TCustomHeaderControl.OnSectionClick property
Event handler signalled when a mouse click event occurs in a section header on the control.
Declaration
property OnSectionClick: TCustomSectionNotifyEvent read FOnSectionClick write FOnSectionClick;Description
OnSectionClick is a
TCustomSectionNotifyEvent property
with the event handler signalled when a mouse click is handled for the header
control. It is signalled (when assigned) from the SectionClick method using
the THeaderSection instance where the mouse click occurred as an argument to
the handler routine. On SectionClick is not signalled if the mouse click was on
an unused part of the header control not covered by a header section.
See also
An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.