Allow projects to compile on Visual Studio 2019

.editorconfig

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+# EditorConfig is awesome:http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Don't use tabs for indentation.
+[*]
+indent_style = space
+# (Please don't specify an indent_size here; that has too many unintended consequences.)
+
+# Code files
+[*.{cs,csx,vb,vbx}]
+indent_size = 4
+insert_final_newline = true
+charset = utf-8-bom
+
+# Xml project files
+[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,ruleset,config,nuspec,resx,vsixmanifest,vsct}]
+indent_size = 2
+
+# JSON files
+[*.json]
+indent_size = 2
+
+# Dotnet code style settings:
+[*.{cs,vb}]
+# Sort using and Import directives with System.* appearing first
+dotnet_sort_system_directives_first = true
+# Avoid "this." and "Me." if not necessary
+dotnet_style_qualification_for_field = false:suggestion
+dotnet_style_qualification_for_property = false:suggestion
+dotnet_style_qualification_for_method = false:suggestion
+dotnet_style_qualification_for_event = false:suggestion
+
+# Use language keywords instead of framework type names for type references
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+# Suggest more modern language features when available
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_explicit_tuple_names = true:suggestion
+
+# CSharp code style settings:
+[*.cs]
+# Prefer "var" everywhere
+csharp_style_var_for_built_in_types = true:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = true:suggestion
+
+# Prefer method-like constructs to have a block body
+csharp_style_expression_bodied_methods = false:none
+csharp_style_expression_bodied_constructors = false:none
+csharp_style_expression_bodied_operators = false:none
+
+# Prefer property-like constructs to have an expression-body
+csharp_style_expression_bodied_properties = true:none
+csharp_style_expression_bodied_indexers = true:none
+csharp_style_expression_bodied_accessors = true:none
+
+# Suggest more modern language features when available
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_throw_expression = true:suggestion
+csharp_style_conditional_delegate_call = true:suggestion
+
+# Newline settings
+csharp_new_line_before_open_brace = anonymous_types,accessors,object_collection_array_initalizers,methods,properties,types
+csharp_new_line_before_else = false
+csharp_new_line_before_catch = false
+csharp_new_line_before_finally = false
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true

.gitattributes

@@ -1,22 +1,45 @@
-# Auto detect text files and perform LF normalization
+# Catch all for anything we forgot. Add rules if you get CRLF to LF warnings.
 * text=auto
 
-# Custom for Visual Studio
-*.cs     diff=csharp
-*.sln    merge=union
-*.csproj merge=union
-*.vbproj merge=union
-*.fsproj merge=union
-*.dbproj merge=union
+# Text files that should be normalized to LF in odb.
+*.cs     text eol=lf diff=csharp
+*.xaml   text
+*.config text
+*.c      text
+*.h      text
+*.cpp    text
+*.hpp    text
 
-# Standard to msysgit
-*.doc	 diff=astextplain
-*.DOC	 diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF	 diff=astextplain
-*.rtf	 diff=astextplain
-*.RTF	 diff=astextplain
+*.sln     text
+*.csproj  text
+*.vcxproj text
+
+*.md       text
+*.tt       text
+*.sh       text
+*.ps1      text
+*.cmd      text
+*.bat      text
+*.markdown text
+*.msbuild  text
+
+
+# Binary files that should not be normalized or diffed
+*.png    binary
+*.jpg    binary
+*.gif    binary
+*.ico    binary
+*.rc     binary
+
+*.pfx    binary
+*.snk    binary
+*.dll    binary
+*.exe    binary
+*.lib    binary
+*.exp    binary
+*.pdb    binary
+*.sdf    binary
+*.7z     binary
+
+# Generated file should just use CRLF, it's fiiine
+SolutionInfo.cs text eol=crlf diff=csharp

