CompositionPropertySet CompositionPropertySet CompositionPropertySet CompositionPropertySet Class

Definition

public : sealed class CompositionPropertySet : CompositionObject

struct winrt::Windows::UI::Composition::CompositionPropertySet : CompositionObject

public sealed class CompositionPropertySet : CompositionObject

Public NotInheritable Class CompositionPropertySet Inherits CompositionObject

Inheritance

CompositionObjectCompositionObject

CompositionPropertySetCompositionPropertySetCompositionPropertySetCompositionPropertySet

Attributes

ContractVersionAttribute DualApiPartitionAttribute MarshalingBehaviorAttribute ThreadingAttribute WebHostHiddenAttribute

Windows 10 requirements

Examples

void CreatePropertySet()
{
  // Create the CompositionPropertySet and insert a scalar value
  CompositionPropertySet sharedPropSet = _compositor.CreatePropertySet();
  sharedPropSet.InsertScalar("offsetChange", 50f);

  // Reference value in CompositionPropertySet in an Expression
  ExpressionAnimation expression =
  _compositor.CreateExpressionAnimation("this.Target.Offset.X + shared.offsetChange");
  expression.SetReferenceParameter("shared", sharedPropSet);
}

void PropertySetRetrieve(CompositionPropertySet propertySet)
{
  // Retrieve the value of key in a CompositionPropertySet
  float tempOffset;
  propertySet.TryGetScalar("offsetChange", out tempOffset);
}
        

Remarks

CompositionPropertySet does not support a delete function – ensure you use CompositionPropertySet to store values that will be shared across the application.

Version history

Methods

Properties

See also

• CompositionObject CompositionObject
• IClosable