C# Класс ZoomAndPan.ZoomAndPanControl

A class that wraps up zooming and panning of it's content.

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Открытые свойства

Свойство	Тип	Описание
AnimationDurationProperty	DependencyProperty
ContentOffsetXProperty	DependencyProperty
ContentOffsetYProperty	DependencyProperty
ContentScalableProperty	DependencyProperty
ContentScaleProperty	DependencyProperty
ContentViewportHeightProperty	DependencyProperty
ContentViewportWidthProperty	DependencyProperty
ContentZoomFocusXProperty	DependencyProperty
ContentZoomFocusYProperty	DependencyProperty
IsMouseWheelScrollingEnabledProperty	DependencyProperty
MaxContentScaleProperty	DependencyProperty
MinContentScaleProperty	DependencyProperty
ViewportZoomFocusXProperty	DependencyProperty
ViewportZoomFocusYProperty	DependencyProperty

Открытые методы

Метод	Описание
AnimatedScaleToFit ( ) : void	Do animation that scales the content so that it fits completely in the control.
AnimatedSnapTo ( Point contentPoint ) : void	Use animation to center the view on the specified point (in content coordinates).
AnimatedZoomAboutPoint ( double newContentScale, Point contentZoomFocus ) : void	Zoom in/out centered on the specified point (in content coordinates). The focus point is kept locked to it's on screen position (ala google maps).
AnimatedZoomTo ( Rect contentRect ) : void	Do an animated zoom to the specified rectangle (in content coordinates).
AnimatedZoomTo ( double contentScale ) : void	Zoom in/out centered on the viewport center.
AnimatedZoomTo ( double newScale, Rect contentRect ) : void	Do an animated zoom to view a specific scale and rectangle (in content coordinates).
AnimatedZoomToFit ( ) : void	Do animation that scales the content so that it fits completely in the control.
ElementToLogicalPoint ( Point elementPoint ) : Point
LineDown ( ) : void	Shift the content offset one line down.
LineLeft ( ) : void	Shift the content offset one line left.
LineRight ( ) : void	Shift the content offset one line right.
LineUp ( ) : void	Shift the content offset one line up.
LogicalToElementPoint ( Point logicalPoint ) : Point
MakeVisible ( UIElement visual, Rect rectangle ) : Rect	Bring the specified rectangle to view.
MakeVisible ( Visual visual, Rect rectangle ) : Rect	Bring the specified rectangle to view.
MouseWheelDown ( ) : void	Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.
MouseWheelLeft ( ) : void	Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.
MouseWheelRight ( ) : void	Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.
MouseWheelUp ( ) : void	Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.
OnApplyTemplate ( ) : void	Called when a template has been applied to the control.
PageDown ( ) : void	Shift the content offset one page down.
PageLeft ( ) : void	Shift the content offset one page left.
PageRight ( ) : void	Shift the content offset one page right.
PageUp ( ) : void	Shift the content offset one page up.
ScaleToFit ( ) : void	Instantly scale the content so that it fits completely in the control.
ScrollToCenter ( Rect contentRect ) : void
SetHorizontalOffset ( double offset ) : void	Called when the offset of the horizontal scrollbar has been set.
SetVerticalOffset ( double offset ) : void	Called when the offset of the vertical scrollbar has been set.
SnapContentOffsetTo ( Point contentOffset ) : void	Instantly center the view on the specified point (in content coordinates).
SnapTo ( Point contentPoint ) : void	Instantly center the view on the specified point (in content coordinates).
UpdateScrollOffsets ( ) : void
ZoomAboutPoint ( double newContentScale, Point contentZoomFocus ) : void	Zoom in/out centered on the specified point (in content coordinates). The focus point is kept locked to it's on screen position (ala google maps).
ZoomAndPanControl ( ) : System	/Static/ constructor to define metadata for the control (and link it to the style in Generic.xaml).
ZoomIn ( Point contentZoomCenter, double ZoomFactorStep = 0.2 ) : void	Zoom in at logical point
ZoomIn ( double ZoomFactorStep = 0.2 ) : void	Zoom in at view center
ZoomOut ( Point contentZoomCenter, double ZoomFactorStep = 0.2 ) : void	Zoom out at logical point
ZoomOut ( double ZoomFactorStep = 0.2 ) : void	Zoom out at view center
ZoomTo ( Rect contentRect ) : void	Instantly zoom to the specified rectangle (in content coordinates).
ZoomTo ( double contentScale ) : void	Zoom in/out centered on the viewport center.
ZoomToFit ( ) : void	Instantly scale the content so that it fits completely in the control.

