3Occurs when the contents of a control have changed.MOccurs when the user presses and then releases a mouse button over an object.oOccurs when the user presses and releases a mouse button and then presses and releases it again over an object.FOccurs when the list portion of the Image Combo is about to drop down.AOccurs when the user presses a key while an object has the focus.BOccurs when the user releases a key while an object has the focus.6Occurs when the user presses and releases an ANSI key.Scrolling constantsStandard ScrollingSmooth ScrollingOrientation constants HorizontalVerticalfReturns/sets a value that determines whether the Progress Bar is displayed vertically or horizontally.yReturns/sets a value that determines whether the control displays progress with a standard segmented bar or a smooth bar.TextPosition constants