Variable Data Type

Prefix

Example

Boolean

bln

blnFull

Byte

byt

bytDaysInMonth

Currency

cur

curPoundsSterling

Date (Time)

dtm

dtmStart

Double

dbl

dblAstronomicalDistances

Integer

int

intNumberOfEmployees

Long

lng

lngProfits

Single

sgl

sgl

String

str

strSurname

User-Defined Type

udt

udtStaffDetails

Variant

vnt

vntChartData

Control Type

Prefix

Example

Animated button

ani

aniEmptying

Check box

chk

chkWriteOnly

Combo box

cbo

cboLanguage

Command button

cmd

cmdCancel

Common Dialog

dlg

dlgSave

Data Contol

dat

datStock

Data-bound Combo

dbcbo

dbcboActicleType

Data-bound Grid

dbgrd

dbgrdStockItems

Data-bound List box

dblst

dblstAccountCodes

Directory list box

dir

dirTarget

Drive list box

drv

drvSource

File list box

fil

filPick

Form

frm

frmMainMenu

Frame

fra

frmPrinters

Graph

gra

graSharePrices

Grid

grd

grdQuantities

Horizontal Scroll Bar

hsb

hsbHueColor

Image

img

imgBitMap

Label

lbl

lblHelpUser

List Box

lst

lstColorCodes

MCI

mci

mciSoundEffects

MDI Child Form

mdi

mdiJuly

Menu

mnu

mnuFileOpen

MS Tab

mst

mstDays

OLE

ole

oleExcel

Picture Box

pic

picMemoryLeft

ProgressBar

prg

prgConverting

Report

rpt

rptEndofYear

RichTextBox

rtf

rtfDiary

Shape

shp

shpSquare

Slider

sld

sldWindSpeed

Spin button

spn

spnTicketsRequired

StatusBar

sta

staInformation

Text Box

txt

txtInputText

Timer

tmr

tmrStartAlarmCount

Vertical Scroll Bar

vsb

vsbRatios