Compare page extension properties with page properties
A page extension allows you to overwrite some properties on the page, controls, and actions. However, the list of properties that can be modified is limited.
You can only change the following properties by using a page extension:
AdditionalSearchTerms
Caption
DataCaptionExpression
Description
Editable
InstructionalText
PromotedActionCategories
Only the following field properties can be changed with a page extension:
ApplicationArea
AssistEdit
BlankZero
Caption
CaptionClass
ClosingDates
Description
Enabled
Editable
Visible
Width
HideValue
Importance
ShowCaption
ShowMandatory
QuickEntry
ToolTip
Style
StyleExpr
The following action and actiongroup properties can be changed with a page extension:
Caption
Tooltip
Description
Enabled
Visible
ApplicationArea
Promoted
PromotedIsBig
PromotedOnly
PromotedCategory
ShortcutKey
For more information, see Page, Page Fields, and Page Extension Properties.