This topic contains information about key features and improvements in the .NET Framework 4.5 Developer Preview. This topic does not provide comprehensive information and is subject to change.
New features and improvements are described as per bellow.
.NET for Metro style apps
Metro style apps are designed for specific form factors and leverage the power of the Windows operating system. A subset of the .NET Framework is available for building Metro style apps for Windows using C# or Visual Basic. This subset is called .NET APIs for Metro style apps. For more information about this subset.
Core New Features and Improvements
The following features and improvements were added to the common language runtime and to .NET Framework classes:
New features and improvements are described as per bellow.
.NET for Metro style apps
Metro style apps are designed for specific form factors and leverage the power of the Windows operating system. A subset of the .NET Framework is available for building Metro style apps for Windows using C# or Visual Basic. This subset is called .NET APIs for Metro style apps. For more information about this subset.
Core New Features and Improvements
The following features and improvements were added to the common language runtime and to .NET Framework classes:
- Ability to limit how long the regular expression engine will attempt to resolve a regular expression before it times out.
- Ability to define the culture for an application domain.
- Console support for Unicode (UTF-16) encoding.
- Support for versioning of cultural string ordering and comparison data.
- Better performance when retrieving resources.
- Zip compression improvements to reduce the size of a compressed file.
- Ability to customize a reflection context to override default reflection behavior through the CustomReflectionContext class.
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