.NET 10 Preview 1 - WinForms Release Notes #9722
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First draft of release nites
I did use AI to translate to markdown from docx formats.
lonitra
reviewed
Feb 5, 2025
Co-authored-by: Loni Tra <[email protected]>
Applying the latest feedback and correcting a couple mistakes.
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| - `public void SetDataAsJson<T>(T data)` | ||
| - `public void SetDataAsJson<T>(string format, T data)` | ||
| - `public void SetDataAsJson<T>(string format, bool autoConvert, T data)` |
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public void SetDataAsJson<T>(T data)public void SetDataAsJson<T>(string format, T data)public void SetDataAsJson<T>(string format, bool autoConvert, T data)protected virtual bool TryGetDataCore<T>(string format, Func<Reflection.Metadata.TypeName, Type> resolver, bool autoConvert, out T data)
These are not interface methods, they are added on the concrete DataObject class
Suggestions:
DataObject:
public void SetDataAsJson<T>(T data)public void SetDataAsJson<T>(string format, T data)public void SetDataAsJson<T>(string format, bool autoConvert, T data)public bool TryGetData<T>(out T data);public bool TryGetData<T>(string format, out T data);public bool TryGetData<T>(string format, bool autoConvert, out T data);public bool TryGetData<T>(string format, Func<Reflection.Metadata.TypeName, Type> resolver, bool autoConvert, out T data);protected virtual bool TryGetDataCore<T>(string format, Func<Reflection.Metadata.TypeName, Type> resolver, bool autoConvert, out T data)
ITypedDataObject:
public bool TryGetData<T>(out T data);public bool TryGetData<T>(string format, out T data);public bool TryGetData<T>(string format, bool autoConvert, out T data);public bool TryGetData<T>(string format, Func<Reflection.Metadata.TypeName, Type> resolver, bool autoConvert, out T data);
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| ### New Configuration Switch | ||
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| If an application is unable to adopt the new APIs, and requires a fallback to `BinaryFormatter` serialization during Clipboard and Drag/Drop operations, the developer will need to take additional action. In .NET 9, calls to BinaryFormatter will always throw a `PlatformNotSupportedException` unless the developer follows the instructions located here: [BinaryFormatter compatibility package](https://learn.microsoft.com/dotnet/standard/serialization/binaryformatter-migration-guide/compatibility-package) . In .NET 10 Preview 1, WinForms will now also by default disable the use of BinaryFormatter as a fallback unless it is explicitly enabled with this new configuration switch. This switch is `Windows.ClipboardDragDrop.EnableUnsafeBinaryFormatterSerialization`, and it must be set to `True` for the fallback to happen successfully. |
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typo: extra white space after the closing paren.
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In .NET 10 Preview 1, WinForms will now also by default disable ... ->> In .NET 10 Preview 1, WinForms will also by default disable the use of BinaryFormatter on the application level using the same compatibility switches. Additionally, we allow developer to control BinaryFormatter usage in Clipboard only with a new compatibility switch Windows.ClipboardDragDrop.EnableUnsafeBinaryFormatterSerialization. For full compatibility application should reference the OOB package and opt in into 2 compat switches.
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Here is the first draft of our release notes for Preview 1.