Class Control

Represents the base class for UI elements that use a ControlTemplate to define their appearance.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
AutoCompleteBox
ContentControl
DataField
DataForm
DataGrid
DataGridRow
DataGridRowGroupHeader
DataPager
Axis
AxisLabel
Chart
DataPoint
DefinitionSeries
Series
TreeMap
DescriptionViewer
GridSplitter
INTERNAL_DateTimePickerBase
ItemsControl
PasswordBox
Picker
CalendarItem
RangeBase
Thumb
RichTextBox
Separator
Spinner
TextBlock
TextBox
TimePickerPopup
UpDownBase
UserControl
ValidationSummary
TextElement
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Controls
Assembly: OpenSilver.dll
Syntax
public class Control : FrameworkElement

Constructors

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Control()

Represents the base class for UI elements that use a ControlTemplate to define their appearance.

Declaration
public Control()

Fields

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BackgroundProperty

Identifies the Background dependency property.

Declaration
public static readonly DependencyProperty BackgroundProperty
Field Value
Type Description
DependencyProperty
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BorderBrushProperty

Identifies the BorderBrush dependency property.

Declaration
public static readonly DependencyProperty BorderBrushProperty
Field Value
Type Description
DependencyProperty
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BorderThicknessProperty

Identifies the BorderThickness dependency property.

Declaration
public static readonly DependencyProperty BorderThicknessProperty
Field Value
Type Description
DependencyProperty
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CharacterSpacingProperty

Declaration
[NotImplemented]
public static readonly DependencyProperty CharacterSpacingProperty
Field Value
Type Description
DependencyProperty
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DisableBaseControlHandlingOfVisualStates

Derived classes can set this flag to True in their constructor in order to disable the "GoToState" calls of this class related to PointerOver/Pressed/Disabled, and handle them by themselves. An example is the ToggleButton control, which contains states such as "CheckedPressed", "CheckedPointerOver", etc.

Declaration
protected bool DisableBaseControlHandlingOfVisualStates
Field Value
Type Description
System.Boolean
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FontFamilyProperty

Identifies the FontFamily dependency property.

Declaration
public static readonly DependencyProperty FontFamilyProperty
Field Value
Type Description
DependencyProperty
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FontSizeProperty

Identifies the FontSize dependency property.

Declaration
public static readonly DependencyProperty FontSizeProperty
Field Value
Type Description
DependencyProperty
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FontStretchProperty

Declaration
[NotImplemented]
public static readonly DependencyProperty FontStretchProperty
Field Value
Type Description
DependencyProperty
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FontStyleProperty

Identifies the FontStyle dependency property.

Declaration
public static readonly DependencyProperty FontStyleProperty
Field Value
Type Description
DependencyProperty
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FontWeightProperty

Identifies the FontWeight dependency property.

Declaration
public static readonly DependencyProperty FontWeightProperty
Field Value
Type Description
DependencyProperty
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ForegroundProperty

Identifies the Foreground dependency property.

Declaration
public static readonly DependencyProperty ForegroundProperty
Field Value
Type Description
DependencyProperty
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HorizontalContentAlignmentProperty

Identifies the HorizontalContentAlignment dependency property.

Declaration
public static readonly DependencyProperty HorizontalContentAlignmentProperty
Field Value
Type Description
DependencyProperty
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IsTabStopProperty

Identifies the IsTabStop dependency property.

Declaration
public static readonly DependencyProperty IsTabStopProperty
Field Value
Type Description
DependencyProperty
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PaddingProperty

Identifies the Padding dependency property.

Declaration
public static readonly DependencyProperty PaddingProperty
Field Value
Type Description
DependencyProperty
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TabIndexProperty

Identifies the TabIndex dependency property.

Declaration
public static readonly DependencyProperty TabIndexProperty
Field Value
Type Description
DependencyProperty
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TabNavigationProperty

Declaration
[NotImplemented]
public static readonly DependencyProperty TabNavigationProperty
Field Value
Type Description
DependencyProperty
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TemplateProperty

Identifies the Template dependency property.

Declaration
public static readonly DependencyProperty TemplateProperty
Field Value
Type Description
DependencyProperty
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TextDecorationsProperty

Identifies the TextDecorations dependency property.

Declaration
public static readonly DependencyProperty TextDecorationsProperty
Field Value
Type Description
DependencyProperty
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VerticalContentAlignmentProperty

Identifies the VerticalContentAlignment dependency property.

Declaration
public static readonly DependencyProperty VerticalContentAlignmentProperty
Field Value
Type Description
DependencyProperty

Properties

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Background

Gets or sets a brush that provides the background of the control.

Declaration
public Brush Background { get; set; }
Property Value
Type Description
Brush
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BorderBrush

Gets or sets a brush that describes the border background of a control.

Declaration
public Brush BorderBrush { get; set; }
Property Value
Type Description
Brush
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BorderThickness

Gets or sets the thickness of the border.

Declaration
public Thickness BorderThickness { get; set; }
Property Value
Type Description
Thickness
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CharacterSpacing

Declaration
[NotImplemented]
public int CharacterSpacing { get; set; }
Property Value
Type Description
System.Int32
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FontFamily

Gets or sets the font used to display text in the control.

