This is a list of Visual Basic control and object prefixes provided as a reference for consistent use of Hungarian Notation. This list will assist in standardizing the structure, coding style and logic of an application.
Object |
Prefix |
Example |
|---|---|---|
Form |
frm |
frmFileOpen |
Check box |
chk |
ReadOnly |
Combo box |
cbo |
cboEnglish |
Data-bound combo box |
dbc |
dbcEnglish |
Command button |
cmd |
cmdCancel |
Data |
dat |
datBiblio |
Directory list box |
dir |
dirSource |
Drive list box |
drv |
drvTarget |
File list box |
fil |
filSource |
Frame |
fra |
fraLanguage |
Grid |
grd |
grdPrices |
Data-bound grid |
dbg |
dbgPrices |
Horizontal scroll bar |
hsb |
hsbVolume |
Image |
img |
imgIcon |
Label |
lbl |
lblHelpMessage |
Line |
lin |
linVertical |
List box |
lst |
lstPolicyCodes |
Data-bound list box |
dbl |
dblPolicyCode |
Menu |
mnu |
mnuFileOpen |
OLE container |
ole |
oleObject1 |
Option button |
opt |
optFrench |
Picture box |
pic |
picDiskSpace |
Shape |
shp |
shpCircle |
Text box |
txt |
txtGetText |
Timer |
tmr |
tmrAlarm |
Object |
Prefix |
Example |
|---|---|---|
Vertical scroll bar |
vsb |
vsbRate |
Animation button |
ani |
aniMailBox |
bed |
Pen |
Bedit |
bedFirstName |
||
Checkbox |
chk |
chkReadOnly |
Picture clip |
clp |
clpToolbar |
Communications |
com |
comFax |
Control |
ctl |
ctrCurrent |
Data control |
dat |
datBiblioDirectory |
Directory list box |
dir |
dirSource |
Common dialog ctrl |
dlg |
drvTarget |
File list box |
fil |
filSource |
Form |
frm |
frmEntry |
Frame (3d) |
fra |
fraStyle |
Gauge |
gau |
gauStatus |
Group push button |
gpb |
gpbChannel |
Graph |
gra |
graRevenue |
Grid |
grd |
grdPrices |
Pen Hedit |
hed |
hedSignature |
Horizontalscrollbar |
hsb |
hsbVolume |
Image |
img |
imgIcon |
Pen Ink |
ink |
inkMap |
Keyboard key status |
key |
keyCaps |
Label |
lbl |
lblHelpMessage |
Line |
lin |
linVertical |
MDI child form |
mdi |
mdiNote |
MAPI message |
mpm |
mpmSentMessage |
MAPI session |
mps |
mpsSession |
MCI |
mci |
mciVideo |
Menu |
mnu |
mnuFileOpen |
Object |
obj |
objUserTable |
Option Button (3d) |
opt |
optRed |
Outline control |
out |
outOrgChart |
3d Panel |
pnl (3d) |
pnlTitleList |
Report control |
rpt |
rptQtr1Earnings |
Shape controls |
shp |
shpCircle |
Spin control |
spn |
spnPages |
Timer |
tmr |
tmrAlarm |
Vertical scroll bar |
vsb |
vsbRate |
Database Objects |
Prefix |
Example |
|---|---|---|
ODBC Database |
db |
dbAccounts |
ODBC Dynaset object |
dyn |
dynSalesByRegion |
Field collection |
fld |
fldCustomer |
Field object |
fld |
fldAddress |
Form |
frm |
frmNewUser |
Index object |
idx |
idxAge |
Index collection |
idx |
idxNewAge |
Macro |
mcr |
mcrCollectUsers |
QueryDef object |
qry |
qrySalesByRegion |
Query |
qry |
qrySalesByRegion |
Report |
rpt |
rptAnnualSales |
Snapshot object |
snp |
snpForecast |
Table object |
tbl |
tblCustomer |
TableDef object |
tbd |
tbdCustomers |
The following table lists standard third-party vendor name prefix characters to be used with control prefixes:
