carlasabandar.files.wordpress.com 2012 10 microsoft visual basic 2010 step by step

8/13/2019 Carlasabandar.files.wordpress.com 2012 10 Microsoft Visual Basic 2010 Step by Step

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Pri vat e Sub But t on2_Cl i ck(ByVal sender As Syst em. Obj ect, _

ByVal e As Syst em. Event Ar gs) Handl es Butt on2. Cl i ck

End Sub



Pict ureBox1. Vi s i bl e = Fal se ' hi de pi cture

Label 1. Text = CSt r ( I nt( Rnd( ) * 10) ) ' pi ck numbers

Label 2.Text = CSt r ( I nt ( Rnd( ) * 10) )

Label 3.Text = CSt r ( I nt ( Rnd( ) * 10) )

' i f any number i s 7 di spl ay pi ct ure and beep

I f (Label 1. Text = "7") Or ( Label 2. Text = "7") _

Or ( Label 3. Text = "7") Then

Pi ctureBox1. Vi si bl e = Tr ue

Beep( )

End I f



Pict ureBox1. Vi s i bl e = Fal se ' hi de pi cture

Label 1. Text = CSt r ( I nt ( Rnd( ) * 10) ) ' pi ck numbers



MsgBox(" Your bi r t h date was " & Dat eTi mePi cker1. Text )MsgBox( "Day of t he year : " & _

DateTi mePi cker 1. Val ue. DayOf Year. ToStr i ng( ) )



' The l i st box i tem sel ect ed (0-2) i s hel d i n the Sel ectedI ndex propert y

Sel ect Case Li st Box1. Sel ectedI ndex

Case 0

Pi ct ureBox1. I mage = Syst em. Dr awi ng. I mage. Fr omFi l e _

( "c: \ vb10sbs\ chap03\ harddi sk. bmp")

Case 1


( "c: \ vb10sbs\ chap03\ pr i nter. bmp")

Case 2


( "c: \ vb10sbs\ chap03\ satedi sh. bmp")

End Sel ect



' Add i tems to a l i st box l i ke thi s:

Li st Box1. I t ems. Add( "Ext ra har d di sk")

Li stBox1. I tems. Add(" Pri nt er ")

Li stBox1. I tems. Add(" Sat el l i te di sh")



Obj ect. Proper t y = Val ue

But t on1. Text = "Hel l o"



' Change t he col or of t he l i nk by sett i ng Li nkVi si t ed t o True.

Li nkLabel 1. Li nkVi si t ed = Tr ue

' Use t he Process. St art method t o open t he def aul t browser

' usi ng t he Mi crosof t Press URL:



Syst em. Di agnost i cs. Process. St art _

( "htt p: / / www. mi crosoft . com/ l earni ng/books/ ")

System. Di agnost i cs. Process. St art (" I Expl or e.exe", _

"htt p: / / www. mi cr osoft . com/ l ear ni ng/ books/ ")

Syst em. Di agnost i cs. Process. St art ( "Wi nword. exe", _

"c: \ myl ett er. doc")



Label 1. Text = Ti meSt r i ng

Label 1. Text = DateStr i ng



OpenFi l eDi al og1.Fi l t er = "Bi t maps (*. bmp) | *. bmp"



End

Label 1. Text = Ti meSt r i ng



Di m Last Name As St r i ng

Last Name = "J ef f er son"



Last Name = "1313 Mocki ngbi r d Lane"

Label 1. Text = Last Name

Di m at t endance = 100

Di m at t endance As I nteger = 100

Di m addr ess = "1012 Dai sy Lane"



Di m Last Name As St r i ng

Last Name = " Lut her "


Last Name = "Bodenst ei n von Kar l st adt"




End



Ful l Name = I nputBox( Pr ompt , Ti t l e)

But t onCl i cked = MsgBox( Pr ompt , But t ons, Ti t l e)



Str uct ure Empl oyee Di m Name As St r i ng

Di m DateOf Bi r t h As Date

Di m Hi r eDate As Dat e

End Str uctur e

Di m Pr oduct Manager As Empl oyee

Pr oduct Manager. Name = "Er i n M. Hagens"



' Assi gn t ext box val ues to vari abl esFi r st Num= Text Box1. Text

SecondNum = TextBox2. Text

' Deter mi ne checked but t on and cal cul ate

I f Radi oButt on1. Checked = True Then Text Box3. Text = Fi r st Num + SecondNum

End I f



' Decl are Fi r st Num and SecondNumvari abl esDi m Fi r st Num, SecondNum As Doubl e

' Assi gn t ext box val ues to vari abl es

Fi r st Num= Text Box1. TextSecondNum = TextBox2. Text

' Deter mi ne checked but t on and cal cul ate

I f Radi oButt on1. Checked = True Then

TextBox3. Text = Fi r st Num\ SecondNum

End I f




Text Box3. Text = Fi r st Num Mod SecondNum

End I f

I f Radi oButt on3. Checked = True Then Text Box3. Text = Fi r st Num ^ SecondNum

End I f


Text Box3. Text = Fi r st Num & SecondNum

End I f



Di m Resul t As Doubl e

Resul t = Sqr t ( 625)

TextBox1. Text = Resul t



I f condi t i on Then st at ement

I f Score >= 20 Then Label 1. Text = "You wi n!"

