UIElement Class

Namespace: GHIElectronics.TinyCLR.UI · Assembly: GHIElectronics.TinyCLR.UI

No description available.

public abstract class UIElement : DispatcherObject

Constructors

UIElement()

protected UIElement()

No description available.

Properties

ActualWidth

public int ActualWidth { get; }

No description available.

ActualHeight

public int ActualHeight { get; }

No description available.

Height

public int Height { get; set; }

Frame height in pixels. (inherited)

Width

public int Width { get; set; }

Column width in pixels. (inherited)

LogicalChildren

protected internal UIElementCollection LogicalChildren { get; }

No description available.

IsFocused

public bool IsFocused { get; }

A property indicating if the button is focused on this element or not.

IsMeasureValid

public bool IsMeasureValid { get; }

Determines if the DesiredSize is valid.

IsArrangeValid

public bool IsArrangeValid { get; }

Determines if the RenderSize and position of child elements is valid.

Parent

public UIElement Parent { get; }

No description available.

RootUIElement

public UIElement RootUIElement { get; }

No description available.

HorizontalAlignment

public HorizontalAlignment HorizontalAlignment { get; set; }

No description available.

VerticalAlignment

public VerticalAlignment VerticalAlignment { get; set; }

No description available.

Visibility

public Visibility Visibility { get; set; }

Visibility accessor

IsVisible

public bool IsVisible { get; }

A property indicating if this element is Visible or not.

IsEnabled

public bool IsEnabled { get; set; }

Fetches the value of the IsEnabled property

Methods

OnGenericEvent(GenericEventArgs e)

protected virtual void OnGenericEvent(GenericEventArgs e)

No description available.

Parameter	Type	Description
e	GenericEventArgs

OnTouchDown(TouchEventArgs e)

protected virtual void OnTouchDown(TouchEventArgs e)

Handles the touch down event. (inherited)

Parameter	Type	Description
e	TouchEventArgs	Touch event arguments.

OnTouchUp(TouchEventArgs e)

protected virtual void OnTouchUp(TouchEventArgs e)

Handles the touch up event. (inherited)

Parameter	Type	Description
e	TouchEventArgs	Touch event arguments.

OnTouchMove(TouchEventArgs e)

protected virtual void OnTouchMove(TouchEventArgs e)

Handles the touch move event. (inherited)

Parameter	Type	Description
e	TouchEventArgs	Touch event arguments.

OnTouchGestureStarted(TouchGestureEventArgs e)

protected virtual void OnTouchGestureStarted(TouchGestureEventArgs e)

No description available.

Parameter	Type	Description
e	TouchGestureEventArgs

OnTouchGestureChanged(TouchGestureEventArgs e)

protected virtual void OnTouchGestureChanged(TouchGestureEventArgs e)

No description available.

Parameter	Type	Description
e	TouchGestureEventArgs

OnTouchGestureEnded(TouchGestureEventArgs e)

protected virtual void OnTouchGestureEnded(TouchGestureEventArgs e)

No description available.

Parameter	Type	Description
e	TouchGestureEventArgs

OnPreviewButtonDown(ButtonEventArgs e)

protected virtual void OnPreviewButtonDown(ButtonEventArgs e)

An event reporting a button was pressed.

Parameter	Type	Description
e	ButtonEventArgs

OnButtonDown(ButtonEventArgs e)

protected virtual void OnButtonDown(ButtonEventArgs e)

An event reporting a button was pressed.

Parameter	Type	Description
e	ButtonEventArgs

OnPreviewButtonUp(ButtonEventArgs e)

protected virtual void OnPreviewButtonUp(ButtonEventArgs e)

An event reporting a button was released.

Parameter	Type	Description
e	ButtonEventArgs

OnButtonUp(ButtonEventArgs e)

protected virtual void OnButtonUp(ButtonEventArgs e)

An event reporting a button was released.

Parameter	Type	Description
e	ButtonEventArgs

OnGotFocus(FocusChangedEventArgs e)

protected virtual void OnGotFocus(FocusChangedEventArgs e)

An event announcing that the buttons are focused on this element.

