ImageBrush Class
Definition
Important
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Paints an area with an image.
public ref class ImageBrush sealed : System::Windows::Media::TileBrushpublic sealed class ImageBrush : System.Windows.Media.TileBrushtype ImageBrush = class
inherit TileBrushPublic NotInheritable Class ImageBrush
Inherits TileBrush- Inheritance
Remarks
An ImageBrush is a type of TileBrush that defines its content as an image, which is specified by its ImageSource property. You can control how the image is stretched, aligned, and tiled, enabling you to produce patterns and other effects. The following images show some effects that can be achieved with an ImageBrush.
An ImageBrush can paint shapes, controls, text, and more
As mentioned, an ImageBrush paints an area with an ImageSource. The most common type of ImageSource to use with an ImageBrush is a BitmapImage, which describes a bitmap graphic. You can use a DrawingImage to paint using a Drawing object, but it is simpler to use a DrawingBrush instead. For more information about ImageSource objects, see Imaging Overview.
For more information about ImageBrush features, see Painting with Images, Drawings, and Visuals overview.
Freezable Features
Because the ImageBrush class inherits from Freezable, ImageBrush objects gain several special features, which include the following: they can be declared as resources, shared among multiple objects, made read-only to improve performance, cloned, and made thread safe. For more information about the features provided by Freezable objects, see Freezable Objects Overview.
Constructors
| ImageBrush() |
Initializes a new instance of the ImageBrush class with no content. |
| ImageBrush(ImageSource) |
Initializes a new instance of the ImageBrush class that paints an area with the specified image. |
Fields
| ImageSourceProperty |
Identifies the ImageSource dependency property. |
Properties
| AlignmentX |
Gets or sets the horizontal alignment of content in the TileBrush base tile. (Inherited from TileBrush) |
| AlignmentY |
Gets or sets the vertical alignment of content in the TileBrush base tile. (Inherited from TileBrush) |
| CanFreeze |
Gets a value that indicates whether the object can be made unmodifiable. (Inherited from Freezable) |
| DependencyObjectType |
Gets the DependencyObjectType that wraps the CLR type of this instance. (Inherited from DependencyObject) |
| Dispatcher |
Gets the Dispatcher this DispatcherObject is associated with. (Inherited from DispatcherObject) |
| HasAnimatedProperties |
Gets a value that indicates whether one or more AnimationClock objects is associated with any of this object's dependency properties. (Inherited from Animatable) |
| ImageSource |
Gets or sets the image displayed by this ImageBrush. |
| IsFrozen |
Gets a value that indicates whether the object is currently modifiable. (Inherited from Freezable) |
| IsSealed |
Gets a value that indicates whether this instance is currently sealed (read-only). (Inherited from DependencyObject) |
| Opacity |
Gets or sets the degree of opacity of a Brush. (Inherited from Brush) |
| RelativeTransform |
Gets or sets the transformation that is applied to the brush using relative coordinates. (Inherited from Brush) |
| Stretch |
Gets or sets a value that specifies how the content of this TileBrush stretches to fit its tiles. (Inherited from TileBrush) |
| TileMode |
Gets or sets a value that specifies how a TileBrush fills the area that you are painting if the base tile is smaller than the output area. (Inherited from TileBrush) |
| Transform |
Gets or sets the transformation that is applied to the brush. This transformation is applied after the brush's output has been mapped and positioned. (Inherited from Brush) |
| Viewbox |
Gets or sets the position and dimensions of the content in a TileBrush tile. (Inherited from TileBrush) |
| ViewboxUnits |
Gets or sets a value that specifies whether the Viewbox value is relative to the bounding box of the TileBrush contents or whether the value is absolute. (Inherited from TileBrush) |
| Viewport |
Gets or sets the position and dimensions of the base tile for a TileBrush. (Inherited from TileBrush) |
| ViewportUnits |
Gets or sets a BrushMappingMode enumeration that specifies whether the value of the Viewport, which indicates the size and position of the TileBrush base tile, is relative to the size of the output area. (Inherited from TileBrush) |
Methods
| ApplyAnimationClock(DependencyProperty, AnimationClock, HandoffBehavior) |
Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the specified HandoffBehavior is used. (Inherited from Animatable) |
| ApplyAnimationClock(DependencyProperty, AnimationClock) |
Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the SnapshotAndReplace handoff behavior is used. (Inherited from Animatable) |
| BeginAnimation(DependencyProperty, AnimationTimeline, HandoffBehavior) |
Applies an animation to the specified DependencyProperty. The animation is started when the next frame is rendered. If the specified property is already animated, the specified HandoffBehavior is used. (Inherited from Animatable) |
| BeginAnimation(DependencyProperty, AnimationTimeline) |
Applies an animation to the specified DependencyProperty. The animation is started when the next frame is rendered. If the specified property is already animated, the SnapshotAndReplace handoff behavior is used. (Inherited from Animatable) |
| CheckAccess() |
Determines whether the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject) |
| ClearValue(DependencyProperty) |
Clears the local value of a property. The property to be cleared is specified by a DependencyProperty identifier. (Inherited from DependencyObject) |
| ClearValue(DependencyPropertyKey) |
Clears the local value of a read-only property. The property to be cleared is specified by a DependencyPropertyKey. (Inherited from DependencyObject) |
| Clone() |
Creates a modifiable clone of this ImageBrush, making deep copies of this object's values. |
| CloneCore(Freezable) |
Makes the instance a clone (deep copy) of the specified Freezable using base (non-animated) property values. (Inherited from Freezable) |
| CloneCurrentValue() |
