DllCall and "Double" data type

[Kram3r 0]

Hi ! I'm trying to do an UDF for RMChart Dll. RMChart is freeware and makes really good

looking charts. (http://www.rmchart.com/)

I've a function on this dll thats requires the Double data type for two of its arguments,

is there any work around to use this function since DllCall not allow double type ?

THKZ

Func _RMC_AddDataAxis($nCtrlId,$nRegion,$nAlignment=0,$nMinvalue=0,$nMaxvalue=0, _
    $nTickcount=0,$nFontsize=0,$nTextcolor=0,$nLinecolor=0, $nLinestyle=0 , _
    $nDecimalDigits=0,$sUnit="",$sText="",$sLabels="",$nLabelAlignment=0)


$hdll = DllOpen("rmchart.dll")

$return=dllcall($hdll,"long","RMC_ADDDATAAXIS","long",$nCtrlId,"long", _
        $nRegion,"long",$nAlignment,"double",$nMinvalue,"double",$nMaxvalue, _
        "long", $nTickcount,"long",$nFontsize,"long",$nTextcolor,"long",$nLinecolor, _
        "long",$nLinestyle,"long",$nDecimalDigits,"str",$sUnit ,"str",$sText, _
        "str",$sLabels,"long",$nLabelAlignment)


#cs 
nResult (LONG) = RMC_AddDataAxis(
ByVal nCtrlId (LONG),
ByVal nRegion (LONG),
Optional ByVal nAlignment (LONG),
Optional ByVal nMinvalue (DOUBLE),
Optional ByVal nMaxvalue (DOUBLE),
Optional ByVal nTickcount (LONG),
Optional ByVal nFontsize (LONG),
Optional ByVal nTextcolor (LONG),
Optional ByVal nLinecolor (LONG),
Optional ByVal nLinestyle (LONG),
Optional ByVal nDecimalDigits (LONG),
Optional ByRef sUnit (ASCIIZ),
Optional ByRef sText (ASCIIZ),
Optional ByRef sLabels (ASCCIZ),
Optional ByRef nLabelAlignment (LONG)
)
#ce
;DllClose($hdll) ->make script hang in the 2 other calls of RMChart.dll
EndFunc

Edited September 4, 2007 by Kram3r

[martin 79]

Hi ! I'm trying to do an UDF for RMChart Dll. RMChart is freeware and makes really good

looking charts.

I've a function on this dll thats requires the Double data type for two of its arguments,

is there any work around to use this function since DllCall not allow double type ?

THKZ

Func _RMC_AddDataAxis($nCtrlId,$nRegion,$nAlignment=0,$nMinvalue=0,$nMaxvalue=0, _
    $nTickcount=0,$nFontsize=0,$nTextcolor=0,$nLinecolor=0, $nLinestyle=0 , _
    $nDecimalDigits=0,$sUnit="",$sText="",$sLabels="",$nLabelAlignment=0)
$hdll = DllOpen("rmchart.dll")

$return=dllcall($hdll,"long","RMC_ADDDATAAXIS","long",$nCtrlId,"long", _
        $nRegion,"long",$nAlignment,"double",$nMinvalue,"double",$nMaxvalue, _
        "long", $nTickcount,"long",$nFontsize,"long",$nTextcolor,"long",$nLinecolor, _
        "long",$nLinestyle,"long",$nDecimalDigits,"str",$sUnit ,"str",$sText, _
        "str",$sLabels,"long",$nLabelAlignment)
#cs 
nResult (LONG) = RMC_AddDataAxis(
ByVal nCtrlId (LONG),
ByVal nRegion (LONG),
Optional ByVal nAlignment (LONG),
Optional ByVal nMinvalue (DOUBLE),
Optional ByVal nMaxvalue (DOUBLE),
Optional ByVal nTickcount (LONG),
Optional ByVal nFontsize (LONG),
Optional ByVal nTextcolor (LONG),
Optional ByVal nLinecolor (LONG),
Optional ByVal nLinestyle (LONG),
Optional ByVal nDecimalDigits (LONG),
Optional ByRef sUnit (ASCIIZ),
Optional ByRef sText (ASCIIZ),
Optional ByRef sLabels (ASCCIZ),
Optional ByRef nLabelAlignment (LONG)
)
#ce
;DllClose($hdll) ->make script hang in the 2 other calls of RMChart.dll
EndFunc

Not sure but have you tried "int"?

[Kram3r 0]

I do now martin, thks for the tip, but still no luck.

Double type have 8 bytes, i think the problem lies there.

I think i have no others errors on dll call.

[Zedna 243]

In DllStructCreate() is "int64" and "double" type but in DllCall it's really missing.

So maybe this should be in "AutoIt Feature Requests" forum

[Kram3r 0]

No workaround then , thats too bad.

I will post in features request, maybe i get lucky.

tnks zedna.