For selections, use (in FEFLOW 6.206 and higher):
IfmGetNumberOfSelections
IfmGetSelectionCapacity
IfmFindSelection
IfmCreateSelection
IfmDeleteSelection
IfmGetSelectionName
IfmEnumSelectionItems
IfmSelectionItemIsSet
IfmSetSelectionItem
IfmClearSelectionItem
For (non-expression type) User Data distributions, there are the following API functions:
IfmGetNumberOfNodalRefDistr , IfmGetNumberOfElementalRefDistr , IfmGetNodalRefDistrName , IfmGetElementalRefDistrName , IfmGetNodalRefDistrIdByName , IfmGetElementalRefDistrIdByName , IfmGetNodalRefDistrValue , IfmGetElementalRefDistrValue , IfmSetNodalRefDistrValue , IfmSetElementalRefDistrValue , IfmCreateNodalRefDistr , IfmDeleteNodalRefDistr , IfmDeleteElementalRefDistr , IfmEnableNodalRefDistrRecording , IfmEnableElementalRefDistrRecording , IfmGetNumberOfNodalExprDistr , IfmGetNumberOfElementalExprDistr , IfmGetNodalExprDistrName , IfmGetElementalExprDistrName , IfmGetNodalExprDistrIdByName , IfmGetElementalExprDistrIdByName , IfmGetNodalExprDistrValue , IfmGetElementalExprDistrValue , IfmGetNodalRefDistrValueAtXYSlice , IfmGetNodalRefDistrValueAtXYZ
For expression-based ones, use:
IfmGetNumberOfNodalExprDistr
IfmGetNumberOfElementalExprDistr
IfmGetNodalExprDistrName
IfmGetElementalExprDistrName
IfmGetNodalExprDistrIdByName
IfmGetElementalExprDistrIdByName
IfmGetNodalExprDistrValue
IfmGetElementalExprDistrValue