Scor e >= 20

I f condi t i on1 Then

st at ements execut ed i f condi t i on1 i s TrueEl seI f condi t i on2 Then

st at ements execut ed i f condi t i on2 i s True

[ Addi t i onal El seI f condi t i ons and st atement s can be pl aced here]

El se

st atement s execut ed i f none of the condi t i ons i s True

End I f



Di m Adj ust edI ncome, TaxDue As Doubl e

Adj ust edI ncome = 50000

I f Adj ust edI ncome <= 8375 Then ' 10% t ax bracket

TaxDue = Adj ust edI ncome * 0. 1El seI f Adj ust edI ncome <= 34000 Then ' 15% t ax bracket

TaxDue = 837. 5 + ( ( Adj ust edI ncome - 8375) * 0. 15)

El seI f Adj ust edI ncome <= 82400 Then ' 25% t ax bracket






El se ' 35% t ax br acket


End I f



I f MaskedText Box1. Text = "555- 55- 1212" Then

MsgBox("Wel come t o t he sys t em! " )El se

MsgBox( "I don' t r ecogni ze t hi s number ")

End I f



Di m Number As I nteger = 0

I f Number = 1 AndAl so MsgBox(" Second condi t i on t est ") Then

MsgBox(" I nsi de I f ")El se

MsgBox( "I nsi de El se")

End I f

Di m HumanAge As I nt eger

HumanAge = 7

' One year f or a dog i s seven years f or a human

I f HumanAge <> 0 AndAl so 7 / HumanAge <= 1 Then

MsgBox(" You ar e at l east one dog year ol d")

El se

MsgBox(" You ar e l ess t han one dog year ol d")

End I f



Sel ect Case vari abl e

Case val ue1

st atement s execut ed i f val ue1 matches var i abl e

Case val ue2


Case val ue3




. . .

Case El se

st atement s execut ed i f no match i s f oundEnd Sel ect

Di m Age As I nteger

Age = 18

Sel ect Case Age

Case 16

Label 1. Text = "You can dri ve now! "

Case 18

Label 1. Text = "You can vote now! "

Case 21 Label 1. Text = "You can dri nk wi ne wi t h your meal s. "

Case 65

Label 1. Text = "Ti me t o r et i re and have f un! "

End Sel ect

Di m Age As I nteger

Age = 25

Sel ect Case Age Case 16

Label 1. Text = "You can dri ve now! "

Case 18

Label 1. Text = "You can vote now! "

Case 21

Label 1. Text = "You can dri nk wi ne wi t h your meal s. "



l st Count r yBox. I t ems. Add( "Engl and")

l st Count r yBox. I t ems. Add( "Germany")

l st Count r yBox. I t ems. Add( "Mexi co")

l stCount ryBox. I tems. Add(" I t al y")

l bl Count r y. Text = l st Countr yBox. Text

Sel ect Case l st Count r yBox. Sel ectedI ndex

Case 0

l bl Gr eeti ng. Text = "Hel l o, pr ogrammer" Case 1

l bl Gr eeti ng. Text = "Hal l o, pr ogrammi er er"

Case 2

l bl Gr eeti ng. Text = "Hol a, progr amador"

Case 3

l bl Gr eet i ng. Text = "Ci ao, progr ammator e"

End Sel ect



I f l st Countr yBox. Sel ectedI ndex < 0 Then

l bl Gr eet i ng. Text = "Pl ease cl i ck t he count r y name"

End I f



For vari abl e = start To end

st atement s t o be r epeat ed

Next [ vari abl e]

Di mi As I nt eger

For i = 1 To 4

Beep()

Next i

Beep( )

Beep( )

Beep( )

Beep( )



Di m i As I nt eger

Di m Wr ap As St r i ng

Wr ap = Chr ( 13) & Chr ( 10)

For i = 1 To 10

Text Box1. Text = Text Box1. Text & "Li ne " & i & Wr ap

Next i



Di m i As I nt eger

Di m I npName As St r i ng

For i = 1 To 10

I npName = I nputBox( "Ent er your name or t ype Done to qui t . " )

I f I npName = "Done" Then Exi t For

Text Box1. Text = I npName

Next i



Do Whi l e condi t i on

bl ock of st atement s t o be execut ed

Loop


Do Whi l e I npName <> "Done"

I npName = I nputBox( "Enter your name or t ype Done t o qui t . ")

I f I npName <> "Done" Then Text Box1. Text = I npName

Loop

""


Do

I npName = I nputBox( "Enter your name or t ype Done t o qui t . ")

I f I npName <> "Done" Then Text Box1. Text = I npName

Loop Whi l e I npName <> "Done"



Di m FTemp, Cel si us As Si ngl e

Di m st r FTemp As St r i ng

Di m Pr ompt As Str i ng = "Ent er a Fahrenhei t t emper atur e. "

