Object field used with the advanced search picker.
| singleLineHeight | Default line height used to render the object field control. | 
| objectType | Type of the object to be selected. | 
| searchContext | Search query context used to populate the object picker. | 
| searchViewFlags | Search flags used to open the search picker window. | 
| ObjectField | Construct an advanced search field UITK control. | 
| SetValueWithoutNotify | Set the object field selected objects. | 
| DoObjectField | Draw an IMGUI advanced object field. |