Each type of control has a default prefix for its name. Table 12-1 lists the initial default prefix for each control (note that there is no prefix for a window).
Control  | 
Prefix  | 
|---|---|
Animation  | 
am_  | 
CheckBox  | 
cbx_  | 
CommandButton  | 
cb_  | 
DataWindow  | 
dw_  | 
DatePicker  | 
dp_  | 
DropDownListBox  | 
ddlb_  | 
DropDownPictureListBox  | 
ddplb_  | 
EditMask  | 
em_  | 
Graph  | 
gr_  | 
GroupBox  | 
gb_  | 
HProgressBar  | 
hpb_  | 
HScrollBar  | 
hsb_  | 
HTrackBar  | 
htb_  | 
InkEdit  | 
ie_  | 
InkPicture  | 
ip_  | 
Line  | 
ln_  | 
ListBox  | 
lb_  | 
ListView  | 
lv_  | 
MonthCalendar  | 
mc_  | 
MultiLineEdit  | 
mle_  | 
OLE 2.0  | 
ole_  | 
Oval  | 
ov_  | 
Picture  | 
p_  | 
PictureHyperLink  | 
phl_  | 
PictureButton  | 
pb_  | 
PictureListBox  | 
plb_  | 
RadioButton  | 
rb_  | 
Rectangle  | 
r_  | 
RichTextEdit  | 
rte_  | 
RoundRectangle  | 
rr_  | 
SingleLineEdit  | 
sle_  | 
StaticText  | 
st_  | 
StaticHyperLink  | 
shl_  | 
Tab  | 
tab_  | 
TreeView  | 
tv_  | 
User Object  | 
uo_  | 
VProgressBar  | 
vpb_  | 
VScrollBar  | 
vsb_  | 
VTrackBar  | 
vtb_  |