property Grid.HeaderAppearance as AppearanceEnum
Retrieves or sets a value that indicates the header's appearance.

TypeDescription
AppearanceEnum A boolean expression that specifies the appearance of the columns header.

Use the HeaderAppearance property to define the appearance of the columns header bar. The user can't resize the columns at runtime, if the HeaderAppearance property is None2. Use the ColumnsAllowSizing property to allow resizing the columns, when the control's header bar is not visible.  Use the Appearance property to define the control's appearance. Use the HeaderVisible property to hide the control's header bar.