With the help of Winium.Elements you could simplify interaction with such complex elements like DataGrid, ComboBox, Menu and etc.
'com.github.2gis.winium:winium-elements-desktop:0.2.0-1'
<dependency>
<groupId>com.github.2gis.winium</groupId>
<artifactId>winium-elements-desktop</artifactId>
<version>0.2.0-1</version>
</dependency>
<dependency org="com.github.2gis.winium" name="winium-elements-desktop" rev="0.2.0-1"/>
"com.github.2gis.winium", "winium-elements-desktop", "0.2.0-1"