Visual Basic123VB4567

2.1 2.2 2.3 2.4 2.5 2.6 2.7

2.1 TrueFalse-123%123%4-1234&987654&Ee7-1.234567E6

Dd1516-1.112223334445556D-338154546.5465@##January 15,2002##1985-10-1 9:45:00 PM# #3-6-93 13:20#abcdef VariantVB

Byte10~255Boolean2TrueFalseInteger%2-32768~32767Long&4-2147483648~2147483647Single!4-3.402823E38~-1.401298E-451.401298E-45~3.402823E38Double#8-1.79769313486232D308~-4.94065645841247D-3244.94065645841247D-324~1.79769313486232D308Currency@8-922337203685477.5808~922337203685477.5907Date(time)801,01,100~12,31,9999String()$0~65535String()Variant

1VB23.234538.6787E+8A) 86787000 B) 867870000 C) 8678700 D) 867870000042.65358979335278E-006A) 0.0000265358979335278B) 0.00000265358979335278C) 000265358979335278D) 0.000000265358979335278

VBTypeType As As End Type

Type Client_Record cltName as String*16 cltPassword as String*8 cltDeposit as CurrencyEnd Type1PublicTypePrivate2strName As String*Client_Record3 cltName cltPassword cltDeposit

2.2.1 1

2.2Visual Basic6.012

(1) 65535(2)&H&O 1200 '1200 &H333 '333 &O555 '555

EE1012.345E-678E30.000012 34578 00071516(3)FalseTrue(4)##2007-9-9##January 15,2002# #3-6-93 13:20#

VB 2345VB2345 %@$

2

255 VB Const Const Const [As ] = AS Const c1 As String= ( Const day = #09/30/2003 # Const pi! = 3.14159

2.2.2

1VB372VB255temp#3VBcaption caption$ 45strNameintAge

VB

Dim As [, As ] Public As [, As ] Private As [, As ] Static As [, As ]

DimPublic Private /Static

VBVB3VB3(Form)(Module)(Class) Form(Declaration)(General Procedure)(Even Procedure) (Module)VB

1DimStatic Dim As [, As ] Dim intX As integer (intX) Dim total As Single (total) Dim strName As String*10 (strName10) Dim stra1 As String (stra1) Dim Dim str1 As String, str2 As String, ff As Boolean DimAs Dim str1,str2 As String, ff,var1 As Long

Static As [, As ] Dim Static StaticDim0Static num As IntegerPrivate Sub Command1_Click() Static x As String Dim y As String x = x + "a" y = y + "b" Print "x"; x Print "y"; yEnd SubPrivate Sub Command1_Click() Static x As Integer Dim y As Integer x = x + 1 y = y + 1 Print "x"; x Print "y"; yEnd Sub

Private sub command1_click() Dim num1 As Integer Static ss as String End Sub Private sub command2_click() Dim num1 As Integer Static ss as Integer End Sub1 3ClickStaticxx=x+1

2()()Form1Form2PrivateDimPrivate As [, As ] Private x as Integer Form1Temp. Form1Temp Dim temp As StringModule1temp

3PublicGlobalPublic As [, As ] Public Public Public intTemp As Integer temp1Form1Form2temp - Public temp As Integer

5DimPublic4Option Explicit VBVariant)

DimStaticDimPrivatePublicGlobal

Private Sub Command3_Click() var2 = 400 Print var1, var2End Sub

Private Sub Command4_Click() Static var4 As Integer var4 = var4 + 1 Print var4; End Sub

Private Sub Command5_Click() Dim var5 As Integer var5 = var5 + 1 Print var5; End SubOption ExplicitDim var1 As IntegerPrivate var2 As Integer

Private Sub Command1_Click() var1 = 100 var2 = 300 Print var1, var2End Sub

Private Sub Command2_Click() Dim var1 As Integer var1 = 50 var2 = 200 Print var1, var2End SubPrint

1VBA) 4*delta B) AlphaC) 4abcD) ab2VBA) FilenameB) A(A+B)C) 368DD) Print

11Form1Form2Command1Caption 1AllM1Form1M2Form2L1Form1Command1_Click 2Form1M106ALL123Form2M2VB 3Form1Command1L13.14159Text1AllText2L1Label1M1Form1Command2Form2 4Form2Command1Text1M2Text2AllForm2M1