Защищенные методы

Метод	Описание
ArrangeOverride ( Size arrangeBounds ) : Size	Arrange the control and it's children.
MeasureOverride ( Size constraint ) : Size	Measure the control and it's children.
OnMouseDoubleClick ( MouseButtonEventArgs e ) : void
OnMouseDown ( MouseButtonEventArgs e, MouseButton changedButton ) : void
OnMouseLeftButtonDown ( MouseButtonEventArgs e ) : void
OnMouseLeftButtonUp ( MouseButtonEventArgs e ) : void
OnMouseMove ( MouseEventArgs e ) : void
OnMouseRightButtonDown ( MouseButtonEventArgs e ) : void
OnMouseRightButtonUp ( MouseButtonEventArgs e ) : void
OnMouseUp ( MouseButtonEventArgs e, MouseButton changedButton ) : void
OnMouseWheel ( MouseWheelEventArgs e ) : void

Приватные методы

Метод	Описание
AnimatedZoomPointToViewportCenter ( double newContentScale, Point contentZoomFocus, EventHandler callback ) : void	Zoom to the specified scale and move the specified focus point to the center of the viewport.
ApplyDragZoomRect ( ) : void	When the user has finished dragging out the rectangle the zoom operation is applied.
ClearPrevZoomRect ( ) : void	Clear the memory of the previous zoom level.
ContentOffsetX_Coerce ( DependencyObject d, object baseValue ) : object	Method called to clamp the 'ContentOffsetX' value to its valid range.
ContentOffsetX_PropertyChanged ( DependencyObject o, DependencyPropertyChangedEventArgs e ) : void	Event raised when the 'ContentOffsetX' property has changed value.
ContentOffsetY_Coerce ( DependencyObject d, object baseValue ) : object	Method called to clamp the 'ContentOffsetY' value to its valid range.
ContentOffsetY_PropertyChanged ( DependencyObject o, DependencyPropertyChangedEventArgs e ) : void	Event raised when the 'ContentOffsetY' property has changed value.
ContentScale_Coerce ( DependencyObject d, object baseValue ) : object	Method called to clamp the 'ContentScale' value to its valid range.
ContentScale_PropertyChanged ( DependencyObject o, DependencyPropertyChangedEventArgs e ) : void	Event raised when the 'ContentScale' property has changed value.
FadeOutDragZoomRect ( ) : void
InitDragZoomRect ( Point pt1, Point pt2 ) : void	Initialise the rectangle that the use is dragging out.
MinOrMaxContentScale_PropertyChanged ( DependencyObject o, DependencyPropertyChangedEventArgs e ) : void	Event raised 'MinContentScale' or 'MaxContentScale' has changed.
ResetViewportZoomFocus ( ) : void	Reset the viewport zoom focus to the center of the viewport.
SavePrevZoomRect ( ) : void
SetDragZoomRect ( Point pt1, Point pt2 ) : void	Update the position and size of the rectangle that user is dragging out.
UpdateContentViewportSize ( ) : void	Update the size of the viewport in content coordinates after the viewport size or 'ContentScale' has changed.
UpdateContentZoomFocusX ( ) : void	Update the X coordinate of the zoom focus point in content coordinates.
UpdateContentZoomFocusY ( ) : void	Update the Y coordinate of the zoom focus point in content coordinates.
UpdateTranslationX ( ) : void	Update the X coordinate of the translation transformation.
UpdateTranslationY ( ) : void	Update the Y coordinate of the translation transformation.
UpdateViewportSize ( Size newSize ) : void	Update the viewport size from the specified size.
ZoomPointToViewportCenter ( double newContentScale, Point contentZoomFocus ) : void	Zoom to the specified scale and move the specified focus point to the center of the viewport.

Описание методов

AnimatedScaleToFit() публичный Метод

Do animation that scales the content so that it fits completely in the control.

public AnimatedScaleToFit ( ) : void
Результат	void

AnimatedSnapTo() публичный Метод

Use animation to center the view on the specified point (in content coordinates).

public AnimatedSnapTo ( Point contentPoint ) : void
contentPoint	Point
Результат	void

AnimatedZoomAboutPoint() публичный Метод

Zoom in/out centered on the specified point (in content coordinates). The focus point is kept locked to it's on screen position (ala google maps).

public AnimatedZoomAboutPoint ( double newContentScale, Point contentZoomFocus ) : void
newContentScale	double
contentZoomFocus	Point
Результат	void

AnimatedZoomTo() публичный Метод

Do an animated zoom to the specified rectangle (in content coordinates).

public AnimatedZoomTo ( Rect contentRect ) : void
contentRect	System.Windows.Rect
Результат	void

AnimatedZoomTo() публичный Метод

Zoom in/out centered on the viewport center.

public AnimatedZoomTo ( double contentScale ) : void
contentScale	double
Результат	void

AnimatedZoomTo() публичный Метод

Do an animated zoom to view a specific scale and rectangle (in content coordinates).

