IScrollInfo 接口 |
It exposes scrolling properties, methods for logical scrolling, computing
which children are visible, and measuring/drawing/offsetting/clipping content.
命名空间： CPF.Controls
程序集： CPF (在 CPF.dll 中) 版本：0.8.8.5
语法C#
public interface IScrollInfo
IScrollInfo 类型公开以下成员。
属性| 名称 | 说明 | |
|---|---|---|
 | CanHorizontallyScroll |
This property indicates to the IScrollInfo whether or not it can scroll in the horizontal given dimension.
|
| CanVerticallyScroll |
This property indicates to the IScrollInfo whether or not it can scroll in the vertical given dimension.
|
| ExtentHeight |
ExtentHeight contains the full vertical range of the scrolled content.
|
| ExtentWidth |
ExtentWidth contains the full horizontal range of the scrolled content.
|
| HorizontalOffset |
HorizontalOffset is the horizontal offset into the scrolled content that represents the first unit visible.
|
| ScrollOwner |
ScrollOwner is the container that controls any scrollbars, headers, etc... that are dependant
on this IScrollInfo's properties. Implementers of IScrollInfo should call InvalidateScrollInfo()
on this object when properties change.
|
| VerticalOffset |
VerticalOffset is the vertical offset into the scrolled content that represents the first unit visible.
|
| ViewportHeight |
ViewportHeight contains the currently visible vertical range of the scrolled content.
|
| ViewportWidth |
ViewportWidth contains the currently visible horizontal range of the scrolled content.
|
方法| 名称 | 说明 | |
|---|---|---|
 | LineDown |
Scroll content by one line to the bottom.
|
| LineLeft |
Scroll content by one line to the left.
|
| LineRight |
Scroll content by one line to the right.
|
| LineUp |
Scroll content by one line to the top.
|
| MouseWheelDown |
Scroll content by one page to the bottom.
|
| MouseWheelLeft |
Scroll content by one page to the left.
|
| MouseWheelRight |
Scroll content by one page to the right.
|
| MouseWheelUp |
Scroll content by one page to the top.
|
| PageDown |
Scroll content by one page to the bottom.
|
| PageLeft |
Scroll content by one page to the left.
|
| PageRight |
Scroll content by one page to the right.
|
| PageUp |
Scroll content by one page to the top.
|
| SetHorizontalOffset |
Set the HorizontalOffset to the passed value.
An implementation may coerce this value into a valid range, typically inclusively between 0 and ExtentWidth less ViewportWidth.
|
| SetVerticalOffset |
Set the VerticalOffset to the passed value.
An implementation may coerce this value into a valid range, typically inclusively between 0 and ExtentHeight less ViewportHeight.
|
事件| 名称 | 说明 | |
|---|---|---|
 | ScrollChanged |
滚动或者视口变化
|
参见