2.3.1 12342.3

1.VB884-6

^13^29-2-2-2*32*510/34/50.8\44\50Mod()55 Mod 41+62+3564.5-2.42.1

2.&+4-7 123 + 456 123456 123 & 456 123456 : + , & : abcdef + 12345 abcdef & 12345 abcdef12345 123 + 456 579 123 & 456 ' " 123456 "

&"Micro" & "soft""Microsoft"+"123"+"456""123456"

3.TrueFalseVB-10TrueFalse4-8VB

="abc"="ABC"False>"abc">" ABC "True>=34>=42False>>5a

1:110 \ 2.4; 10 \ 3.6;14 \ 4 28*3+2 Mod 3 / 2 33*3>=84 "EFG""efg" & "abc"5Not 5=4 And 53*2 Or 78 And 8=2*4 710>12+3 And True And 2>38Not 7>2*4 Or Not 52+3 And 2 Mod 4 =02 Ayear4100400 Bax2+bx+c=0a0b2-4ac0 Csexage1820(size)1.6516181.60Dmarrigerat(age)26workingage5

2\/Mod*4 A\B/CModD* 3AB00 AA*B=0ANDABBA=0ORB=0ANDAB CA=0ANDB0ORA0ANDB=0 DA*B=0ANDA=0ORB=0 4ABC3 AA+B>=COrA+C>=BOrB+C>=ABNot(A+B

1VB(/\Mod)555(/)(\)(Mod)5 (/\Mod)3-3Text1Text2Label1Label34Caption+

2.4 2.4.3 2.4.4 2.4.1 2.4.2 2.4.5 2.4.6

2.4.1

Sin(x)xSin(1).841470984807897Cos(x)xCos(1).54030230586814Atn(x)Atn(1).785398163397448Tan(x)xTan(1)1.5574077246549Abs(x)xAbs(-2.4)2.4Sgn(x)xx-1x00x1Sgn(-100)-1Sqr(x)xSqr(16)4Exp(x)exexExp(2)7.38905609893065Log(x)xexLog(2)0.69314718055994

IntFixIntFixInt(x)Fix(x)IntXFixX Int(-3.6) Fix(-3.6) Int(3.6) Fix(3.6) -4 -3 3 3

Hex$(x) Oct$(x) x x

1INT8*SQR36*10^-2*10+0.5/10

2.4.2

Ltrim()LTrim$("MyName")"MyName"Rtrim()RTrim$("MyName")"MyName"Trim()Trim$("MyName")"MyName"Left(,N)NLeft$("MyName",2)"My"Right(,N)NRight$("MyName",4)"Name"Mid(,N1[,N2])N1N2Mid $("MyName",2,3)"yNa"Len()Len("MyName")6

InStr()N1MC1N1C2N10M0120120

Len()Len() Len()Left()Right()Left(,n)Right(,n)nnLeft(,n) nRight(,n) n

Mid()Mid(,n1,n2)n1n2n1n2 Ltrim()Rtrim()Trim()Ltrim()Rtrim()Trim()Ltrim()Rtrim()Trim()

String()String(n,c)ncASCIIn Space()Space(n)nn

1Mid("ABCDEFG",2,3) 2InStr(2, "ABCDEFG", "EF") 3Right(abcdefghi,4)4String(4,abc)5Len(123.4)6Ucase(Left(basic,3))

2.4.3 IsArray( )IsArray()IsDate( ) IsDate()dim aa as string,bb as boolean aa=10-12-2007 bb=IsDate(aa) print bb

IsEmpty() IsEmpty()dim aa as string,bb as integer,cc as boolean cc=IsEmpty(aa) cc=IsEmpty(bb) aa=kkkk cc=IsEmpty(aa)IsNumeric() IsNumeric() dim a as booleana=IsNumeric(text1.text) print a

Str Str(X)X Long X 1Str(123) Str(-23.456)2.4.4

Val Val(string)2Val(-123.4)Val( 123.4)Val(a123.4)Val(12-3.4)

3ASCAsc ASCAsc(string)string string 4ASCChr ASCASC Chr(charcode)charcode Longcharcode 0 2550 31 ASCII Chr(10) Chr(13)Asc(a)Asc(abc)Chr(65)Chr(97)

