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Events


Unit: SDL_colorscale
Class: TColorScale
Declaration: property OnClick: TNotifyEvent;
property OnDblClick: TNotifyEvent;
property OnMouseMove: TMouseMoveEvent;
property OnMouseDown: TMouseEvent;
property OnMouseUp: TMouseEvent;
property OnMouseMoveInScale: TMouseMoveInScaleEvent;
property OnKeyDown: TKeyEvent;
property OnKeyPress: TKeyPressEvent;
property OnKeyUp: TKeyEvent;
property OnMouseWheel;
property OnMouseWheelUp;
property OnMouseWheelDown;

The OnMouseMoveInScale event is triggered when the mouse moves within the area of the color scale control.

The OnClick and the OnDblClick events occur when the user clicks on the component. The OnClick and the OnDblClick events occur when the user clicks on the component. The events OnMouseMove, OnMouseDown, OnMouseUp, OnMouseWheel, OnMouseWheelUp, and OnMouseWheelDown support the handling of the mouse. See the Delphi (C++ Builder) documentation for more details.

Hint: The OnMouseWheel, OnMouseWheelDown, and OnMouseWheelUp events are only received by the component if it has the focus. For example, you could call the method SetFocus in the OnClick event, to ensure that TColorScale has the focus after the user clicked it.


Last Update: 2023-Dec-13