Do

st r FTemp = I nput Box(Prompt, "Fahr enhei t t o Cel si us")

I f st r FTemp <> " " ThenFTemp = CSng(st r FTemp)

Cel si us = I nt( ( FTemp + 40) * 5 / 9 - 40)

MsgBox( Cel si us, , "Temperature i n Cel si us")

End I f

Loop Whi l e st r FTemp <> ""

End



Cel si us = I nt( ( FTemp + 40) * 5 / 9 - 40)



MsgBox(" Sor r y, your t i me i s up. ")

End

I f TextBox1. Text = "secr et" Then

Ti mer 1. Enabl ed = Fal se

MsgBox("Wel come t o t he syst em! " )

End

El se

MsgBox( "Sor ry, f r i end, I don' t know you. ")

End I f



Di m osVersi on = My. Comput er. I nfo. OSVersi on

Di m osName = My. Comput er . I nf o. OSFul l Name

MsgBox( osName & vbCr & osVer si on)



I f Age > 13 And Age < 20 Then

TextBox2. Text = "You' r e a t eenager"

El se

TextBox2. Text = "You' r e not a t eenager"

End I f

I f Age >= 13 And Age < 20 Then



I f Age >= 13 And Age < 20 Then



Catch ex As System. I O. Fi l eNotFoundExcepti on ' i f Fi l e Not Found err or

MsgBox( "Check pat hname and di sc dr i ve")

Cat ch ex As OutOf MemoryExcept i on ' i f Out Of Memory er r or

MsgBox(" I s t hi s r eal l y a bi t map?", , ex. Message)Catch ex As Except i on

MsgBox(" Probl eml oadi ng f i l e", , ex. Message)

End Try



Tr y

Thr ow New Except i on(" There was a probl em")

Catch ex As Except i on

MsgBox( ex. Message)

End Try



Tr y

Pi ct ureBox1. I mage = _Syst em. Dr awi ng. Bi t map. Fr omFi l e(" d: \ f i l eopen. bmp")

Catch

MsgBox(" I nser t the di sc i n dri ve D, t hen cl i ck OK! ")

Tr y

Pi ct ureBox1. I mage = _

Syst em. Dr awi ng. Bi t map. FromFi l e(" d: \ f i l eopen. bmp")

Cat ch

MsgBox( "Fi l e Load f eat ur e di sabl ed")

Butt on1. Enabl ed = Fal se

End Tr y

End Try

I f Fi l e. Exist s("d:\ f i l eopen. bmp") Then

Pi ct ureBox1. I mage = _



Syst em. Dr awi ng. Bi t map. Fr omFi l e(" d: \ f i l eopen. bmp")

El se

MsgBox( "Cannot f i nd f i l eopen. bmp on dri ve D. ")

End I f

I mpor t s System. I O



Wi ns = Wi ns + 1

l bl Wi ns. Text = "Wi ns: " & Wi ns



Funct i on Funct i onName( [ ar gument s] ) As Type

f uncti on st at ement s

[ Return val ue]

End Funct i on



Funct i on Tot al Tax( ByVal Cost as Si ngl e) As Si ngl e

Di m St at eTax, Ci t yTax As Si ngl e

StateTax = Cost * 0. 05 ' State tax i s 5%

Ci t yTax = Cost * 0. 015 ' Ci t y t ax i s 1.5%

Tot al Tax = St ateTax + Ci t yTax

End Funct i on

Funct i on Tot al Tax( ByVal Cost as Si ngl e) As Si ngl e

Di m St at eTax, Ci t yTax As Si ngl e

StateTax = Cost * 0. 05 ' State tax i s 5%

Ci t yTax = Cost * 0. 015 ' Ci t y t ax i s 1.5%

Retur n Stat eTax + Ci t yTax

End Funct i on

l bl Taxes. Text = Tot al Tax(500)

Di mTotal Cost , Sal esPr i ce As Si ngl e

Sal esPri ce = 500

Tot al Cost = Sal esPr i ce + Total Tax( Sal esPr i ce)



Percent = Hi t s / Tri es

Retur n For mat( Per cent , "0. 0%")

End Functi on

Spi ns = Spi ns + 1

l bl Rate. Text = Hi t Rate(Wi ns, Spi ns)



Sub Pr ocedur eName( [ ar gument s] )

procedur e st at ement sEnd Sub



Sub Bi r t hdayGr eet i ng (ByVal Person As Str i ng)

Di m Msg As Str i ng

I f Per son <> "" Then

Msg = "Happy bi r t hday " & Person & " ! "El se

Msg = "Name not speci f i ed. "

End I f

MsgBox( Msg, , "Best Wi shes")

End Sub

Bi r t hdayGr eet i ng( "Robert ")

Di m NewName As Str i ng

Do

NewName = I nput Box( "Ent er a name f or gr eet i ng. ", "Bi r t hday Li st ")

Bi r t hdayGr eet i ng( NewName)

Loop Unt i l NewName = ""



Sub AddName(ByVal Team As Str i ng, ByRef ReturnSt r i ng As St r i ng)

Di m Prompt, Nm, Wr apChar act er As St r i ng

Pr ompt = "Ent er a " & Team& " empl oyee. "

Nm = I nput Box( Prompt, "I nput Box")

Wr apChar act er = Chr ( 13) + Chr( 10)

Ret urnSt r i ng = Nm & Wr apCharact er

End Sub

Di m Sal esPosi t i on As St ri ng = ""

AddName(" Sal es", Sal esPosi t i on)

t xtSal es. Text = t xtSal es. Text & Sal esPosi t i on



Sub CostPl usI nt er est( ByRef Cost As Si ngl e, ByRef Total As Si ngl e)

Cost = Cost * 1. 05 ' add 5%t o cost . . .

