What registry class are you using? The one that comes with VFP supports only string values. You can download registry class that supports other value typeps from http://west-wind.com/wwvfppd.htm.

>here is the code i use to set the Scancode Map value in the registry.
>this code doesn't creat a byte type. But when i put the value directly in the registry it works well.
>So why this code doen't give a byte type but a string type ?
>
>***************
>
>#DEFINE HKEY_LOCAL_MACHINE -2147483646 && BITSET(0,31)+2
>#INCLUDE registry.h
>oReg = NEWOBJECT("registry", "registry")
>
>lc_Value = Str2Byte('00000000000000000300000000005BE000005CE000000000')
>oReg.SetRegKey("Scancode Map",lc_Value,;
> "System\CurrentControlSet\Control\Keyboard Layout",;
> HKEY_LOCAL_MACHINE,.t.)
>
>FUNCTION Str2Byte(tn_String)
> LOCAL lc_Hex, lc_Result
> lc_Result = ''
> DO while (len(tn_String) > 0)
> lc_Hex = '0x' + left(tn_String,2)
> lc_Result = lc_Result + chr(val(lc_Hex))
> tn_String = alltrim(substr(tn_String, 3))
> ENDDO
> RETURN lc_Result