Example: "MOSI Channel,2,1,1,true,true"
GetStrList() syntax: Label,chanselect,default value, min,max,showinvert,showdisable
default: a 64bit mask for the default channel selection
min: minimum number of channels the user is allowed to select (> 0)
max: maximum number of channels the user is allowed to select (<= #Channels)
showinvert: 1,true, or yes => show the invert option else hide it
showdisable: 1,true, or yes => show the disable option else hide it
SetCfgItem() values:
subID 0: flags.
Bit 0 is the INVERT status (1 => checked)
Bit 1 is the DISABLE status (1 => checked)
subID 1: Lower Int32 of the selection mask
subID 2: Upper Int32 of the selection mask
