A popup window host, that serves for base class for drop down widgets. Drop down edits consist of an item slot and a drop down button located at the right or at the bottom side, that toggles a popup window. The popup window is usually dynamically populated with relevant information that assists the field editing.
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)