//BUG// ---------------- BUG REPORT - LOOK AT THIS CASCADED IF/ELSE BLOCK ----------------

if (heightByCoordinate_RButton.IsChecked == true)     //BUG// ............ CONDITION IS TRUE
    inputParams.heightType = HeightType.WaterDepth;   //BUG// ............ call of this line (correct)
else
    if (overGround_RButton.IsChecked == true)
        inputParams.heightType = HeightType.HeightOverGround_byCoordinate;
    else
        if (overGroundStatic_RButton.IsChecked == true)
            inputParams.heightType = HeightType.HeightOverGround_const;
        else
            throw new Exception("This line call is not allowed after TRUE conditions");  //BUG// .... CALL OF THIS "ELSE" LINE (bad, because it shouldn't be touched)