2.4.5

Now(yy-mm-dd hh:mm:ss)Now04-2-28 16:19:10Day(s)(1~31)Day("2002-3-5") Day(now)51WeekDay(s)(1~7)12WeekDay("2002-3-5")WeekDay(now)3()5()Month(s)(1~12)Month("2002-3-5")Month(now)3Year(s)(yyyy)Year("2002-3-5")Year(now)20022007Hour(s)(0~23)Hour(Now) 16Minute(s)(0~59)Minute(Now)31Second(s)(0~59)Second(Now)42

2.4.6Rnd(x)10[]Int(( -+1*Rnd())+[50,100]Int((100-50+1)*Rnd())+50 Private Sub Command1_Click()Label1.Caption = Chr(Int((Asc("Z") - Asc("A") + 1) * Rnd() + Asc("A")))End SubPrivate Sub Command2_Click()Label2.Caption = Chr(Asc(Label1.Caption) + 32)End Sub

1Int(-3.14159)2Fix(-3.1415926)3Sgn(25)4Sqr(Sqr(16))5Abs(98-100)6Str(-456.67)7Val(16Year)8Year(05-3-20)9WeekDay(Now)10Asc(ab)Rnd A0B1C0.1234D0.00005 INT100*RND1 A[099]B[1100]C[0100]D[199]

1 x=2732.87 y=-658.236 z=3.14159*30/180 Int(x),Fix(x),Int(y),Fix(y),Hex(Int(x)),Oct(Fix(x)),Abs(y),Sin(z),Cos(z)

-1*Sgn-100+Int(Rnd*100) A0B1C-1D [1037]VisualBasic AInt(Rnd(1)*27)+10BInt(Rnd(1)*28)+10 CInt(Rnd(1)*27)+11DInt(Rnd(1)*28)+11 Len(Str(Val(123.4))) A11B5C6D8

2.5 1VB CAPTION caption Caption2 VB(:) x=10 : y=5 : z=6 325510234 _ Private Sub Form_MouseDown(Button As Integer, Shift As _Integer, X As Single, Y As Single)

1

1[ Let ]= Let2[ Let ][.]=2==x=10 : Text1.Text=abcd : Text1.Text=Text2.Text

:Caption Texttext1.text=10

2VBREM REM 1Rem2 3Visual BasicADim a(10)As Integer RemVB BVB Private Sub Command1_Click() Ca=1:b=2:RemVB:c=3 D If Shift = 6 And Button = 2 Then Print "BBBB" Rem VB End If

*2.6 VBVB

*VB1IF 2Select Case If x0 Then y=5*x+2 Else y=0 End If2.6.1

*If1If Then 2If Then End If FalseTrueTrue Then End If IfIf1If Then ()

*1If Then Else 2If Then 1 Else 2 End IfIfIfTrue Then Else 2If Then Else ()

*Private Sub Command_Click() Dim x as Integer x = val(Text1.Text) If x Mod 2 =0 then MsgBox Str(x) & Else MsgBox Str(x) & Enf if End Sub

*: If 1 Then 1 ElseIf 2 Then 2 ElseIf n Then n [Else n+1 ] End If1True 12True2n3IfThenElseIf ()

*Text1001010 Private Sub Command1_Click()Dim x As Integer x = Val(Text1.Text) If x < 0 Then MsgBox 0" ElseIf x < =10 Then MsgBox 010" Else MsgBox "10" End IfEnd Sub:0~60~6

*4IfIf Then ElseIf If Then

End IfIf Then Else

End IfIf Then End IfIf Then End IfIf If End If

5IIf IIf IIf IIfTrueFalseIf Then Else x,yTmax Tmax=IIfx > yxyY = y=Iif(x

*Select CaseSelect Case Case [Case []] [Case []] [Case Else []]End SelectSelect Case y Case 1,3,5,7,9 print 10 Case 2,4,6,8 print 10 Case 10 to 20 print 1020 Case Else print End Select

1,234,

strC If :If Ucase(strC) >="A" And Ucase (strC) ="0" And strC

Text1111010 Select Case Private Sub Command1_Click() Dim x As Integer x = Val(Text1.Text) Select Case x Case Is < 1 Text2.Text = "1" Case 1 To 10 Text2.Text = "1....10" Case Else Text2.Text = "10" End SelectEnd Sub