public AnimatedZoomTo ( double newScale, Rect contentRect ) : void
newScale	double
contentRect	Rect
Результат	void

AnimatedZoomToFit() публичный Метод

Do animation that scales the content so that it fits completely in the control.

public AnimatedZoomToFit ( ) : void
Результат	void

ArrangeOverride() защищенный Метод

Arrange the control and it's children.

protected ArrangeOverride ( Size arrangeBounds ) : Size
arrangeBounds	Size
Результат	Size

ElementToLogicalPoint() публичный Метод

public ElementToLogicalPoint ( Point elementPoint ) : Point
elementPoint	Point
Результат	Point

LineDown() публичный Метод

Shift the content offset one line down.

public LineDown ( ) : void
Результат	void

LineLeft() публичный Метод

Shift the content offset one line left.

public LineLeft ( ) : void
Результат	void

LineRight() публичный Метод

Shift the content offset one line right.

public LineRight ( ) : void
Результат	void

LineUp() публичный Метод

Shift the content offset one line up.

public LineUp ( ) : void
Результат	void

LogicalToElementPoint() публичный Метод

public LogicalToElementPoint ( Point logicalPoint ) : Point
logicalPoint	Point
Результат	Point

MakeVisible() публичный Метод

Bring the specified rectangle to view.

public MakeVisible ( UIElement visual, Rect rectangle ) : Rect
visual	UIElement
rectangle	Rect
Результат	Rect

MakeVisible() публичный Метод

Bring the specified rectangle to view.

public MakeVisible ( Visual visual, Rect rectangle ) : Rect
visual	Visual
rectangle	Rect
Результат	Rect

MeasureOverride() защищенный Метод

Measure the control and it's children.

protected MeasureOverride ( Size constraint ) : Size
constraint	Size
Результат	Size

MouseWheelDown() публичный Метод

Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.

public MouseWheelDown ( ) : void
Результат	void

MouseWheelLeft() публичный Метод

Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.

public MouseWheelLeft ( ) : void
Результат	void

MouseWheelRight() публичный Метод

Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.

public MouseWheelRight ( ) : void
Результат	void

MouseWheelUp() публичный Метод

Don't handle mouse wheel input from the ScrollViewer, the mouse wheel is used for zooming in and out, not for manipulating the scrollbars.

public MouseWheelUp ( ) : void
Результат	void

OnApplyTemplate() публичный Метод

Called when a template has been applied to the control.

public OnApplyTemplate ( ) : void
Результат	void

OnMouseDoubleClick() защищенный Метод

protected OnMouseDoubleClick ( MouseButtonEventArgs e ) : void
e	MouseButtonEventArgs
Результат	void

OnMouseDown() защищенный Метод

protected OnMouseDown ( MouseButtonEventArgs e, MouseButton changedButton ) : void
e	MouseButtonEventArgs
changedButton	MouseButton
Результат	void

OnMouseLeftButtonDown() защищенный Метод

protected OnMouseLeftButtonDown ( MouseButtonEventArgs e ) : void
e	MouseButtonEventArgs
Результат	void

OnMouseLeftButtonUp() защищенный Метод

protected OnMouseLeftButtonUp ( MouseButtonEventArgs e ) : void
e	MouseButtonEventArgs
Результат	void

OnMouseMove() защищенный Метод

protected OnMouseMove ( MouseEventArgs e ) : void
e	MouseEventArgs
Результат	void

OnMouseRightButtonDown() защищенный Метод

protected OnMouseRightButtonDown ( MouseButtonEventArgs e ) : void
e	MouseButtonEventArgs
Результат	void

OnMouseRightButtonUp() защищенный Метод

protected OnMouseRightButtonUp ( MouseButtonEventArgs e ) : void
e	MouseButtonEventArgs
Результат	void

OnMouseUp() защищенный Метод

protected OnMouseUp ( MouseButtonEventArgs e, MouseButton changedButton ) : void
e	MouseButtonEventArgs
changedButton	MouseButton
Результат	void

OnMouseWheel() защищенный Метод

protected OnMouseWheel ( MouseWheelEventArgs e ) : void
e	MouseWheelEventArgs
Результат	void

PageDown() публичный Метод

Shift the content offset one page down.

public PageDown ( ) : void
Результат	void

PageLeft() публичный Метод

Shift the content offset one page left.

public PageLeft ( ) : void
Результат	void

PageRight() публичный Метод

Shift the content offset one page right.

public PageRight ( ) : void
Результат	void

PageUp() публичный Метод

Shift the content offset one page up.

public PageUp ( ) : void
Результат	void

ScaleToFit() публичный Метод

Instantly scale the content so that it fits completely in the control.

