VB Codes

CLICK THE REMOVE BUTTON TO DELETE THE ITEMS

DOUBLE-CLICK TO TRANSFER FROM LIST BOX TO ANOTHER LIST BOX

DISPLAYING THE ITEMS IN THE LIST BOX AND SHOWING THE DESCRIPTION IN A TEXT BOX

USE OF OPERATORS – GETTING THE DISCOUNT

COMMONLY USED FUNCTIONS ,[object Object]

STRING FUNCTIONS ,[object Object],Syntax: Len(string) Example: Name=“Monica” Result=Len(Name) Output: 6

STRING FUNCTIONS ,[object Object],Syntax: Left(string, length) Example: Message=“Hello there” Result=Left(Message,5) Output: Hello

STRING FUNCTIONS ,[object Object],Syntax: Right(string, length) Example: Message=“Hello there” Result=Right(Message,5) Output: there

STRING FUNCTIONS ,[object Object],Syntax: Mid(string, starting position, length)

STRING FUNCTIONS Example: Message=“Patience is a virtue” Result=Mid(Message,15,6) Output: virtue

STRING FUNCTIONS ,[object Object],Syntax: UCase(string) Example: Warning=“Wet Floor” Result=UCase(Warning) Output: WET FLOOR

STRING FUNCTIONS ,[object Object],Syntax: LCase(string) Example: Warning=“Wet Floor” Result=LCase(Warning) Output: wet floor

STRING FUNCTIONS ,[object Object],Syntax: Val(string) Example: Num = five Result=Val(Num) Output: 5

COMMONLY USED FUNCTIONS 2. Date Functions – commands used to set the date and time.

DATE FUNCTIONS ,[object Object],Syntax: Date() Example: Dim Cur_Date as String Cur_Date = Date() Output: 07/10/1978

DATE FUNCTIONS ,[object Object],Syntax: Time() Example: Dim Cur_Time as String Cur_Time = Time() Output: 2:08:34 PM

DATE FUNCTIONS ,[object Object],Syntax: Now() Example: lbl2.caption = Now() Output: 11/30/2003 8:30:23 PM

DATE FUNCTIONS ,[object Object],Syntax: Format(string, specified format)

DATE FUNCTIONS Example: Dim Cur_Date as Date lbl2.caption=Format(Cur_Date, “ yyyy-mm-dd”) Output: 2009-05-14

COMMONLY USED FUNCTIONS 3. Number Functions – used to change looks of a value.

NUMBER FUNCTIONS ,[object Object],Syntax: Format(string, specified format)

NUMBER FUNCTIONS Example: Dim Result as Single Result = 245.6 lbl2.caption=Format(Result,”0000.00”) lbl2.caption=Format(Result,”$00.00”) Output: 0245.60 $24.60

COMMONLY USED FUNCTIONS 4. Input/Output Functions – commands used for accepting user information.

INPUT/OUTPUT FUNCTIONS ,[object Object],Syntax: variable=InputBox(“Prompt”,Title, Default_text, x-position, y-position)

INPUT/OUTPUT FUNCTIONS Example: Dim Add as String Add=InputBox(“What is your Address?”, Add, ”Type here”, 900, 1000) Output:

INPUT/OUTPUT FUNCTIONS ,[object Object],Syntax: variable=MsgBox(“Prompt”, Style Value, Title)

INPUT/OUTPUT FUNCTIONS Example: Dim Data as String Data=MsgBox(“Password accepted”, 0 ” Accepting”) Output:

Style Value Named Constant 0 vbOK 1 vbOKCancel 2 vbAbortRetryIgnore 3 vbYesNoCancel 4 vbYesNo 5 vbRetryCancel MESSAGE BOX STYLE VALUES

CODES ICONS 16 vbCRITICAL 32 vbQUESTION 48 vbEXCLAMATION 64 vbINFORMATION MESSAGE BOX ICONS

VB Codes

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