1.x5"Result"Select Case( )A) Select Case x Case 10 To 1 Print "Result" End Select B) Select Case x Case Is 5, Is 5 Print "Result" End Select C) Select Case x Case Is 5, 1, 3 To 10 Print "Result" End Select D) Select Case x Case 1, 3, Is 5 Print "Result" End Select

2.a=6 x=IIf(a5-10) x( )A) 5 B) 6 C) 0 D) -1

3.r = 1 x0 2 x=0 ( )AIf x0 Then r = 1 ElseIf x=0 Thenr=2 End IfBIf x 0 Then r = 1 ElseIf (x = 0) Then r=2 Else r = 1 End IfCprint(IIf(x0,1,2)) Dr = IIf(x0,1,2)

0~60~6

:,12002200~4002003%34004004%4500050005%

Visual Basic ForNext DoLoopDoDo

For to [Step ] [Exit For] Next =?TrueFalseFor-Next For-NextExit ForFor I=1 to 10 step 1 Print I Next i

1=Int((-)/)+12l l l ()>0

: s=0For I=2 To 13 Step 3 s=s+i Next I Print s=; sPrint i=; i Int((13-2)/3)+1 : I=14

Is12

ForN !NPrivate Sub Form_Click() Dim I%, f&, n% n = InputBox(, ) f = 1 For i = 1 To n f = f * I Next I Print n; "! ="; f End Sub

S=1+1/2+1/3++1/nnn =val(InputBox(n")) S = 0 For i = 1 To n S = S + 1/i Next i Print S 10-27382-76-124321-2589-20

ForNext For i=e1 To e2 [Step e3] For j=d1 to d2 [Step d3] .. Next j Next i (1) (2) (3)

Private Sub Form_Click()Dim i As Integer, j As IntegerFor i = 1 To 9 For j = 1 To i Print i; "*"; j; "="; i * j; Next j PrintNext iEnd SubPrint Tab((j - 1) * 13);

For j = 1 To 5 Print Tab(j); j For i = 1 To 6 Print "*"; Next i PrintNext j

Private Sub Form_Click() Dim a As Integer, i As Integer, j As Integer a = 0 For i = 1 To 2 For j = -2 To 2 a = a + i + j Next j Print a; Next i Print Print i, j, aEnd Sub

(1) X$=a : y$=b : z$=c For i=1 to 2 x$=y$ : y$=z$ : z$=x$ next I Print x$+y$+z$ End (2) For i=1 to 2 s=1 For j=0 to i-1 s=s+s*i Next j Print s; Next I End(3) For I=1 to 3 step 1 Print spc(5-I); For j=1 to 2*I-1 Print * Next j Print Next i For m=1 to 3 For n=0 to m-1 Next n Next m End

Do Loop Do1Do Loop While 2Do Loop Until 3Do While Loop 4Do Until Loop 1Do Loop While Do While Loop True Do Loop Until Do Until Loop True

YesNo1Do While [Exit Do] LoopYesNo2Do [Exit Do] Loop While x=1 Do Whilex

Do Until [Exit Do ] Loop34Do [Exit Do] Loop Until YesNoYesNox=1 Do Printx x=x+1 Loop Until x>=5

50 ~ 1003Do4Private Sub Form_Click() x=50 do until x>100 if x mod 3 0 then print x, end if x=x+1 Loop End Sub

1Do Until Loop A0B0C0D2x=1y=4Do Until y>4 x=x*y y=y+1LoopPrint xA) 1B) 4C) 8D) 20

3Private Sub Command1_Click()x=0Do Until x=-1 a=InputBox(a) a=Val(a) b=InputBox (b) b=Val(b) x=InputBox (x) x=Val(x) a=a+b+xLoopPrint aEnd Sub54321-1A2B3C14D15

4nametext1text2namecommand1Private Sub Command1_click()x=0do while x

1 1 2 1 1 2 3 2 1 1 2 3 4 3 2 1 1 2 3 4 5 6 7 8 9 8 7 6 5 4 3 2 1 For I=1 to 9 print spc(30-3*I) for j=1 to I Print j; next j for k=I-1 to 1 step 1 Print k; next k print next i

2.7 VB ()()

: Dim | Static | public(1[,2]) [As ] 60 : [ To ] 0 , : +1 : Dim kk(1 to 100) As IntegerDim A( 0 To 2 0 To 3) As Long A 34: Dim A(2 3) As Long34

