When you are dragging and dropping the RibbonControlAdv to Form, the top of the RibbonControlAdv contains empty spaces with RibbonDisplayOptionButton by default. The empty spaces of the RibbonControlAdv can be hidden by reducing the Top bounds in RibbonControlAdv.
The following code example demonstrates the same.
Figure 1: Before reducing empty space in RibbonControlAdv
Figure 2: After reducing the empty space in RibbonControlAdv
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