Is it possible to change the graphics for the down arrow in a drop-down control without creating a custom control? I need all the normal properties, I just need to erase the arrow a bit.
You can easily use custom graphics for any form element using javascript and CSS, see examples:
http://ryanfait.com/resources/custom-checkboxes-and-radio-buttons/
http://www.noupe.com/css/form-elements-40-cssjs-styling-and-functionality-techniques.html
http://www.noupe.com/css/47-excellent-ajax-css-forms.html
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There are third-party controls that can help you with this.