A(0,0)A(0,1)A(0,2)A(0,3)A(1,0)A(1,1)A(1,2)A(1,3)A(2,0)A(2,1)A(2,2)A(2,3)

(1) 0 ,1 Option Base 1 (2) n =Inputbox(n Dim x(n) As Single (3), Dim x(10) As Integer ' x11 x(10)=100 ' x(10)

(4)(5)AsVariantDim a(1 to 5) as integer Dim a(5) as integer Dim a(5, 1 to 5) as integer Option base 1 dim b(3,2) as integer

(6) Lbound([,]) Ubound([,]) Private Sub Form_Click() Dim a(34) As Integer Print LBound(a,1); UBound(a,1) Print LBound(a,2); UBound(a,2) End Sub

()ReDim ReDim ([2]) [As ] Sub Form_Click( ) Dim s( ) As Single ReDim s(43 to 8) End Sub (1) DimPublicReDim (2) ReDim (3) ReDim

(4) ReDimReDimPreservePrivate Sub Form_Click() Dim a() As Integer n = 3 ReDim a(n) a(1) = 4 Print a(1) n = 5 ReDim a(n) ReDim preserve a(n) Print a(1) End Sub

dim s(5) as string s(1)=aa s(2)=s(1) & bb a=s(2) print s(1);s(2);a

ForInputBox dim a(5) as string for I=0 to 5 b=inputbox() a(I)=b next i dim a(4) as string a(0)=a : a(1)=b : a(2)=c : a(3)=d : a(4)=e 30

(1)For(Inputbox For i = 1 To 10 iA(i)=i Next i (2) Array =Array( Dim ib As Variant Dim ib() as Variantib = Array("abc", "def", "67") For i = 0 To UBound(ib) Print ib(i); " "; Next i (1)ArrayVariant (2)ArrayUbound

ForPrint1ForPrint a(5)a(5) For I=0 to 5 print a(I); next I print2For Print a(3,4) a(3,4)45For I=0 to 3 For j=0 to 4 print a(I,j); next j print next i

1 dim a(3),b(2,3) a(0)=0:a(1)=1:a(2)=2:a(3)=3 b(1,3)=a(3) a(0)=b(1,3)2For dim a as variant,b() as variant a=array(1,2,3,4,5,6) redim b(ubound(a)) For i = 0 To ubound(a) b(i) = a(i) Print b(i); Next i

For Each Next for each In [ Exit For ] Next []dim a,va a=array(1,2,3,4,5) for each va in a print va; Next vavaa,

110 PrivateSubCommand1_Click Dima(10)Asinteger,iAsInteger Fori=1To10 a(i)=InputBox() Nexti Fori=10To1step-1 Printa(i) NextI EndSub For i =1 To 10\2 t=A(i) A(i)=A(11-i) A(11-i)=t Next I Dim Max As Integer,iMax As Integer Max=A(1)n=1 For i = 2 To 10 If A(i)>Max Then Max=A(i) n=i End If Next I

1(NameCommand1) Private Sub Command1_Click() Dim Arr1(10), arr2(10) As Integer n=3 For i = 1 To 5 Arr1(i) = i arr2(n) = 2 * n + i Next i Print arr2(n); Arr1(n) End Sub ( ) A.11 3B.3 11 C.13 3 D.3 13

2(NameCommand1) Option Base 1 Private Sub Command1_Click() Dim a = Array(1, 2, 3, 4) j=1 For i = 4 To 1 Step -1 s = s + a(i)*j j =j * 10 Next i Print s End Sub ( )A.4321 B.12 C.34 D.1234

3Option base 1Dim a as variant, max as integer, m as integer, sum as integerSum=0:max=0:m=0A=array(21,15,20,19,3,17)For i=1 to 6 sum=sum+a(i) if a(i)>max thenmax=a(i)m=I end ifNext IPrint max=;max, m=;m, sum=;sum

nPrivate Sub Command1_Click()Dim a(1 to 10) As Integern=10For i = 1 To n a(i) = InputBox("10") Print a(i);Next iPrintFor i = 1 To n-1 m = i For j = i + 1 To n If a(j) < a(m) Then m = j End If Next j t = a(i) a(i) = a(m) a(m) = tNext iPrint ""For i = 1 To n Print a(i);Next iPrintEnd Sub

