2,147,483,647
犢犖ム犖犖犖犖巌権犖 float 4 3.4 x 10-38
犖犖謹 3.4 x 1038
犢犖ム犖犖犖犖巌権犖 double 8 1.7 x 10-308 犖犖謹
1.7x10 +308
犢犖ム犖犖犖犖巌権犖 long double 10 3.4 x 10-4032 犖犖謹
3.4 x 104032
27. 犖犖園硯犖犖迦犖犖巌犖犖迦牽犖犖迦犖犖犖巌犖犖迦肩犖犖犢
犖犖迦牽犖犖迦犖о 犖犖園硯犖犖迦犖犖巌犖犖迦牽 犖犖園硯犖犖∇犖迦 犖犖迦牽犖犖迦犖迦
犖犖о + c = a + b; 犖犖 a 犖犖о b
犖犖ム献犖園犖犢犢犖犢犖犢犖 c
犖ム - c = a - b; 犖犖 a 犖ム b 犢犖ム犖
犢犖犢犖犢犖 c
犖犖項 * c = a * b; 犖犖 a 犖犖項 b 犢犖ム犖
犢犖犢犖犢犖 c
犖犖迦牽 / c = a / b; 犖犖迦牽犖犖迦牽 (犖犖萎硯犖園
犖犖謹犖犖犖園犖犖犖萎犖犖
犖犖犖犖犢犖犖÷弦犖ム犢犖о権)
犖÷賢犖犖項献犖園肩 % c = a % b; 犢犖犢犖犖犖迦牽犖犖迦牽犖犖朽
犢犖犢犖犢犖犖犢犖о犢犖 c