FieldType
Defines the type of an  IField in addition to  FieldCategory.
            
                
Boolean = 4
Yes/No field.
            
Code = 6
Single Choice field.
            
Currency = 8
Currency field.
            
Date = 3
Date field.
            
Decimal = 7
Decimal field.
            
Empty = 0
Empty field.
            
File = 10
File field.
            
Integer = 2
Whole number field.
            
LayoutText = 13
Layout text field.
            
MultiCode = 9
Multiple choice field.
            
Object = 11
Single Object field.
            
Objects = 14
Multiple Object field.
            
OffTableText = 15
Off Table text field.
            
Text = 5
Long-Text field.
            
User = 12
User field.
            
Varchar = 1
Fixed-Length text field.