(Index) Private Sub cmdName _Click(Index As Integer) If Index=3 then End If End Sub

1105511029562A28764287025B79273241576678802+798+2725+8033n m410X1010

510100 207 14.5077 15.1 156 14.2 231 14.7 453 15.2 276 13.9 096 15.7 122 13.7 339 14.9 302 14.5 1 2 3 10

Dim a As Variant, b As Varianta = Array("207", "156", "453", "096", "339", "077", "231", "276", "122", "302")b = Array(14.5, 14.2, 15.2, 15.7, 14.9, 15.1, 14.7, 13.9, 13.7, 14.5)For i = 0 To 8 Min = b(i) n = i For j = i + 1 To 9 If Min > b(j) Then Min = b(j) n = j End If Next j t = b(i) b(i) = b(n) b(n) = t t = a(i) a(i) = a(n) a(n) = tNext iPrint ; Tab(8); ; Tab(20); "For i = 0 To UBound(a) Print i + 1; Tab(8); a(i); Tab(20); b(i)Next i

2.8 VB1VB2VBSubFunctionFunction

1SubSub[Private|Public] [Static] Sub ([]) [] [Exit Sub] []End Sub SubPrivate Sub sumx as integery as integer dim s as integer s = x + y print ;sEnd SubSub

1[Private|Public] Private2Static 3SubFunction 4Exit SubExit Sub

5 6

2Sub 12 3 End Sub

3Sub SubEnd Sub1CallSubCall [] Call sumab2 []Call sum ab

Private Sub CmdOK() Call Swap(a,b) Swap a,bEnd SubPrivate Sub Swap(x%,y%) Dim temp% Temp=X X=Y Y=TempEnd Sub Sub

P55 12

Sub jchn%p&Dim i%p = 1For i = 1 To n p = p * iNext iEnd Sub n!7+11-10 Private Sub Form_Click Dim a&b&c&d& Call jch7a jch 11b Call jch10c d = a + bc Print "7!+11!-10!="d End Sub

4Visual Basic 1 SubFunction 2 SubFunctionSubFunction A()

3ByVal4ByRef

Sub Swap1(ByVal x%, ByVal y%)Dim Temp% Temp = x: x = y: y = TempEnd SubSub Swap2(x%, y%) Dim Temp% Temp = x: x = y: y = Temp End SubPrivate Sub Command1_Click() a% = 10: b% = 20: Swap1 a, b ' Print "A1="; a, "B1="; b a = 10: b = 20: Swap2 a, b ' Print "A2="; a, "B2="; bEnd Sub

Visual BasicStr( )val( )Function

1 [Private|Public] [Static] Function ( [] ) [As ] [] [=] [Exit Function] []End Function 1AsAsVariant2=

myAbsPublic Function myAbs(a) as Single If a >= 0 Then ' myAbs = a ' 0 Else myAbs = -a ' End IfEnd Function2 ([]) SubPrivate Sub Command1_Click()Dim sr As Singlesr = InputBox("")Print "", myAbs(sr)End Sub

n!7+11-10Function jch(n%) as long Dim i%,f% f = 1 For i = 1 To n f = f * i Next I jch=fEnd Function Private Sub Form_ClickDim d as longd = jch(7)+ jch(11)jch(10)Print "7!+11!10!="dEnd Sub

Text1Command1Private Sub Command1_Click() n = Val(Text1.Text) If n\2 = n/2 Then f = f1(n) Else f = f2(n) End If Print f; nEnd SubPublic Function f1(ByRef x) x=x*x f1=x+xEnd FunctionPublic Function f2(ByVal x) x=x*x f2=x+x+xEnd Function6A) 7236 B) 10836 C) 726 D) 1086

(1) (2) (3)

1 A) Sub Proc1ByVal nByVal m B) Sub Proc1nByVal m C) Sub Proc1nm D) Sub Proc1ByVal nm2 Sub Sx As Single,y As Single t = x x=t/y y=t Mod y End SubPrivate Sub Commandl_Click ( ) Dim a As Single Dim b As Single a =5:b =4 S a,b Print a,bEnd Sub A) 5 4 B) 1 1 C) 1.25 4 D) 1.25 1

