Using the <i class="emphasis">HtmlInputImage</i> Class

Using the HtmlInputImage Class

This class gives you access to HTML <input type= "image"> elements in server code. Here is the inheritance hierarchy of this class:

Object
   Control
      HtmlControl
         HtmlInputControl
            HtmlInputImage

You can find the notable public properties of HtmlInputImage objects in Table 19.16 and their notable events in Table 19.17. (This class has no non-inherited methods.) Note that as with other HTML server controls, I am not listing the notable properties, methods, and events this class inherits from the Control class; you can find them in Chapter 15, Tables 15.1 to 15.3. This class also inherits the HtmlControl class-you can find that class in Table 19.2-and the HtmlInputControl, which you can find in Table 19.4.

Table 19.16: Noteworthy public properties of *HtmlInputImage* objects.
Property	Means
Align	Gets/sets the input image's alignment with respect to the other HTML elements.
Alt	Gets/sets the input image's alternative text displayed if the image cannot be displayed.
Border	Gets/sets the input image's border width.
CausesValidation	Gets/sets whether this input image performs validation.
Src	Gets/sets the URL of the image.

Table 19.17: Noteworthy public events of *HtmlInputImage* objects.
Event	Means
ServerClick	Occurs when the user clicks an input image control. Handle this event on the server.