Tot al = I nt ( Cost ) ' t hen make i nt eger and r et ur n

End Sub

.

.

.

Di m Pri ce, Total Pri ce As Si ngl e

Pri ce = 100

Tot al Pr i ce = 0

CostPl usI nterest( Pri ce, Tot al Pri ce)

MsgBox( Pri ce & " at 5% i nterest i s " & Total Pri ce)

Sub CostPl usI nt er est( ByVal Cost As Si ngl e, ByRef Total As Si ngl e)



Di m Arr ayName( Di m1I ndex, Di m2I ndex, . . . ) As Dat aType

Di m Empl oyees( 9) As St r i ng

Publ i c Empl oyees( 9) As St r i ng

Di m Empl oyees( 0 To 9) As St r i ng



Di m Scor eboar d(1, 8) As Short

Di m Scoreboard(0 To 1, 0 To 8) As Shor t



Empl oyees(5) = "Lesl i e"

Scoreboard( 0, 2) = 4



Di m Wai t er s( ) As St r i ng = {"Ben", "Sue", "Lee", "Ki m", "Pat", "Eve", "Sal "}

Di m I nvest ment s( ) = {5000, 20350. 50, 499. 99, 10000}

Di m Rect angl e = {{10, 20}, {50, 60}}



Di m Temper atur es( 0 To 6) As Si ngl e

Di m Prompt , Ti t l e As St ri ng

Di m i As Short

Prompt = "Ent er t he day' s hi gh t emper ature. "

For i = 0 To UBound( Temper atures)

Ti t l e = "Day " & ( i + 1)

Temperat ures( i ) = I nput Box( Pr ompt , Ti t l e)

Next

For i = 0 to 6




Di m Resul t As Str i ng

Di m i As Short

Di m Total As Si ngl e = 0

Resul t = "Hi gh t emper at ures f or t he week: " & vbCr Lf & vbCr Lf


Resul t = Resul t & "Day " & ( i + 1) & vbTab & _

Temperat ures( i ) & vbCr Lf

Tot al = Tot al + Temperat ur es( i )

Next

Resul t = Resul t & vbCr Lf & _

"Aver age temper atur e: " & Format( Tot al / 7, "0. 0")

TextBox1. Text = Resul t

Text Box1. Text = Resul t



ReDi m Preserve Arr ayName( Di m1El ement s , Di m2El ement s , . . . )

Di m Phi l osopher s() As Str i ng

ReDi m Phi l osopher s( 200)

Phi l osophers( 200) = "Davi d Pr obst "

ReDi m Preserve Phi l osophers( 300)



Di m myCube(, , ) As Si ngl e

ReDi m myCube( 25, 25, 25)

myCube( 10, 1, 1) = 150. 46

ReDi m Pr eser ve myCube(25, 25, 50)



' Fi l l t he ar r ay wi t h random number s and di spl ay i n text box


ByVal e As System. Event Ar gs) Handl es But t on1. Cl i ck



Di m i As I nteger

For i = 0 To UBound( RandAr r ay)

RandAr r ay( i ) = I nt( Rnd( ) * 1000000)

Text Box1. Text = Text Box1. Text & RandAr r ay( i ) & vbCr Lf ProgressBar1. Val ue = i ' move progr ess bar

Next i

End Sub

' Sort t he arr ay usi ng t he Ar r ay. Sort method and di spl ay




ByVal e As Syst em. Event Ar gs) Handl es But t on2. Cl i ck

Di mi As I nteger

TextBox1. Text = ""

Ar r ay. Sort ( RandAr r ay) For i = 0 To UBound( RandAr r ay)

Text Box1. Text = Text Box1. Text & RandAr r ay(i ) & vbCr Lf

ProgressBar1. Val ue = i ' move pr ogr ess bar

Next i

End Sub



' Reverse t he or der of arr ay el ement s usi ng Ar r ay. Reverse


ByVal e As Syst em. Event Ar gs) Handl es But t on3. Cl i ck

Di m i As I nteger

TextBox1. Text = ""

Arr ay. Rever se( RandAr r ay)

For i = 0 To UBound( RandAr r ay)

Text Box1. Text = Text Box1. Text & RandAr r ay( i ) & vbCr Lf

ProgressBar1. Val ue = i ' move progr ess bar

Next i

End Sub

Ar r ay. Sort ( RandAr r ay)

Ar r ay. Rever se( RandAr r ay)

