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---
title: "Properties"
ms.date: "03/30/2017"
f1_keywords:
- "AutoGeneratedOrientationPage"
helpviewer_keywords:
- "WPF [WPF], properties"
- "properties [WPF], about properties"
- "Windows Presentation Foundation [WPF], properties"
- "properties [WPF]"
ms.assetid: d6e0197f-f2c4-48ed-b45b-b9cdb64aab1c
---
# Properties (WPF)
Windows Presentation Foundation (WPF) provides a set of services that can be used to extend the functionality of a common language runtime (CLR) property. Collectively, these services are typically referred to as the WPF property system. A property that is backed by the WPF property system is known as a dependency property.
## In This Section
- [Dependency Properties Overview](dependency-properties-overview.md)
- [Attached Properties Overview](attached-properties-overview.md)
- [Custom Dependency Properties](custom-dependency-properties.md)
- [Dependency Property Metadata](dependency-property-metadata.md)
- [Dependency Property Callbacks and Validation](dependency-property-callbacks-and-validation.md)
- [Framework Property Metadata](framework-property-metadata.md)
- [Dependency Property Value Precedence](dependency-property-value-precedence.md)
- [Read-Only Dependency Properties](read-only-dependency-properties.md)
- [Property Value Inheritance](property-value-inheritance.md)
- [Dependency Property Security](dependency-property-security.md)
- [Safe Constructor Patterns for DependencyObjects](safe-constructor-patterns-for-dependencyobjects.md)
- [Collection-Type Dependency Properties](collection-type-dependency-properties.md)
- [XAML Loading and Dependency Properties](xaml-loading-and-dependency-properties.md)
- [How-to Topics](properties-how-to-topics.md)
## Reference
<xref:System.Windows.DependencyProperty>
<xref:System.Windows.PropertyMetadata>
<xref:System.Windows.FrameworkPropertyMetadata>
<xref:System.Windows.DependencyObject>
## Related Sections
[WPF Architecture](wpf-architecture.md)
[XAML in WPF](xaml-in-wpf.md)
[Base Elements](base-elements.md)
[Element Tree and Serialization](element-tree-and-serialization.md)
[Events](events-wpf.md)
[Input](input-wpf.md)
[Resources](resources-wpf.md)
[WPF Content Model](../controls/wpf-content-model.md)
[Threading Model](threading-model.md)