Declaration
public FontFamily FontFamily { get; set; }
Property Value
Type Description
FontFamily
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FontSize

Gets or sets the size of the text in this control.

Declaration
public double FontSize { get; set; }
Property Value
Type Description
System.Double
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FontStretch

The stretch of the desired font. This will only affect controls whose template uses the property as a parameter. On other controls, the property will do nothing.

Declaration
[NotImplemented]
public FontStretch FontStretch { get; set; }
Property Value
Type Description
FontStretch
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FontStyle

Gets or sets the style in which the text is rendered.

Declaration
public FontStyle FontStyle { get; set; }
Property Value
Type Description
FontStyle
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FontWeight

Gets or sets the thickness of the specified font.

Declaration
public FontWeight FontWeight { get; set; }
Property Value
Type Description
FontWeight
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Foreground

Gets or sets a brush that describes the foreground color.

Declaration
public Brush Foreground { get; set; }
Property Value
Type Description
Brush
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HorizontalContentAlignment

Gets or sets the horizontal alignment of the control's content.

Declaration
public HorizontalAlignment HorizontalContentAlignment { get; set; }
Property Value
Type Description
HorizontalAlignment
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IsTabStop

Gets or sets a value that indicates whether a control is included in tab navigation.

Declaration
public bool IsTabStop { get; set; }
Property Value
Type Description
System.Boolean
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Padding

Gets or sets the distance between the border and its child object.

Declaration
public Thickness Padding { get; set; }
Property Value
Type Description
Thickness
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TabIndex

Gets or sets a value that determines the order in which elements receive focus when the user navigates through controls by pressing the Tab key. The default value is MaxValue

Declaration
public int TabIndex { get; set; }
Property Value
Type Description
System.Int32
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TabNavigation

Declaration
[NotImplemented]
public KeyboardNavigationMode TabNavigation { get; set; }
Property Value
Type Description
KeyboardNavigationMode
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Template

Gets or sets a control template.

Declaration
public ControlTemplate Template { get; set; }
Property Value
Type Description
ControlTemplate
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TextDecorations

Gets or sets the text decorations (underline, strikethrough...).

Declaration
public TextDecorationCollection TextDecorations { get; set; }
Property Value
Type Description
TextDecorationCollection
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UseSystemFocusVisuals

Determines whether the control displays the browser's default outline when Focused. This property is ignored for Controls with a Template that defines the "Focused" VisualState. The default value is False.

Declaration
public bool UseSystemFocusVisuals { get; set; }
Property Value
Type Description
System.Boolean
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VerticalContentAlignment

Gets or sets the vertical alignment of the control's content.

Declaration
public VerticalAlignment VerticalContentAlignment { get; set; }
Property Value
Type Description
VerticalAlignment

Methods

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ApplyTemplate()

Declaration
public bool ApplyTemplate()
Returns
Type Description
System.Boolean
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CreateDomElement(Object, out Object)

Declaration
public override object CreateDomElement(object parentRef, out object domElementWhereToPlaceChildren)
Parameters
Type Name Description
System.Object parentRef
System.Object domElementWhereToPlaceChildren
Returns
Type Description
System.Object
Overrides
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Focus()

Attempts to set the focus on the control.

Declaration
public bool Focus()
Returns
Type Description
System.Boolean

true if focus was set to the control, or focus was already on the control. false if the control is not focusable.
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GetTemplateChild(String)

Retrieves the named element in the instantiated ControlTemplate visual tree.

Declaration
protected DependencyObject GetTemplateChild(string childName)
Parameters
Type Name Description
System.String childName

The name of the element to find.
Returns
Type Description
DependencyObject

The named element from the template, if the element is found. Can return null if no element with name childName was found in the template.
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ManageIsEnabled(Boolean)

Declaration
protected override void ManageIsEnabled(bool isEnabled)
Parameters
Type Name Description
System.Boolean isEnabled
Overrides
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MeasureOverride(Size)

Declaration
protected override Size MeasureOverride(Size availableSize)
Parameters
Type Name Description
Size availableSize
Returns
Type Description
Size
Overrides
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OnApplyTemplate()

Declaration
public override void OnApplyTemplate()
Overrides
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OnDragEnter(DragEventArgs)

Declaration
[NotImplemented]
protected virtual void OnDragEnter(DragEventArgs e)
Parameters
Type Name Description
DragEventArgs e
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OnDragLeave(DragEventArgs)

Declaration
[NotImplemented]
protected virtual void OnDragLeave(DragEventArgs e)
Parameters
Type Name Description
DragEventArgs e
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OnDrop(DragEventArgs)

Declaration
[NotImplemented]
protected virtual void OnDrop(DragEventArgs e)
Parameters
Type Name Description
DragEventArgs e
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OnTextInputStart(TextCompositionEventArgs)

Declaration
[NotImplemented]
protected virtual void OnTextInputStart(TextCompositionEventArgs e)
Parameters
Type Name Description
TextCompositionEventArgs e
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OnTextInputUpdate(TextCompositionEventArgs)

Declaration
[NotImplemented]
protected virtual void OnTextInputUpdate(TextCompositionEventArgs e)
Parameters
Type Name Description
TextCompositionEventArgs e

Extension Methods