ScrollEvent Class |
Namespace: VO
The ScrollEvent type exposes the following members.
Name | Description | |
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ScrollEvent | Initializes a new instance of the ScrollEvent class |
Name | Description | |
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Handle |
The pointer to the window where the event occurred
(Inherited from Event.) | |
IsWindowScroll |
A logical value indicating whether the scroll bar which generated this ScrollEvent was a window scroll bar or a free-standing scroll bar.
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Message |
A dword representing the Windows API message associated with the given event.
(Inherited from Event.) | |
OldPosition |
A numeric value representing the old position of the thumb in a scroll bar when this ScrollEvent occurred (that is, where the thumb was located before being manipulated by the user).
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Position |
A numeric value representing the desired position of the thumb in a scroll bar when this ScrollEvent occurred (that is, where the user has newly positioned the thumb).
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ScrollBar |
The scroll bar that generated this ScrollEvent.
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ScrollBarID |
The ID of the scroll bar that generated this ScrollEvent.
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TYPE |
A string representing the type of scrolling action that took place when this ScrollEvent occurred.
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Window |
An object indicating the window or control in which the event occurred. This is helpful, for example, for distinguishing between similar menu events coming from the same context menu attached to different controls.
(Inherited from Event.) |
Name | Description | |
---|---|---|
hWnd | (Inherited from Event.) | |
lParam | (Inherited from Event.) | |
oWindow | (Inherited from Event.) | |
uMsg | (Inherited from Event.) | |
wParam | (Inherited from Event.) |
1aScrollEvt:ScrollBar:ThumbPosition := aScrollEvt:Position