Update Gadget flags during runtime

RJP Computing · Post by **RJP Computing** » Wed Jun 11, 2003 2:22 am

How do you update gadget flags after creating them? During runtime. Any examples would be helpful.

Thanks

Tranquil · Post by **Tranquil** » Wed Jun 11, 2003 4:25 am

Which flags do you mean? Some Flags/ States can be set by PureBasic, others must be set by Windows API (eg SendMessage_())

Mike

RJP Computing · Post by **RJP Computing** » Wed Jun 11, 2003 4:37 am

Something to this effect, If I want to change if the explorerlistgadget has the grid lines showing or not. Things you would find in options for a program that control the look and feel of the gadgets.

Thanks

Post by **freak** » Wed Jun 11, 2003 11:59 am

Most Flags, that affect the visual style of the Gadget can be changed using
the Windows API. You need to know the WindowsAPI Constant for that
style, and if it is a n extended style or not.

Here is an example for Gridlines:

Code: Select all

ExStyle.l = GetWindowLong_(GadgetID(#Gadget), #GWL_EXSTYLE)

; To enable Gridlines
ExStyle = ExStyle | #LVS_EX_GRIDLINES 

; To disable Gridlines
;ExStyle = ExStyle & (~#LVS_EX_GRIDLINES)

SetWindowLong_(GadgetID(#Gadget), #GWL_EXSTYLE, Ex_Style)

(This works for ListIconGadget and ExplorerListGadget.)

More ExStyles for these Gadgets:
#LVS_EX_FULLROWSELECT
#LVS_EX_HEADERDRAGDROP

#LVS_SHOWSELALWAYS (this is a normal window style, use #GWL_STYLE
at GEtWindowLong/SetWindowLong to change that.

The Flags, that affect the stuff the Gadget does (like #PB_Explorer_NoFiles)
can't be changed on runtime for now. Maybe thewe will come a command
for that in future versions.

Timo