Di m RandAr r ay(0 To 499) As Long

Di m RandAr r ay(0 To 2999) As Long



Cont r ol s( 0). Text = "Busi ness"

Di mi As I nt eger

For i = 0 To 3

MsgBox(Contr ol s( i ) . Name)

Next i

Di m Ctr l Var As Cont r ol

. . .For Each Ctr l Var I n Cont rol s

process obj ect

Next Ctr l Var



Opt i on I nf er Of f

' Decl are a vari abl e of type Cont rol t o represent f or m cont r ol s

Di m ct rl As Contr ol



Di m Col l ect i onName As New Col l ecti on( )



URLsVi si t ed. Add(Text Box1. Text)

System. Di agnost i cs. Process. St art ( TextBox1. Text )

Di m URLName As St r i ng = "" , Al l URLs As St r i ng = ""

For Each URLName I n URLsVi si t ed Al l URLs = Al l URLs & URLName & vbCrLf

Next URLName

MsgBox(Al l URLs, MsgBoxStyl e. I nfor mati on, "Web si t es vi si t ed")



Di m aDoc As Document

Di m docFound As Bool ean

Di m docLocat i on As Str i ng

docFound = Fal se

docLocat i on = "c: \ vb10sbs\ chap12\ myl ett er. doc"

For Each aDoc I n Document s

I f I nSt r ( 1, aDoc. Name, "myl ett er. doc", 1) Then

docFound = Tr ue

aDoc. Save

Exi t For

End I f

Next aDocI f docFound = Fal se Then

Documents . Open Fi l eName: =docLocat i on

End I f



MsgBox( My. User . Name)

MsgBox( My. Comput er . Cl ock. Local Ti me)

Di m Al l Text As St r i ng = ""

OpenF i l eDi al og1. F i l te r = "Text f i l es (* . tx t ) | * . tx t"

I f OpenFi l eDi al og1. ShowDi al og( ) = Di al ogResul t . OK Then ' di spl ay Open di al og box

Al l Text = My. Computer . Fi l eSyst em. ReadAl l Text( OpenFi l eDi al og1. Fi l eName)

t xtNot e. Text = Al l Text ' di spl ay f i l e

End I f



Di mf i l eCont ent s1 As Str i ng

f i l eCont ents1 = My. Comput er . Fi l eSystem. ReadAl l Text( "C: \ Test . t xt" )

I mpor t s Syst em. I O

Di m St r eamToDi spl ay As St r eamReader

Str eamToDi spl ay = New Str eamReader ( "C: \ vb10sbs\ chap13\ t ext br owser\ badbi l l s. t xt" )

TextBox1. Text = St r eamToDi spl ay. ReadToEnd

Str eamToDi spl ay. Cl ose( )



t xt Note.Text = "" ' cl ear text box

l bl Not e. Text = "Load a text f i l e wi t h the Open command. "

Cl oseTool Str i pMenuI t em. Enabl ed = Fal se ' di sabl e Cl ose command

OpenTool St r i pMenuI t em. Enabl ed = True ' enabl e Open command

SaveF i l eDi al og1. F i l te r = "Text f i l es (* . t xt ) | * . tx t"

I f SaveFi l eDi al og1. ShowDi al og() = Di al ogResul t . OK Then

' copy text to di sk



My. Computer . Fi l eSyst em. Wr i t eAl l Text( _

SaveFi l eDi al og1. Fi l eName, t xtNote. Text , Fal se)

End I f

I mpor t s Syst em. I O

Di m St r eamToWr i t e As St r eamWr i t er

Str eamToWr i t e = New St r eamWr i t er( "C: \ vb10sbs\ chap13\ out put . t xt" )

Str eamToWr i t e. Wr i t e(Text Box1. Text )

Str eamToWr i t e. Cl ose( )

Di mLi neOf Text As Str i ng = ""

Di m St r eamToWr i t e As St r eamWr i t er

Str eamToWr i t e = My. Comput er. Fi l eSyst em. OpenTextFi l eWr i t er( _

"C:\ vb10sbs\ chap13\ output . t xt" , Fal se)

' get l i ne of text

Li neOf Text = I nputBox( "Ent er l i ne")

Do Unti l Li neOf Text = ""

' wr i t e l i ne t o f i l e

Str eamToWr i t e. Wr i t eLi ne(Li neOf Text)



Di m AscCode As Shor tAscCode = Asc( "z" )

Di ml ett er As Char

l ett er = Chr ( 122)

l ett er = Chr ( AscCode)



Di mst rArr ay() As Str i ng

Di m sText As Str i ng

Di m i As Short

sText = t xtNote. Text

' repl ace di f f er ent new l i ne char act er s wi t h one ver si on

sText = sText. Repl ace( vbCrLf , vbCr )

sText = sText. Repl ace( vbLf , vbCr )

' remove l ast carri age r et ur n i f i t exi sts

I f sText. EndsWi t h(vbCr ) Then

sText = sText. Subst ri ng(0, sText. Length - 1)

End I f

' spl i t each l i ne i n to an arr ay

str Ar r ay = sText. Spl i t ( vbCr )