3 Function F(a As Integer) b = 0 Static c b = b+1 : c = c+1 f = a+b+c End Function A) 6 B) 4 C) 4 D) 6 6 5 6 7 6 6 8 8Private Sub Command1_Click() Dim a As Integer A=4 For I=1 To 3 Print F(a) Next IEnd Sub

4 Public Sub Proc1(n As Integer,Byval m As Integer) n=n Mod 10 m=m\10 End Sub

A) 12 34 B) 2 34 C) 2 3 D) 12 3Private Sub Command1_Click() Dim x As Integer,y As Integer x=12:y=34 Call Proc1(x,y) Print x,y End Sub

11Function

2.9 12345

CommandButton [] 1DefaultTrueCancelTrue

Caption,, &Ok , OkDefaultCancelDefaultTrueCancelTruePicture(.bmp.Ico)Style1Style 0 , 1 ToolTipTextPictureDownPictureDisablePicture

2 ClickMouseDownMouseUpKeyDownKeyUp3SetFocus .SetFocus

()1 NameHeightWidthTopLeftEnabledVisibleFontForeColorBackColor21CaptionCaption2Alignment012

3AutoSizeTrueFalse4BorderStyle015BackStyle013ClickDblClickChangCaption

11Text TextText Caption2Maxlength , 03 MultiLine ,. False4ScrollBars MultiLineTrue,, 0-None1-Horizontal2-Vertical3-Both

5Locked False6PassWordChar PasswordChar MultiLine False7SelStartSelLengthSelText SelStart 0SelStartSelStart SelLength SelText

Private Sub Command1_Click() Text1.SelStart = 0 Text1.SelLength = Len(Text1.Text) Print Text1.SelTextEnd Sub0123456789 SelStart=5,SelLength=4, SelText="5678" 2SetFocus

31ChangeTextTextChange Private Sub Text1_Change() Static x As Integer x = x + 1 Text2.Text = Str(x) End Sub2GotFocusTabSetFocusText Private Sub Text1_GotFocus() Text1.SelStart=0 Text1.SelLength=Len(Text1.Text) End Sub

3KeyPress ANSIKeyAsciiAscii Private Sub Text1_KeyPress(KeyAscii As Integer) Print KeyAscii, Chr(KeyAscii) End Sub ABCD4LostFocusTabLostFocus Private Sub Text1_LostFocus() If Text1.Text = Then MsgBox Text1.SetFocus End If End Sub

Tab Text1_ LostFocus :Tab, IsNumeric(Text1) : . Text1.SetFocus :

ScrollBarHScrollbarVscrollBar

1. (1) Value (2) Max -32,768~32,767(3) Min -32,768~32,767(4) SmallChange (5) LargeChange

2 1Change ChangeValueChange2Scroll ScrollScroll ScrollChangeScrollChange

P34

10 ~ 100

2.10 2.11

2.8 ListBox List1List2List31List List00 List1.List(0)=" List1.List(1)=" List1.List(2)=" List1.List(3)=" List1.List(4)="

(2)ListIndexListIndexListIndex-1 (3)ListCountListCountListCount-10~ListCount-1List(4)SortedSortedTrueFalse

(5)TextTextList1.TextList1.ListIndex(6) MultiSelect MultiSelect

012 SHIFT CTRL

7SelectedList List1.Selected0=TrueList1ListIndex0List1.selected(0)=trueList1.selected(2)=trueList1.selected(1)=falseList1.selected(3)=falseList1.SelCount=28SelCount SelCount SelCount 0

(9)Style01List1.List(0)=List1.List(1)= List1.ListIndex = 3 (0) List1. ListCount = 5 List1. Selected(3) = TrueFalse List1. Sorted = False List1. Text List1. List(List1. ListIndex)

ClickDblClickListAddItemRemoveItemClear(1)AddItem .AddItem ,AddItem0ListCount-1

(2)RemoveItem .RemoveItem List1Command1Command2 Private Sub Command1_Click List1.AddItem "One"0 End Sub Private Sub Command2_Click List1.RemoveItem 0 End Sub(3)Clear .ClearClearListCount0

(Year mod 4=0) and (year mod 100 0) or (year mod 400=0)A0 and b*b-4*a*c>=0(Sex=true and age>=18 and age=1.65) or (sex=false and age>=16 and age=1.60)Marrigerat=true and age>=26 and workingage>=5