.github/CODEOWNERS

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+# A CODEOWNERS file uses a pattern that follows the same rules used in gitignore files.
+# The pattern is followed by one or more GitHub usernames or team names using the
+# standard @username or @org/team-name format. You can also refer to a user by an
+# email address that has been added to their GitHub account, for example user@example.com
+
+.github/*                                  @reactiveui/maintainers
+
+*                                          @reactiveui/core-team
+version.json                               @reactiveui/maintainers
+
+build.*                                    @reactiveui/devops-team
+SignPackages.*                             @reactiveui/devops-team
+NuGet.*                                    @reactiveui/devops-team
+.vsts-ci.yml                               @reactiveui/devops-team
+script/*                                   @reactiveui/devops-team
+
+samples/*                                  @reactiveui/learning-team
+snippets/*                                 @reactiveui/learning-team
+*.md                                       @reactiveui/learning-team
+
+src/ReactiveUI.AndroidSupport/*            @reactiveui/android-team
+src/ReactiveUI/Platforms/android/*         @reactiveui/android-team
+src/ReactiveUI/Platforms/apple-common/*    @reactiveui/ios-team @reactiveui/mac-team
+src/ReactiveUI/Platforms/ios/*             @reactiveui/ios-team
+src/ReactiveUI/Platforms/mac/*             @reactiveui/mac-team
+src/ReactiveUI/Platforms/net461/*          @reactiveui/wpf-team @reactiveui/winforms-team
+src/ReactiveUI/Platforms/netcoreapp2.0/*   @reactiveui/dotnetcore-team @reactiveui/webassembly-team
+src/ReactiveUI/Platforms/uap10.0.16299/*   @reactiveui/uwp-team
+src/ReactiveUI/Platforms/tizen/*           @reactiveui/tizen-team
+src/ReactiveUI/Platforms/tvos/*            @reactiveui/tvos-team
+src/ReactiveUI/Platforms/windows-common/*  @reactiveui/wpf-team @reactiveui/winforms-team @reactiveui/uwp-team
+src/ReactiveUI/Platforms/xamarin-common/*  @reactiveui/xamarin-forms-team
+
+src/ReactiveUI.Blend/*                     @reactiveui/wpf-team @reactiveui/winforms-team @reactiveui/uwp-team
+
+src/ReactiveUI.Events.WPF/*                @reactiveui/wpf-team
+src/ReactiveUI.Events.XamForms/*           @reactiveui/xamarin-forms-team
+
+src/ReactiveUI.Fody*/*                     @reactiveui/fody-team
+
+src/ReactiveUI.Winforms/*                  @reactiveui/winforms-team
+
+src/ReactiveUI.Wpf/*                       @reactiveui/wpf-team
+
+src/ReactiveUI.XamForms/*                  @reactiveui/xamarin-forms-team

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,29 @@
+_We will close your issue without comment if you delete or do not fill out the issue checklist and provide ALL the requested information. This repository's issues are reserved for feature requests and bug reports. For support questions, please ask on StackOverflow: https://stackoverflow.com/questions/tagged/reactiveui_
+
+_Please delete this note before pressing the submit button_
+
+**Do you want to request a *feature* or report a *bug*?**
+
+
+
+**What is the current behavior?**
+
+
+
+**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem**
+
+
+
+**What is the expected behavior?**
+
+
+
+**What is the motivation / use case for changing the behavior?**
+
+
+
+**Which versions of ReactiveUI, and which platform / OS are affected by this issue? Did this work in previous versions of ReativeUI? Please also test with the [latest stable](https://www.nuget.org/profiles/reactiveui) and [development snapshot](https://reactiveui.net/docs/getting-started/installation/nuget-packages/development-package-feed)**
+
+
+
+**Other information (e.g. stacktraces, related issues, suggestions how to fix)**

.github/PULL_REQUEST_TEMPLATE.md

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+**What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)**
+
+
+
+**What is the current behavior? (You can also link to an open issue here)**
+
+
+
+**What is the new behavior (if this is a feature change)?**
+
+
+
+**What might this PR break?**
+
+
+
+**Please check if the PR fulfills these requirements**
+- [ ] Tests for the changes have been added (for bug fixes / features)
+- [ ] Docs have been added / updated (for bug fixes / features)
+
+**Other information**:
+

.github/release-drafter.yml

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+template: |
+  ## What's Changed
+
+  $CHANGES

.github/stale.yml

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+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - help wanted
+  - good first issue
+  - starters
+  - bug
+  - cla-signed
+  - cla-already-signed
+  - proposal
+  - contributor-experience
+  - developer-experience
+
+# Label to use when marking an issue as stale
+staleLabel: waiting-for-response-or-contribution
+
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you want this issue progressed faster please start a conversation about raising a pull-request or [coordinating your pull-request with a maintainer](https://reactiveui.net/slack) to get it merged. Understand that [if folks like yourself don't contribute, ReactiveUI won't grow](https://reactiveui.net/blog/2018/05/reactiveui-succession). You may or may not know this but ReactiveUI is maintained by unpaid volunteers. The maintainers put up a big marketing front but at it's core is a couple of passionate folks. ReactiveUI cares about open-source sustainability as maintainers have a serious load on their shoulders. Consumers shouldn't be naive in thinking that the latest update to a nuget package just magically materializes from the ethers. These things happen because our peers make them happen. No-one wants a tragedy of the commons situation. I urge you to get involved. Thank-you.
+
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false