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Event name |
Brief description |
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OnBeginDrag |
The OnBeginDrag event occurs for the component when the user starts to drag an object from the component. |
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OnClick |
The OnClick event occurs if the user clicks the component area. |
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OnControlMove |
The OnControlMove event occurs when a component is moved. |
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OnControlResize |
The OnControlResize event occurs when a component is resized. |
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OnDblClick |
The OnDblClick event occurs if the user double-clicks the component area. |
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OnDragDrop |
The OnDragDrop event occurs for the component, if the user drops the dragged object over it. |
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OnDragEnter |
The OnDragEnter event occurs when a dragged object crosses the borders of this component. |
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OnDragLeave |
The OnDragLeave event occurs when a dragged object leaves the borders of this component. |
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OnDragOver |
The OnDragOver event occurs for the component when the user drags an object over it. |
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OnEnter |
The OnEnter event occurs when the component is focused. |
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OnExit |
The OnExit event occurs when the component loses focus. |
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OnHScroll |
The OnHScroll event occurs when the horizontal scrollbar slider changes its position. |
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OnKeyDown |
The OnKeyDown event occurs if the component is focused and the keyboard key is pressed. |
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OnKeyPress |
The OnKeyPress event occurs if a component is focused when the user presses a character key. |
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OnKeyPreview |
The OnKeyPreview event occurs prior to each event related to key pressing. |
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OnKeyUp |
The OnKeyUp event occurs if the component is focused and the user releases any button previously pressed. |
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OnMouseDown |
The OnMouseDown event occurs when the cursor is in the component area and a mouse button is pressed. |
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OnMouseEnter |
The OnMouseEnter event occurs when mouse cursor enters the component area. |
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OnMouseHover |
The OnMouseHover event occurs when mouse cursor hovers over the component area. |
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OnMouseLeave |
The OnMouseLeave event occurs when mouse cursor leaves the component area. |
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OnMouseMove |
The OnMouseMove event occurs when the cursor is moved over the component. |
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OnMouseUp |
The OnMouseUp event occurs when the mouse button is released and the cursor is in the component area. |
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OnMouseWheel |
The OnMouseWheel event occurs if the component is focused on scrolling the mouse wheel. |
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OnVScroll |
The OnVScroll event occurs when the vertical scrollbar slider changes its position. |