' sort arr ayShel l Sort ( str Ar ray, str Ar ray. Lengt h)

' t hen di spl ay sort ed arr ay i n text box

sText = ""

For i = 0 To str Ar ray. Lengt h - 1

sText = sText & st r Ar ray(i ) & vbCrLf

Next i

t xtNote. Text = sText

t xt Note.Sel ect( 0, 0) ' r emove t ext sel ect i on

Sub Shel l Sor t ( ByVal sort ( ) As St r i ng, ByVal numOf El ement s As Short )

Di m t emp As St r i ng

Di mi , j , span As Short

' The Shel l Sor t pr ocedur e sor t s t he el ement s of sort ( )

' arr ay i n descendi ng or der and ret urns i t t o t he cal l i ng

' procedure.

span = numOf El ement s \ 2

Do Whi l e span > 0



For i = span To numOf El ements - 1

For j = ( i - span) To 0 St ep - span

I f sor t (j ) <= sort ( j + span) Then Exi t For

' swap arr ay el ement s t hat are out of ordert emp = sort ( j )

sort (j ) = sor t (j + span)

sort ( j + span) = t emp

Next j

Next i

span = span \ 2

Loop

End Sub



For i = 0 To char sI nFi l e - 1

l et ter = t xtNot e. Text. Substr i ng( i , 1)

' det er mi ne ASCI I code and add one to i t

Encrypt = Encrypt & Chr ( Asc(l ett er ) + 1)Next

' wri t e encrypt ed text t o f i l e

My. Comput er. Fi l eSyst em. Wri t eAl l Text ( SaveFi l eDi al og1.Fi l eName, Encrypt, Fal se)

t xtNote. Text = Encrypt

t xtNote. Sel ect ( 0, 0) ' remove t ext sel ect i on

mnuCl oseI t em. Enabl ed = True


MsgBox(" An err or occurr ed. " & vbCr Lf & ex. Message)

End Tr y

End I f

Encrypt = Encrypt & Chr ( Asc(l ett er ) + 1)

Di m Al l Text As St r i ng

Di mi , charsI nFi l e As Short

Di m l ett er As Char

Di m Decrypt As St r i ng = ""



I f My. Computer . Fi l eSyst em. Fi l eExi st s( OpenFi l eDi al og1. Fi l eName) Then

Tr y ' open f i l e and t r ap any er r or s usi ng handl er

Al l Text = My. Comput er. Fi l eSyst em. ReadAl l Text( OpenFi l eDi al og1. Fi l eName)

' now, decr ypt st r i ng by subtr act i ng one f r om ASCI I code

charsI nFi l e = Al l Text. Lengt h ' get l engt h of str i ng

For i = 0 To char sI nFi l e - 1 ' l oop once for each char

l ett er = Al l Text . Substr i ng(i , 1) ' get charact er

Decr ypt = Decr ypt & Chr ( Asc( l ett er) - 1) ' subtr act 1

Next i ' and bui l d new str i ng

t xtNote. Text = Decrypt ' t hen di spl ay convert ed st ri ng

l bl Note. Text = OpenFi l eDi al og1. Fi l eName

t xtNote. Sel ect ( 0, 0) ' r emove t ext sel ect i on

t xtNot e. Enabl ed = True ' al l ow t ext cursor

mnuCl oseI t em. Enabl ed = Tr ue ' enabl e Cl ose command

mnuOpenI t em. Enabl ed = Fal se ' di sabl e Open command

Catc h ex As Except i on

MsgBox(" An er r or occurr ed. " & vbCr Lf & ex. Message)

End Try

End I f

End I f



MsgBox(Asc( "A") Xor 50)

MsgBox( 115 Xor 50)



Di m l ett er As Char

Di m st rCode As St r i ng

Di mi , charsI nFi l e, Code As Shor t

Di m St r eamToWr i t e As St r eamWr i t er = Nothi ng

SaveF i l eDi al og1. F i l te r = "Text f i l es (* . t xt ) | * . tx t"

I f SaveFi l eDi al og1. ShowDi al og( ) = Di al ogResul t . OK Then

Tr y

st r Code = I nputBox(" Ent er Encr ypt i on Code")

I f st r Code = "" Then Exi t Sub ' i f cancel cl i cked

' save text wi t h encr ypt i on scheme

Code = CShort ( st r Code)

char sI nFi l e = t xt Not e. Text . Lengt h

Str eamToWr i t e = My. Comput er . Fi l eSyst em. OpenTextFi l eWr i t er( _

SaveFi l eDi al og1. Fi l eName, Fal se)

For i = 0 To char sI nFi l e - 1

l et ter = t xtNot e. Text. Substr i ng( i , 1)

' convert t o number w/ Asc, t hen use Xor t o encryptSt r eamToWr i t e. Wr i t e( Asc( l et t er) Xor Code) ' and save i n f i l e

' separ ate number s wi t h a space

St r eamToWr i t e. Wr i t e( " ")

Next

mnuCl oseI t em. Enabl ed = True




MsgBox(" An err or occurr ed. " & vbCr Lf & ex. Message)

