TCustomComboBox.OnDropDown property
Handler invoked when the list has dropped down.
Declaration
property OnDropDown: TNotifyEvent read FOnDropDown write FOnDropDown;Description
OnDropDown is a
TNotifyEvent property with the event
handler signalled when the drop-down list for the control is displayed.
OnDropDown is signalled (when assigned) from the
DropDown method.
DropDown is called when the
CBN_DROPDOWN message is handled for the
control.
Implement and assign an object procedure to the handler to respond to the event notification.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.