Occurs before a component displays a drop-down window.
Declaration
OnPopup(Sender)
Parameters
| Sender | [in] | Required | Object |
Applies To
The event applies to the following components:
TcxCalcEdit, TcxComboBox, TcxDateEdit, TcxMRUEdit
Description
The TcxCalcEdit, TcxDateEdit and TcxMRUEdit components use the drop-down window to let users specify the desired value. The OnPopup event occurs when the window is about to be opened. Write an OnPopup event handler to perform specific actions before the drop-down window becomes visible.
Parameters
The event has the following parameter:
Sender
Contains a reference to the user form component that has raised the event.
Remarks
When the drop-down window is about to be displayed, events occur in the following order:
OnInitPopupOnPopup
See Also
Handling Events in User Forms
OnCloseUp Event
OnInitPopup Event
OnButtonClick Event