Creates a modifiable clone of this ImageBrush object, making deep copies of this object's current values. |
| CloneCurrentValueCore(Freezable) |
Makes the instance a modifiable clone (deep copy) of the specified Freezable using current property values. (Inherited from Freezable) |
| CoerceValue(DependencyProperty) |
Coerces the value of the specified dependency property. This is accomplished by invoking any CoerceValueCallback function specified in property metadata for the dependency property as it exists on the calling DependencyObject. (Inherited from DependencyObject) |
| CreateInstance() |
Initializes a new instance of the Freezable class. (Inherited from Freezable) |
| CreateInstanceCore() |
When implemented in a derived class, creates a new instance of the Freezable derived class. (Inherited from Freezable) |
| Equals(Object) |
Determines whether a provided DependencyObject is equivalent to the current DependencyObject. (Inherited from DependencyObject) |
| Freeze() |
Makes the current object unmodifiable and sets its IsFrozen property to |
| FreezeCore(Boolean) |
Makes this Animatable object unmodifiable or determines whether it can be made unmodifiable. (Inherited from Animatable) |
| GetAnimationBaseValue(DependencyProperty) |
Returns the non-animated value of the specified DependencyProperty. (Inherited from Animatable) |
| GetAsFrozen() |
Creates a frozen copy of the Freezable, using base (non-animated) property values. Because the copy is frozen, any frozen sub-objects are copied by reference. (Inherited from Freezable) |
| GetAsFrozenCore(Freezable) |
Makes the instance a frozen clone of the specified Freezable using base (non-animated) property values. (Inherited from Freezable) |
| GetContentBounds(Rect) |
Obtains the current bounds of the TileBrush content. (Inherited from TileBrush) |
| GetCurrentValueAsFrozen() |
Creates a frozen copy of the Freezable using current property values. Because the copy is frozen, any frozen sub-objects are copied by reference. (Inherited from Freezable) |
| GetCurrentValueAsFrozenCore(Freezable) |
Makes the current instance a frozen clone of the specified Freezable. If the object has animated dependency properties, their current animated values are copied. (Inherited from Freezable) |
| GetHashCode() |
Gets a hash code for this DependencyObject. (Inherited from DependencyObject) |
| GetLocalValueEnumerator() |
Creates a specialized enumerator for determining which dependency properties have locally set values on this DependencyObject. (Inherited from DependencyObject) |
| GetType() |
Gets the Type of the current instance. (Inherited from Object) |
| GetValue(DependencyProperty) |
Returns the current effective value of a dependency property on this instance of a DependencyObject. (Inherited from DependencyObject) |
| InvalidateProperty(DependencyProperty) |
Re-evaluates the effective value for the specified dependency property. (Inherited from DependencyObject) |
| MemberwiseClone() |
Creates a shallow copy of the current Object. (Inherited from Object) |
| OnChanged() |
Called when the current Freezable object is modified. (Inherited from Freezable) |
| OnFreezablePropertyChanged(DependencyObject, DependencyObject, DependencyProperty) |
This member supports the Windows Presentation Foundation (WPF) infrastructure and is not intended to be used directly from your code. (Inherited from Freezable) |
| OnFreezablePropertyChanged(DependencyObject, DependencyObject) |
Ensures that appropriate context pointers are established for a DependencyObjectType data member that has just been set. (Inherited from Freezable) |
| OnPropertyChanged(DependencyPropertyChangedEventArgs) |
Overrides the DependencyObject implementation of OnPropertyChanged(DependencyPropertyChangedEventArgs) to also invoke any Changed handlers in response to a changing dependency property of type Freezable. (Inherited from Freezable) |
| ReadLocalValue(DependencyProperty) |
Returns the local value of a dependency property, if it exists. (Inherited from DependencyObject) |
| ReadPreamble() |
Ensures that the Freezable is being accessed from a valid thread. Inheritors of Freezable must call this method at the beginning of any API that reads data members that are not dependency properties. (Inherited from Freezable) |
| SetCurrentValue(DependencyProperty, Object) |
Sets the value of a dependency property without changing its value source. (Inherited from DependencyObject) |
| SetValue(DependencyProperty, Object) |
Sets the local value of a dependency property, specified by its dependency property identifier. (Inherited from DependencyObject) |
| SetValue(DependencyPropertyKey, Object) |
Sets the local value of a read-only dependency property, specified by the DependencyPropertyKey identifier of the dependency property. (Inherited from DependencyObject) |
| ShouldSerializeProperty(DependencyProperty) |
Returns a value that indicates whether serialization processes should serialize the value for the provided dependency property. (Inherited from DependencyObject) |
| ToString() |
Return string representation of this Brush. (Inherited from Brush) |
| ToString(IFormatProvider) |
Creates a string representation of this object based on the specified culture-specific formatting information. (Inherited from Brush) |
| VerifyAccess() |
Enforces that the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject) |
| WritePostscript() |
Raises the Changed event for the Freezable and invokes its OnChanged() method. Classes that derive from Freezable should call this method at the end of any API that modifies class members that are not stored as dependency properties. (Inherited from Freezable) |
| WritePreamble() |
Verifies that the Freezable is not frozen and that it is being accessed from a valid threading context. Freezable inheritors should call this method at the beginning of any API that writes to data members that are not dependency properties. (Inherited from Freezable) |
Events
| Changed |
Occurs when the Freezable or an object it contains is modified. (Inherited from Freezable) |
Explicit Interface Implementations
| IFormattable.ToString(String, IFormatProvider) |
Formats the value of the current instance using the specified format. (Inherited from Brush) |