Parameter	Type	Description
e	FocusChangedEventArgs

OnLostFocus(FocusChangedEventArgs e)

protected virtual void OnLostFocus(FocusChangedEventArgs e)

An event announcing that the buttons is no longer focused on this element

Parameter	Type	Description
e	FocusChangedEventArgs

GetDesiredSize(out int width, out int height)

public void GetDesiredSize(out int width, out int height)

No description available.

Parameter	Type	Description
width	out int
height	out int

GetMargin(out int left, out int top, out int right, out int bottom)

public void GetMargin(out int left, out int top, out int right, out int bottom)

No description available.

Parameter	Type	Description
left	out int
top	out int
right	out int
bottom	out int

SetMargin(int length)

public void SetMargin(int length)

No description available.

Parameter	Type	Description
length	int

SetMargin(int left, int top, int right, int bottom)

public void SetMargin(int left, int top, int right, int bottom)

No description available.

Parameter	Type	Description
left	int
top	int
right	int
bottom	int

IsHeightSet(out int height)

protected internal bool IsHeightSet(out int height)

No description available.

Parameter	Type	Description
height	out int

Returns bool

IsWidthSet(out int width)

protected internal bool IsWidthSet(out int width)

No description available.

Parameter	Type	Description
width	out int

Returns bool

GetLayoutOffset(out int x, out int y)

public void GetLayoutOffset(out int x, out int y)

No description available.

Parameter	Type	Description
x	out int
y	out int

GetRenderSize(out int width, out int height)

public void GetRenderSize(out int width, out int height)

No description available.

Parameter	Type	Description
width	out int
height	out int

OnChildrenChanged(UIElement added, UIElement removed, int indexAffected)

protected internal virtual void OnChildrenChanged( UIElement added, UIElement removed, int indexAffected)

OnChildrenChanged is called when the UIElementCollection of the UIElement is edited.

Parameter	Type	Description
added	UIElement
removed	UIElement
indexAffected	int

Measure(int availableWidth, int availableHeight)

public void Measure(int availableWidth, int availableHeight)

Updates DesiredSize of the UIElement. Must be called by parents from their MeasureOverride, to form recursive update. This is first pass of layout update.

Parameter	Type	Description
availableWidth	int	Available width that parent can give to the child. May be MaxValue (when parent wants to measure to content). This is soft constraint. Child can return bigger size to indicate that it wants bigger space and hope that parent can throw in scrolling...
availableHeight	int	Available height that parent can give to the child. May be MaxValue (when parent wants to measure to content). This is soft constraint. Child can return bigger size to indicate that it wants bigger space and hope that parent can throw in scrolling...

Arrange(int finalRectX, int finalRectY, int finalRectWidth, int finalRectHeight)

public void Arrange(int finalRectX, int finalRectY, int finalRectWidth, int finalRectHeight)

No description available.

Parameter	Type	Description
finalRectX	int
finalRectY	int
finalRectWidth	int
finalRectHeight	int

MeasureOverride(int availableWidth, int availableHeight, out int desiredWidth, out int desiredHeight)

protected virtual void MeasureOverride(int availableWidth, int availableHeight, out int desiredWidth, out int desiredHeight)

Measurement override. Implement your size-to-content logic here.

Parameter	Type	Description
availableWidth	int	Available size that parent can give to the child. May be MaxValue(when parent wants to measure to content). This is soft constraint. Child can return bigger size to indicate that it wants bigger space and hope that parent can throw in scrolling...
availableHeight	int
desiredWidth	out int
desiredHeight	out int

ArrangeOverride(int arrangeWidth, int arrangeHeight)

protected virtual void ArrangeOverride(int arrangeWidth, int arrangeHeight)

ArrangeOverride allows for the customization of the final sizing and positioning of children.

Parameter	Type	Description
arrangeWidth	int	Final width
arrangeHeight	int	Final height

UpdateLayout()

public void UpdateLayout()

Call this method to ensure that the whoel subtree of elements that includes this UIElement is properly updated.

ChildElementFromPoint(int x, int y)

public UIElement ChildElementFromPoint(int x, int y)

No description available.

