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DrawingGroup Class
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DrawingGroup Class

Represents a collection of drawings that can be operated upon as a single drawing.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

[ContentPropertyAttribute("Children")]
public sealed class DrawingGroup : Drawing
<DrawingGroup>
  Children
</DrawingGroup>

The DrawingGroup type exposes the following members.

  NameDescription
Public methodDrawingGroupInitializes a new instance of the DrawingGroup class.
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  NameDescription
Public propertyBitmapEffectGets or sets the BitmapEffect to apply to this DrawingGroup.
Public propertyBitmapEffectInputGets or sets the region where the DrawingGroup applies its BitmapEffect and, optionally, a BitmapSource to use as input for its BitmapEffect.
Public propertyBounds Gets the axis-aligned bounds of the drawing's contents. (Inherited from Drawing.)
Public propertyCanFreezeGets a value that indicates whether the object can be made unmodifiable. (Inherited from Freezable.)
Public propertyChildrenGets or sets the Drawing objects that are contained in this DrawingGroup.
Public propertyClipGeometryGets or sets the clip region of this DrawingGroup.
Public propertyDependencyObjectTypeGets the DependencyObjectType that wraps the CLR type of this instance.  (Inherited from DependencyObject.)
Public propertyDispatcherGets the Dispatcher this DispatcherObject is associated with. (Inherited from DispatcherObject.)
Public propertyGuidelineSetGets or sets the GuidelineSet to apply to this DrawingGroup.
Public propertyHasAnimatedPropertiesGets a value that indicates whether one or more AnimationClock objects is associated with any of this object's dependency properties. (Inherited from Animatable.)
Public propertyIsFrozenGets a value that indicates whether the object is currently modifiable. (Inherited from Freezable.)
Public propertyIsSealedGets a value that indicates whether this instance is currently sealed (read-only). (Inherited from DependencyObject.)
Public propertyOpacityGets or sets the opacity of this DrawingGroup.
Public propertyOpacityMaskGets or sets the brush used to alter the opacity of select regions of this DrawingGroup.
Public propertyTransformGets or sets the Transform that is applied to this DrawingGroup.
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  NameDescription
Public methodAppendOpens the DrawingGroup in order to populate its Children. This method enables you to append additional Children to this DrawingGroup.
Public methodApplyAnimationClock(DependencyProperty, AnimationClock)Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the SnapshotAndReplace handoff behavior is used. (Inherited from Animatable.)
Public methodApplyAnimationClock(DependencyProperty, AnimationClock, HandoffBehavior)Applies an AnimationClock to the specified DependencyProperty. If the property is already animated, the specified HandoffBehavior is used. (Inherited from Animatable.)
Public methodBeginAnimation(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.)
Public methodBeginAnimation(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.)
Public methodCheckAccessDetermines whether the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject.)
Public methodClearValue(DependencyProperty)Clears the local value of a property. The property to be cleared is specified by a DependencyProperty identifier. (Inherited from DependencyObject.)
Public methodClearValue(DependencyPropertyKey)Clears the local value of a read-only property. The property to be cleared is specified by a DependencyPropertyKey. (Inherited from DependencyObject.)
Public methodCloneCreates a modifiable deep copy of this DrawingGroup and makes deep copies of its values.
Public methodCloneCurrentValueCreates a modifiable deep copy of this DrawingGroup object and makes deep copies of its current values.
Public methodCoerceValueCoerces 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.)
Public methodEqualsDetermines whether a provided DependencyObject is equivalent to the current DependencyObject. (Inherited from DependencyObject.)
Public methodFreeze()Makes the current object unmodifiable and sets its IsFrozen property to true. (Inherited from Freezable.)
Public methodGetAnimationBaseValueReturns the non-animated value of the specified DependencyProperty. (Inherited from Animatable.)
Public methodGetAsFrozenCreates 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.)
Public methodGetCurrentValueAsFrozenCreates 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.)
Public methodGetHashCodeGets a hash code for this DependencyObject. (Inherited from DependencyObject.)
Public methodGetLocalValueEnumeratorCreates a specialized enumerator for determining which dependency properties have locally set values on this DependencyObject. (Inherited from DependencyObject.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodGetValueReturns the current effective value of a dependency property on this instance of a DependencyObject. (Inherited from DependencyObject.)
Public methodInvalidatePropertyRe-evaluates the effective value for the specified dependency property (Inherited from DependencyObject.)
Public methodOpenOpens the DrawingGroup in order to populate its Children and clears any existing Children.
Public methodReadLocalValueReturns the local value of a dependency property, if it exists. (Inherited from DependencyObject.)
Public methodSetCurrentValueSets the value of a dependency property without changing its value source. (Inherited from DependencyObject.)
Public methodSetValue(DependencyProperty, Object)Sets the local value of a dependency property, specified by its dependency property identifier. (Inherited from DependencyObject.)
Public methodSetValue(DependencyPropertyKey, Object)Sets the local value of a read-only dependency property, specified by the DependencyPropertyKey identifier of the dependency property. (Inherited from DependencyObject.)
Protected methodShouldSerializePropertyReturns a value that indicates whether serialization processes should serialize the value for the provided dependency property. (Inherited from DependencyObject.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
Public methodVerifyAccessEnforces that the calling thread has access to this DispatcherObject. (Inherited from DispatcherObject.)
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  NameDescription
Public eventChangedOccurs when the Freezable or an object it contains is modified. (Inherited from Freezable.)
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  NameDescription
Public fieldStatic memberBitmapEffectInputPropertyIdentifies the BitmapEffectInput dependency property.
Public fieldStatic memberBitmapEffectPropertyIdentifies the BitmapEffect dependency property.
Public fieldStatic memberChildrenPropertyIdentifies the Children dependency property.
Public fieldStatic memberClipGeometryPropertyIdentifies the ClipGeometry dependency property.
Public fieldStatic memberGuidelineSetPropertyIdentifies the GuidelineSet dependency property.
Public fieldStatic memberOpacityMaskPropertyIdentifies the OpacityMask dependency property.
Public fieldStatic memberOpacityPropertyIdentifies the Opacity dependency property.
Public fieldStatic memberTransformPropertyIdentifies the Transform dependency property.
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Use a DrawingGroup to combine multiple drawings into a single, composite drawing. Unlike other Drawing objects, you can apply a Transform, BitmapEffect, Opacity setting, OpacityMask, ClipGeometry, or a GuidelineSet to a DrawingGroup. The flexibility of this class enables you to create complex scenes.

Because DrawingGroup is also a Drawing, it can contain other DrawingGroup objects.

For more information about Drawing objects, see Drawing Objects Overview.

Freezable Features: Because it inherits from the Freezable class, the DrawingGroup class provides several special features: DrawingGroup objects 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 different features provided by Freezable objects, see Freezable Objects Overview.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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