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

# TCustomTrayIcon.OnMouseDown

Event handler if mouse button is pressed down

## Declaration

Source position: extctrls.pp line 1195

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

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