public ScaleToFit ( ) : void
Результат	void

ScrollToCenter() публичный Метод

public ScrollToCenter ( Rect contentRect ) : void
contentRect	Rect
Результат	void

SetHorizontalOffset() публичный Метод

Called when the offset of the horizontal scrollbar has been set.

public SetHorizontalOffset ( double offset ) : void
offset	double
Результат	void

SetVerticalOffset() публичный Метод

Called when the offset of the vertical scrollbar has been set.

public SetVerticalOffset ( double offset ) : void
offset	double
Результат	void

SnapContentOffsetTo() публичный Метод

Instantly center the view on the specified point (in content coordinates).

public SnapContentOffsetTo ( Point contentOffset ) : void
contentOffset	Point
Результат	void

SnapTo() публичный Метод

Instantly center the view on the specified point (in content coordinates).

public SnapTo ( Point contentPoint ) : void
contentPoint	Point
Результат	void

UpdateScrollOffsets() публичный Метод

public UpdateScrollOffsets ( ) : void
Результат	void

ZoomAboutPoint() публичный Метод

Zoom in/out centered on the specified point (in content coordinates). The focus point is kept locked to it's on screen position (ala google maps).

public ZoomAboutPoint ( double newContentScale, Point contentZoomFocus ) : void
newContentScale	double
contentZoomFocus	Point
Результат	void

ZoomAndPanControl() публичный Метод

/*Static*/ constructor to define metadata for the control (and link it to the style in Generic.xaml).

public ZoomAndPanControl ( ) : System
Результат	System

ZoomIn() публичный Метод

Zoom in at logical point

public ZoomIn ( Point contentZoomCenter, double ZoomFactorStep = 0.2 ) : void
contentZoomCenter	Point
ZoomFactorStep	double
Результат	void

ZoomIn() публичный Метод

Zoom in at view center

public ZoomIn ( double ZoomFactorStep = 0.2 ) : void
ZoomFactorStep	double
Результат	void

ZoomOut() публичный Метод

Zoom out at logical point

public ZoomOut ( Point contentZoomCenter, double ZoomFactorStep = 0.2 ) : void
contentZoomCenter	Point
ZoomFactorStep	double
Результат	void

ZoomOut() публичный Метод

Zoom out at view center

public ZoomOut ( double ZoomFactorStep = 0.2 ) : void
ZoomFactorStep	double
Результат	void

ZoomTo() публичный Метод

Instantly zoom to the specified rectangle (in content coordinates).

public ZoomTo ( Rect contentRect ) : void
contentRect	Rect
Результат	void

ZoomTo() публичный Метод

Zoom in/out centered on the viewport center.

public ZoomTo ( double contentScale ) : void
contentScale	double
Результат	void

ZoomToFit() публичный Метод

Instantly scale the content so that it fits completely in the control.

public ZoomToFit ( ) : void
Результат	void

Описание свойств

AnimationDurationProperty публичное статическое свойство

public static DependencyProperty AnimationDurationProperty
Результат	DependencyProperty

ContentOffsetXProperty публичное статическое свойство

public static DependencyProperty ContentOffsetXProperty
Результат	DependencyProperty

ContentOffsetYProperty публичное статическое свойство

public static DependencyProperty ContentOffsetYProperty
Результат	DependencyProperty

ContentScalableProperty публичное статическое свойство

public static DependencyProperty ContentScalableProperty
Результат	DependencyProperty

ContentScaleProperty публичное статическое свойство

public static DependencyProperty ContentScaleProperty
Результат	DependencyProperty

ContentViewportHeightProperty публичное статическое свойство

public static DependencyProperty ContentViewportHeightProperty
Результат	DependencyProperty

ContentViewportWidthProperty публичное статическое свойство

public static DependencyProperty ContentViewportWidthProperty
Результат	DependencyProperty

ContentZoomFocusXProperty публичное статическое свойство

public static DependencyProperty ContentZoomFocusXProperty
Результат	DependencyProperty

ContentZoomFocusYProperty публичное статическое свойство

public static DependencyProperty ContentZoomFocusYProperty
Результат	DependencyProperty

IsMouseWheelScrollingEnabledProperty публичное статическое свойство

public static DependencyProperty IsMouseWheelScrollingEnabledProperty
Результат	DependencyProperty

MaxContentScaleProperty публичное статическое свойство

public static DependencyProperty MaxContentScaleProperty
Результат	DependencyProperty

MinContentScaleProperty публичное статическое свойство

public static DependencyProperty MinContentScaleProperty
Результат	DependencyProperty

ViewportZoomFocusXProperty публичное статическое свойство

public static DependencyProperty ViewportZoomFocusXProperty
Результат	DependencyProperty

ViewportZoomFocusYProperty публичное статическое свойство

public static DependencyProperty ViewportZoomFocusYProperty
Результат	DependencyProperty