Vendor |
Abbreviation |
|---|---|
MicroHelp (VBTools) |
m |
Pioneer Software Q+E Database |
p |
Crescent Software |
c |
Sheridan Software |
s |
Other (miscellaneous) |
o |
Objects |
Prefix |
Example |
|---|---|---|
Alarm(Microhelp) |
almm |
almmAlarm |
Animate(Microhelp) |
anim |
animAnimate |
Callback(Microhelp) |
calm |
callback |
Combo Box(Pioneer) |
cbop |
cbopComboBox |
Combo Box(Sheridan) |
cbos |
cbosComboBox |
DB_Check(Pioneer) |
chkp |
chkpCheckBox |
chart(Microhelp) |
tm |
tmChart |
Clock(Microhelp) |
clkm |
clkmClock |
Command Button(Microhelp) |
cmdm |
cmdmCommandButton |
DB_Command(Pioneer) |
cmdp |
cmdpCommandButton |
Command Button(Group)(Microhelp) |
cmgm |
cmgmBtton |
Command Button (icon) (Microhelp) |
cmim |
cmimCommandButton |
CardDeck(Microhelp) |
crdm |
crdmCard |
Dice(Microhelp) |
dicm |
dicmDice |
SSDir(Sheridan) |
dirs |
dirsDirList |
SSDrive(Sheridan) |
drvs |
drvsDriveList |
File List(Microhelp) |
film |
filmFileList |
SSFile(Sheridan) |
fils |
filsFileList |
Flip(Microhelp) |
flpm |
flpmButton |
Form Scroll(Microhelp) |
fsrm |
fsrmFormScroll |
Gauge(Microhelp) |
gagm |
gagmGauge |
Graph(Other) |
gpho |
gphoGraph |
Q_Grid(Pioneer) |
grdp |
grdpGrid |
Horizontal Scroll Bar(Microhelp) |
hsbm |
hsbmScroll |
DB_Hscroll(Pioneer) |
hsbp |
hsbpScroll |
Histo(Microhelp) |
hstm |
hstmHistograph |
Invisible(Microhelp) |
invm |
invmInvisible |
Icon Tag(Microhelp) |
itgm |
itgmListBox |
Key State(Microhelp |
kstm |
kstmKeyState |
Label (3d) (Microhelp) |
lblm |
lblmLabel |
Line(Microhelp) |
linm |
linmLine |
DB_List(Pioneer) |
lstp |
lstpListBox |
SSList(Sheridan) |
lsts |
lstsListBox |
MDI Control(Microhelp) |
mdcm |
mdcmMDIChild |
SSMenu(Sheridan) |
mnus |
mnusMenu |
Marque(Microhelp) |
mrqm |
mrqmMarque |
OddPic(Microhelp) |
odpm |
odpmPicture |
Picture(Microhelp) |
picm |
picmPicture |
DB_Picture(Pioneer) |
picp |
picpPicture |
Property Vwr(Microhelp) |
pvrm |
vrmPropertyViewer |
DB_RadioGroup(Group)(Pioneer) |
radp |
radqRadioGroup |
Slider(Microhelp) |
sldm |
sldmSlider |
Spinner(Microhelp) |
spnm |
spnmSpinner |
Spreadsheet(Microhelp) |
sprm |
sprmSpreadsheet |
Stretcher(Microhelp) |
strm |
strmStretcher |
Screen Saver(Microhelp) |
svrm |
svrmSaver |
Switcher(Microhelp) |
swtm |
swtmSwitcher |
Tag(Microhelp) |
tagm |
tagmListBox |
Timer(Microhelp) |
tmrm |
tmrmTimer |
ToolBar(Microhelp) |
tolm |
tolmToolBar |
Tree(Microhelp) |
trem |
tremTree |
Input(Microhelp) (Text) |
txtm |
inpmText |
DB_Text(Microhelp) |
txtp |
txtpText |
Vertical Scroll Bar(Microhelp) |
vsbm |
vsbmScroll |
DB_VScroll(Pioneer) |
vsbp |
vsbpScroll |
The base list can also be found in the Programmers Guide under the Object Naming Conventions Section.
Additional query words: kbVBp500 kbVBp600 kbdse kbDSupport kbVBp
Keywords : kbGrpVBDB
Version : WINDOWS:4.0,6.0
Platform : WINDOWS
Issue type : kbinfo
Technology :
Last
Reviewed: January 5, 2000
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2000 Microsoft Corporation. All rights reserved. Terms of Use.