F i nal l y

I f St r eamToWr i t e I sNot Not hi ng Then

Str eamToWr i t e. Cl ose( )End I f

End Tr y

End I f

Di mAl l Text As St r i ng

Di m i As Short

Di m ch As Char

Di m st rCode As St r i ng

Di m Code, Number As Short

Di m Number s( ) As Str i ng

Di m Decrypt As St r i ng = ""



Tr y ' open f i l e and t r ap any er r or s usi ng handl er

st r Code = I nputBox(" Ent er Encr ypt i on Code")

I f st rCode = "" Then Exi t Sub ' i f cancel cl i cked



Code = CShort ( st r Code)

' r ead encr ypted numbers

Al l Text = My. Comput er. Fi l eSystem. ReadAl l Text ( OpenFi l eDi al og1. Fi l eName)

Al l Text = Al l Text . Tri m ' spl i t numbers i n t o an arr ay based on space

Number s = Al l Text. Spl i t ( " " )

' l oop t hr ough arr ay

For i = 0 To Numbers . Lengt h - 1

Number = CShort ( Number s( i ) ) ' conver t st r i ng t o number

ch = Chr( Number Xor Code) ' convert wi t h Xor

Decrypt = Decrypt & ch ' and bui l d st r i ng

Next

t xtNote. Text = Decr ypt ' t hen di spl ay conver t ed st r i ng

l bl Note. Text = OpenFi l eDi al og1. Fi l eName

t xtNote. Sel ect ( 0, 0) ' remove t ext sel ect i on

t xtNote. Enabl ed = True ' al l ow t ext cur sor

mnuCl oseI t em. Enabl ed = Tr ue ' enabl e Cl ose command

mnuOpenI t em. Enabl ed = Fal se ' di sabl e Open command

Catch ex As Except i onMsgBox(" An err or occur r ed. " & vbCr Lf & ex. Message)

End Tr y

End I f

ch = Chr( Number Xor Code) ' convert wi t h Xor

Decrypt = Decrypt & ch ' and bui l d str i ng



Me. Di al ogResul t = Di al ogResul t . OK

I mpor t s System. I O

Di m St r eamToDi spl ay As St r eamReader

St r eamToDi spl ay = _

New Str eamReader ( "c : \ vb10sbs\ chap14\ l ucky seven hel p\ r eadme. t xt " )

Text Box1. Text = St r eamToDi spl ay. ReadToEnd

Str eamToDi spl ay. Cl ose( )

Text Box1. Sel ect ( 0, 0)



Me. Di al ogResul t = Di al ogResul t . Cancel ' user cl i cked Cancel but t on

My. For ms. Hel pI nfo. ShowDi al og( )

I f Hel pI nf o. Di al ogResul t = Di al ogResul t . OK Then

MsgBox( "The user cl i cked OK" )

El seI f Hel pI nfo. Di al ogResul t = Di al ogResul t . Cancel Then

MsgBox( "The user cl i cked Cancel ")

El se

MsgBox( "Anot her but t on was cl i cked" )

End I f



' Di spl ay t he for m as a modal di al og box

f orm2. ShowDi al og( )



f orm2. Maxi mi zeBox = True

f orm2. Mi ni mi zeBox = True

f orm2. Wi ndowState = For mWi ndowStat e. Mi ni mi zed

Di m FormSi ze As New Si ze( 400, 300)

f orm2. Maxi mumSi ze = For mSi ze



' Decl are new f orm and cont r ol obj ects

Di m f orm2 As New For m

Di m l bl Date As New Label

Di m bt nCancel As New But t on

' Set l abel proper t i es

l bl Date. Text = "Curr ent dat e i s: " & DateStr i ng

l bl Date. Si ze = New Si ze(150, 50)

l bl Dat e. Locati on = New Poi nt( 80, 50)

' Set but t on propert i es

bt nCancel . Text = "Cancel "

btnCancel . Locat i on = New Poi nt( 110, 100)

' Set f orm propert i es

f orm2. Text = "Cur r ent Date"

f orm2. Cancel Butt on = bt nCancelf or m2. St ar t Posi t i on = For mStart Posi t i on. Cent er Scr een

' Add new obj ect s t o Cont r ol s col l ecti on

f or m2. Cont rol s. Add( l bl Dat e)

f orm2. Cont r ol s. Add( btnCancel )

' Di spl ay f or m as a di al og box

f orm2. ShowDi al og( )



Pi ct ureBox1. Dock = DockSt yl e. Top

Text Box1. Anchor = AnchorSt yl es. Bot t om Or _

Anchor St yl es. Lef t Or Anchor Styl es. Ri ght Or _

Anchor Styl es. Top

But t on1. Anchor = AnchorStyl es. Bott omOr _

Anchor Styl es. Ri ght



' Use a gr een br ush col or t o creat e a f i l l ed rect angl e

Di m Br ushCol or As New Sol i dBr ush(Col or. Gr een)

Graphi csFun. Fi l l Rect angl e(BrushCol or, 150, 10, 250, 100)

