Remove trim warnings from ComponentModel APIs that take Type as a parameter

[LakshanF]

WinForms have calls to ComponentModel APIs with a type as a parameter that gets trim warnings due to these APIs having RequiresUnreferencedCodeAttribute. Consider making trim compatible versions of these APIs, perhaps with a feature switch set.

• System.ComponentModel.TypeDescriptor.GetConverter(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type, Attribute[])
• System.ComponentModel.PropertyDescriptor.Converter.get

Note that some of these APIs have the pattern object.GetType() to get the type parameter. A fuller list of these APIs can be found,
Default_Trimmed_Warnings_wpf_attributes_excluded_ComponentModel_Type.txt

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Issue Details

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WinForms have calls to ComponentModel APIs with a type as a parameter that gets trim warnings due to these APIs having RequiresUnreferencedCodeAttribute. Consider making trim compatible versions of these APIs, perhaps with a feature switch set.

• System.ComponentModel.TypeDescriptor.GetConverter(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type, Attribute[])
• System.ComponentModel.PropertyDescriptor.Converter.get

Author:	LakshanF
Assignees:	-
Labels:	area-System.ComponentModel
Milestone:	-

[ghost]

Tagging subscribers to 'linkable-framework': @eerhardt, @vitek-karas, @LakshanF, @sbomer, @joperezr, @marek-safar
See info in area-owners.md if you want to be subscribed.

Issue Details

---

WinForms have calls to ComponentModel APIs with a type as a parameter that gets trim warnings due to these APIs having RequiresUnreferencedCodeAttribute. Consider making trim compatible versions of these APIs, perhaps with a feature switch set.

• System.ComponentModel.TypeDescriptor.GetConverter(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type)
• System.ComponentModel.TypeDescriptor.GetProperties(Type, Attribute[])
• System.ComponentModel.PropertyDescriptor.Converter.get

Note that some of these APIs have the pattern object.GetType() to get the type parameter. A fuller list of these APIs can be found,
Default_Trimmed_Warnings_wpf_attributes_excluded_ComponentModel_Type.txt

Author:	LakshanF
Assignees:	-
Labels:	area-System.ComponentModel, untriaged, linkable-framework
Milestone:	-

[steveharter]

If this is an API suggestion, please add that. For example, I assume to be trim compatible will will want generic versions of these methods.

[ghost]

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