On Tue, 2013-10-29 at 13:38 +0100, Charlie Reinl wrote:
> Am Dienstag, den 29.10.2013, 13:57 +1030 schrieb Bruce:
> > I have a need to detect if a particular Slot exists in the .config
> > file for an application. Just the Slot not whether any value lines exist
> > under it.
> >
> > There doesn't seem to be a way to do this via gb.settings? I have tried
> > using
> >
> > If Settings.Keys["Filter"] then
> >
> > but this seems always to be true. Similarly
> >
> > If Settings["Filter"] then
> >
> > always seems to be false.
> >
> > So is there a way to find out if a Slot does exist?
> >
> > ---- more info -----
> > The problem is that the value lines depend on about 8 text boxes set or
> > cleared by the user. If one or more of the text boxes are empty then
> > that value line will not appear under the [Filter] slot. So I can't
> > detect the existence of the slot by detecting a particular value line.
> > In fact if they clear all the filter strings then that whole slot will
> > disappear.
> >
> > Thus I need to check if the slot exists, so then I could
> > If Settings.Exist["Filter"] then
> > GetFilterSettings
> > Else
> > SetDefaultFilter
> > Endif
> >
>
> Salut Bruce,
>
> Settings.Read (gb.settings)
> Sub Read ( hObject As Object [ , sKey As String, vDefault As Variant ] )
>
> Settings("Filter", GetFilterSettings, SetDefaultFilter)
>
> or
>
> Public Function KeyExists(objSetting As Settings, sFindKey As String) As
> Boolean
> Dim sKey As String
> Dim bRet As Boolean
> bRet = False
> For Each sKey In objSetting.Keys
> If sKey = sFindKey Then
> bRet = True
> Break
> Endif
> Next
> Return bRet
> End
>
>
>
Hmm. You second idea works, but I was trying to avoid that as I will be
calling it multiple times, at least once for each filter item that gets
defined.
But it might be better than the messy solution I just posted back to
Tobi.
--
Bruce <bbr...@paddys-hill.net>
Paddys-Hill dot net
------------------------------------------------------------------------------
Android is increasing in popularity, but the open development platform that
developers love is also attractive to malware creators. Download this white
paper to learn more about secure code signing practices that can help keep
Android apps secure.
http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk
_______________________________________________
Gambas-user mailing list
Gambas-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/gambas-user
