WPF and Silverlight Edition Basic Library / Drop Down / DropDown Features / Drop Down Direction
Drop Down Direction

By default, when the user clicks the C1DropDown control's dropdown arrow at run-time the dropdown will appear below the control, and, if that is not possible, above the control. However, you can customize where you would like the color picker to appear by setting the DropDownDirection property.

To change the drop-down window direction add DropDownDirection="ForceAbove" to the <c1:C1DropDown> tag so that it appears similar to the following:

XAML
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<c1:C1DropDown Height="30" Name="c1DropDown1" Width="100" DropDownDirection="ForceAbove"/>