| Property |
Description |
| Name |
The name of the control. |
| Attributes |
Attributes assigned to Captcha. Click 
button to access the "Add/Edit Captcha Attributes" dialog. |
| Caption |
The name used to refer to the control in an error message. |
| Dictionary |
Characters to be used by Captcha to display validation text. Only
letters and digits are allowed. |
| Font |
Font family to be used for displaying Captcha validation text. |
| Width |
Width of the Captcha area. |
| Height |
Height of the Captcha area. |
| Fragmentation Level |
Fragmentation of characters by dividing them into separate segments. |
| Vertical Amplitude |
Maximum vertical distortion. The degree of distortion will be a random
value between 0 and the specified Veritical amplitude. |
| Horizontal Amplitude |
Maximum horizontal distortion. The degree of distortion will be a random
value between 0 and the specified Horizontal amplitude. |
| Rotation |
Maximum angle by which Captcha characters can be rotated. Each character
will be rotated by a random angle not exceeding the specified value. For
example setting the value to 45° will rotate characters randomly between
-45° and 45° in either direction. 0° value turns off the rotation. |
| Noise Level |
The number of lines drawn in front and around Captcha text. |
| Case sensitivity |
Specifies whether or not Captcha text matching should be case-sensitive. |
| Font Color |
Font color for displaying Captcha validation text. |
| Background Color |
Background color for Captcha validation text. |
| Background Opacity |
The opacity of Captcha background area. The values range from 0
(completely transparent) to 100% (fully opaque). |
| Features |
The list of Ajax features assigned to the control. |
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