Possible enumeration values:

NameValueDescription
Button

9

Checkbox

12

DropDownList

6

DropDownListDict

19

File

5

FileForDirFile

18

FormSelf

1

Image

4

ImageForDirFile

17

ImageForInputform

15

ImageForPageUrl

13

ImageForUrlCol

16

Label

2

Line

7

LinkButton

10

RadioGroup

11

ResTable

8

Textbox

3

TextboxInPrint

14

Unknown

0