' Cr eate a bl ue car di nal spl i ne cur ve wi t h four poi nts

Di m Poi nt s( ) As Poi nt = {New Poi nt ( 358, 280) , _

New Poi nt( 300, 320), New Poi nt ( 275, 155), New Poi nt( 350, 180) }

For t ensi on As Si ngl e = 0 To 2. 5 St ep 0. 5

Gr aphi csFun. Dr awCurve(Pens. Dodger Bl ue, Poi nts, t ensi on)

Next



Pi ct ureBox1. Lef t = Pi ct ur eBox1. Lef t + 50

obj ect . Top = vert i cal

Pi ct ureBox1. Top = 150

Pi ct ureBox1. Top = Pi ct ureBox1. Top + 30

Pi ct ureBox1. Lef t = 300

Pi ct ureBox1. Top = 200

obj ect . Locat i on = New Poi nt( hor i zont al , vert i cal )

Pi ct ureBox1. Locat i on = New Poi nt ( 300, 200)



Goi ngUp = True

Ti mer 1. Enabl ed = Tr ue

Di m Goi ngUp As Bool ean ' Goi ngUp st ores curr ent di r ecti on

Goi ngUp = Fal se

Ti mer 1. Enabl ed = Tr ue

I f Goi ngUp = True Then

' move pi ct ure box t oward t he t op

I f Pi ct ureBox1. Top > 10 Then

Pi ct ureBox1. Locati on = New Poi nt _

( Pi ct ur eBox1. Locat i on. X - 10, _

Pi ctureBox1. Locat i on. Y - 10)

End I f

El se

' move pi ct ure box t oward t he bott om

I f Pi ct ureBox1. Top < ( Me. Si ze. Hei ght - 75) Then

Pi ct ureBox1. Locati on = New Poi nt _

( Pi ct ur eBox1. Locat i on. X + 10, _Pi ct ureBox1. Locat i on. Y + 10)

End I f

End I f



I mpor t s Syst em. Dr awi ng. Pri nti ng

' Pri nt usi ng an err or handl er t o cat ch probl ems

Tr y

AddHandl er Pri nt Document 1. Pri ntPage, AddressOf Me. Pri ntGr aphi c

Pri nt Document 1. Pri nt( ) ' pr i nt graphi c

Catch ex As Except i on ' catch pr i nt i ng except i on

MessageBox. Show( "Sorr y-- t her e i s a pr obl em pr i nti ng", ex. ToSt r i ng( ) )

End Try



' Sub for pri nti ng gr aphi c

Pri vat e Sub Pri nt Gr aphi c( ByVal sender As Obj ect, _

ByVal ev As Pr i ntPageEventAr gs)

' Cr eat e t he gr aphi c usi ng Dr awI mage

ev. Gr aphi cs. Dr awI mage(I mage. FromFi l e(Text Box1. Text) , _

ev. Graphi cs. Vi si bl eCl i pBounds)

' Speci f y that t hi s i s the l ast page to pri nt

ev. HasMorePages = Fal se

End Sub



I mpor t s System. I O ' f or Fi l eSt r eamcl ass

I mpor t s Syst em. Dr awi ng. Pri nti ng

Pri vat e Pr i ntPageSett i ngs As New PageSett i ngs

Pri vate St ri ngToPri nt As St ri ng

Pri vate Pr i nt Font As New Font ( "Ari al ", 10)

Di m Fi l ePath As St ri ng

' Di spl ay Open di al og box and sel ect t ext f i l e


OpenFi l eDi al og1. ShowDi al og( )

' I f Cancel butt on not sel ected, l oad Fi l ePat h vari abl e

I f OpenFi l eDi al og1. Fi l eName <> " " Then

Fi l ePath = OpenFi l eDi al og1. Fi l eName

Tr y

' Read t ext f i l e and l oad i nto Ri chText Box1

Di m MyFi l eSt reamAs New Fi l eSt r eam( Fi l ePath, Fi l eMode. Open)

Ri chText Box1. LoadFi l e( MyFi l eSt r eam, _

Ri chTextBoxSt r eamType. Pl ai nText )

MyFi l eSt r eam. Cl ose( )

' I ni t i al i ze s t r i ng to pr i nt

St r i ngToPr i nt = Ri chText Box1. Text

' Enabl e Pri nt but t on

bt nPri nt. Enabl ed = Tr ue


' di spl ay err or messages i f t hey appear

MessageBox. Show( ex. Message)

End Tr y

End I f



Try

' Load page set t i ngs and di spl ay page set up di al og box

PageSetupDi al og1. PageSett i ngs = Pr i nt PageSet t i ngs

PageSetupDi al og1. ShowDi al og( )


' Di spl ay er r or messageMessageBox. Show( ex. Message)

End Try



Me. Facul t yTabl eAdapt er . Fi l l ( Me. Facul t y2010DataSet . Facul t y)



Me. Tabl eAdapt erManager . UpdateAl l ( Me. Facul t y2010DataSet )

Me. Facul t yTabl eAdapt er. Update( Me. Facul t y2010DataSet . Facul t y)



Best Practices for Software EngineeringCode Complete,S dEditi

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