| [Overview][Constants][Types][Classes][Procedures and functions][Index] |
Handler invoked when the list has dropped down.
Source position: stdctrls.pp line 399
protected property TCustomComboBox.OnDropDown : TNotifyEvent |
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.
|
Controls the appearance and behavior for the combo-box. |
|
|
Signals the OnDropDown event handler. |
|
| Version 3.2 | Generated 2024-02-25 | Home |