Parameter	Type	Description
x	int
y	int

Returns UIElement

GetUnclippedSize(out int width, out int height)

public void GetUnclippedSize(out int width, out int height)

No description available.

Parameter	Type	Description
width	out int
height	out int

ContainsPoint(int x, int y)

public bool ContainsPoint(int x, int y)

No description available.

Parameter	Type	Description
x	int
y	int

Returns bool

GetPointerTarget(int x, int y)

public UIElement GetPointerTarget(int x, int y)

No description available.

Parameter	Type	Description
x	int
y	int

Returns UIElement

PointToScreen(ref int x, ref int y)

public void PointToScreen(ref int x, ref int y)

We are deviating little from their desktop counter parts, mostly for simplicity and perf.

Parameter	Type	Description
x	ref int
y	ref int

PointToClient(ref int x, ref int y)

public void PointToClient(ref int x, ref int y)

No description available.

Parameter	Type	Description
x	ref int
y	ref int

InvalidateMeasure()

public void InvalidateMeasure()

Invalidates the measurement state for the UIElement. This has the effect of also invalidating the arrange state for the UIElement. The UIElement will be queued for an update layout that will occur asynchronously.

InvalidateArrange()

public void InvalidateArrange()

Invalidates the arrange state for the UIElement. The UIElement will be queued for an update layout that will occur asynchronously. MeasureOverride will not be called unless InvalidateMeasure is also called - or that something else caused the measure state to be invalidated.

OnChildDesiredSizeChanged(UIElement child)

protected virtual void OnChildDesiredSizeChanged(UIElement child)

Notification that is called by Measure of a child when it ends up with different desired size for the child.

Parameter	Type	Description
child	UIElement

OnRender(DrawingContext dc)

public virtual void OnRender(DrawingContext dc)

Renders the DataGrid onto it's parent container's graphics. (inherited)

Parameter	Type	Description
dc	DrawingContext

RenderRecursive(DrawingContext dc)

protected internal virtual void RenderRecursive(DrawingContext dc)

No description available.

Parameter	Type	Description
dc	DrawingContext

InvalidateRect(int x, int y, int w, int h)

public void InvalidateRect(int x, int y, int w, int h)

No description available.

Parameter	Type	Description
x	int
y	int
w	int
h	int

Invalidate()

public void Invalidate()

No description available.

AddToEventRoute(EventRoute route, RoutedEventArgs args)

public void AddToEventRoute(EventRoute route, RoutedEventArgs args)

No description available.

Parameter	Type	Description
route	EventRoute
args	RoutedEventArgs

AddHandler(RoutedEvent routedEvent, RoutedEventHandler handler, bool handledEventsToo)

public void AddHandler( RoutedEvent routedEvent, RoutedEventHandler handler, bool handledEventsToo)

Adds a routed event handler for the particular RoutedEvent

Parameter	Type	Description
routedEvent	RoutedEvent	RoutedEvent for which the handler is attached
handler	RoutedEventHandler	The handler that will be invoked on this object when the RoutedEvent is raised
handledEventsToo	bool	Flag indicating whether or not the listener wants to hear about events that have already been handled

PrintSize(int x, int y)

public static string PrintSize(int x, int y)

No description available.

Parameter	Type	Description
x	int
y	int

Returns string

Events

TouchUp

public event TouchEventHandler TouchUp

No description available.

TouchMove

public event TouchEventHandler TouchMove

No description available.

TouchGestureStart

public event TouchGestureEventHandler TouchGestureStart

No description available.

TouchGestureChanged

public event TouchGestureEventHandler TouchGestureChanged

No description available.

TouchGestureEnd

public event TouchGestureEventHandler TouchGestureEnd

No description available.

IsVisibleChanged

public event PropertyChangedEventHandler IsVisibleChanged

No description available.

IsEnabledChanged

public event PropertyChangedEventHandler IsEnabledChanged

No description available.

Fields

_horizontalAlignment

protected HorizontalAlignment _horizontalAlignment

No description available.

_verticalAlignment

protected VerticalAlignment _verticalAlignment

No description available.