[Overview][Types][Classes][Procedures and functions][Index] Reference for unit 'ExtCtrls' (#lcl)

TCustomTrayIcon.OnMouseDown

Event handler signalled when a mouse button down event is detected for the tray icon.

Declaration

Source position: extctrls.pp line 1472

public property TCustomTrayIcon.OnMouseDown : TMouseEvent
  read FOnMouseDown
  write FOnMouseDown;

Description

OnMouseDown is a TMouseEvent property with the event handler signalled when a mouse button down event is detected for the tray icon. Arguments passed to the event handler identify:

Sender
The object for the event notification.
Button
The mouse button for the event.
Shift
The state for the Shift / Ctrl / Alt keys.
X and Y
The current coordinates for the mouse pointer.

An application must implement and assign an object procedure using the signature for the event handler to respond to the notification.

Use OnMouseUp to respond to the mouse up event for a mouse button.

See also

TCustomTrayIcon.OnMouseUp

  

Event handler signalled when a mouse button up event is detected for the tray icon.

TMouseEvent

  

Specifies an event handler used to respond to mouse button events.

TMouseButton

  

Enumeration with values for logical mouse buttons.

TShiftState
Version 4.0 Generated 2025-05-03 Home