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Draw Behaviour in a Combo Box

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29384 May 24,2005 01:31 PM May 25,2005 04:57 PM Windows Forms 3
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Nick Zdunic
Asked On May 24, 2005 01:31 PM

Is there a way to modify the drawing behaviour in a combo box. The items when dropped down should be drawn as is. The selected item needs to drawn a differently (i.e. surrounding white space needs to removed). Can be done in a grid combo. How about just the combo box and which one.

Administrator [Syncfusion]
Replied On May 24, 2005 02:20 PM

Hi Nick, ComboBoxBase allows you to attach any ListControl to it. So to customize the dropdown, all you have to do is create your own ListControl or extend an existing one and add the rendering support you desire. Regards, Gregory Austin Syncfusion Inc.

Nick Zdunic
Replied On May 25, 2005 01:45 AM

I don''t want to modify how the Drop Down items are rendered, just the text box item. The drop down shows a hierarchy of items with spaces to indicate nesting. When an item is selected then the textbox should display the item without the leading spaces. It doesn''t seen clear to me that this rendering can be done in the textbox. >Hi Nick, > > ComboBoxBase allows you to attach any ListControl to it. So to customize the dropdown, all you have to do is create your own ListControl or extend an existing one and add the rendering support you desire. > >Regards, >Gregory Austin >Syncfusion Inc.

Administrator [Syncfusion]
Replied On May 25, 2005 04:57 PM

Hi Nick, Instead of adding the leading spaces to your items, I would recommend customizing your dropdown to render the added space itself. That way, when the item is selected, the textbox will not require any custom rendering. Regards, Gregory Austin Syncfusion Inc.

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