Add microphone support to demo

.editorconfig

@@ -0,0 +1,368 @@
+; EditorConfig to support per-solution formatting.
+; Use the EditorConfig VS add-in to make this work.
+; http://editorconfig.org/
+;
+; Here are some resources for what's supported for .NET/C#
+; https://kent-boogaart.com/blog/editorconfig-reference-for-c-developers
+; https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference?view=vs-2017
+;
+; Be **careful** editing this because some of the rules don't support adding a severity level
+; For instance if you change to `dotnet_sort_system_directives_first = true:warning` (adding `:warning`)
+; then the rule will be silently ignored.
+
+; This is the default for the codeline.
+root = true
+
+[*]
+indent_style = space
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.cs]
+indent_size = 4
+dotnet_sort_system_directives_first = true
+
+# Don't use this. qualifier
+dotnet_style_qualification_for_field = false:suggestion
+dotnet_style_qualification_for_property = false:suggestion
+
+# use int x = .. over Int32
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+
+# use int.MaxValue over Int32.MaxValue
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+# Require var all the time.
+csharp_style_var_for_built_in_types = true:warning
+csharp_style_var_when_type_is_apparent = true:warning
+csharp_style_var_elsewhere = true:warning
+
+# Disallow throw expressions.
+csharp_style_throw_expression = false:suggestion
+
+# Newline settings
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true
+
+# Namespace settings
+csharp_style_namespace_declarations = file_scoped:silent
+
+# Brace settings
+csharp_prefer_braces = true:silent# Prefer curly braces even for one line of code
+csharp_using_directive_placement = outside_namespace:silent
+csharp_prefer_simple_using_statement = true:warning
+csharp_style_prefer_method_group_conversion = true:silent
+csharp_style_expression_bodied_methods = false:silent
+csharp_style_expression_bodied_constructors = false:silent
+csharp_style_expression_bodied_operators = false:silent
+csharp_style_expression_bodied_properties = when_on_single_line:silent
+csharp_style_expression_bodied_indexers = when_on_single_line:silent
+csharp_style_expression_bodied_accessors = when_on_single_line:silent
+csharp_style_expression_bodied_lambdas = when_on_single_line:silent
+csharp_style_expression_bodied_local_functions = false:silent
+csharp_indent_labels = one_less_than_current
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_deconstructed_variable_declaration = true:suggestion
+csharp_space_around_binary_operators = before_and_after
+csharp_style_prefer_null_check_over_type_check = true:suggestion
+csharp_prefer_simple_default_expression = true:suggestion
+dotnet_diagnostic.IDE0021.severity = warning
+dotnet_diagnostic.IDE0022.severity = warning
+dotnet_diagnostic.IDE0023.severity = warning
+dotnet_diagnostic.IDE0024.severity = warning
+dotnet_diagnostic.IDE0025.severity = warning
+dotnet_diagnostic.IDE0026.severity = warning
+dotnet_diagnostic.IDE0027.severity = warning
+csharp_style_prefer_top_level_statements = true:silent
+csharp_style_prefer_local_over_anonymous_function = true:suggestion
+csharp_style_prefer_index_operator = true:suggestion
+csharp_style_prefer_range_operator = true:suggestion
+csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion
+csharp_style_prefer_tuple_swap = true:suggestion
+csharp_style_prefer_utf8_string_literals = true:suggestion
+csharp_style_unused_value_assignment_preference = discard_variable:suggestion
+
+[*.{xml,config,*proj,nuspec,props,resx,targets,yml,tasks}]
+indent_size = 2
+
+# Xml config files
+[*.{props,targets,ruleset,config,nuspec,resx,vsixmanifest,vsct}]
+indent_size = 2
+
+[*.json]
+indent_size = 2
+
+[*.{ps1,psm1}]
+indent_size = 4
+
+[*.sh]
+indent_size = 4
+end_of_line = lf
+
+[*.{razor,cshtml}]
+charset = utf-8-bom
+
+[*.{cs,vb}]
+
+#CA1824: Mark assemblies with NeutralResourcesLanguageAttribute
+dotnet_diagnostic.CA1824.severity = silent
+
+# CA1018: Mark attributes with AttributeUsageAttribute
+dotnet_diagnostic.CA1018.severity = warning
+
+# CA1047: Do not declare protected member in sealed type
+dotnet_diagnostic.CA1047.severity = warning
+
+# CA1305: Specify IFormatProvider
+dotnet_diagnostic.CA1305.severity = warning
+
+# CA1507: Use nameof to express symbol names
+dotnet_diagnostic.CA1507.severity = warning
+
+# CA1725: Parameter names should match base declaration
+dotnet_diagnostic.CA1725.severity = suggestion
+
+# CA1802: Use literals where appropriate
+dotnet_diagnostic.CA1802.severity = warning
+
+# CA1805: Do not initialize unnecessarily
+dotnet_diagnostic.CA1805.severity = warning
+
+# CA1810: Do not initialize unnecessarily
+dotnet_diagnostic.CA1810.severity = warning
+
+# CA1821: Remove empty Finalizers
+dotnet_diagnostic.CA1821.severity = warning
+
+# CA1822: Make member static
+dotnet_diagnostic.CA1822.severity = warning
+dotnet_code_quality.CA1822.api_surface = private, internal
+
+# CA1823: Avoid unused private fields
+dotnet_diagnostic.CA1823.severity = warning
+
+# CA1825: Avoid zero-length array allocations
+dotnet_diagnostic.CA1825.severity = warning
+
+# CA1826: Do not use Enumerable methods on indexable collections. Instead use the collection directly
+dotnet_diagnostic.CA1826.severity = warning
+
+# CA1827: Do not use Count() or LongCount() when Any() can be used
+dotnet_diagnostic.CA1827.severity = warning
+
+# CA1828: Do not use CountAsync() or LongCountAsync() when AnyAsync() can be used
+dotnet_diagnostic.CA1828.severity = warning
+
+# CA1829: Use Length/Count property instead of Count() when available
+dotnet_diagnostic.CA1829.severity = warning
+
+# CA1830: Prefer strongly-typed Append and Insert method overloads on StringBuilder
+dotnet_diagnostic.CA1830.severity = warning
+
+# CA1831: Use AsSpan or AsMemory instead of Range-based indexers when appropriate
+# CA1832: Use AsSpan or AsMemory instead of Range-based indexers when appropriate
+# CA1833: Use AsSpan or AsMemory instead of Range-based indexers when appropriate
+dotnet_diagnostic.CA1831.severity = warning
+dotnet_diagnostic.CA1832.severity = warning
+dotnet_diagnostic.CA1833.severity = warning
+
+# CA1834: Consider using 'StringBuilder.Append(char)' when applicable
+dotnet_diagnostic.CA1834.severity = warning
+
+# CA1835: Prefer the 'Memory'-based overloads for 'ReadAsync' and 'WriteAsync'
+dotnet_diagnostic.CA1835.severity = warning
+
+# CA1836: Prefer IsEmpty over Count
+dotnet_diagnostic.CA1836.severity = warning
+
+# CA1837: Use 'Environment.ProcessId'
+dotnet_diagnostic.CA1837.severity = warning
+
+# CA1838: Avoid 'StringBuilder' parameters for P/Invokes
+dotnet_diagnostic.CA1838.severity = warning
+
+# CA1839: Use 'Environment.ProcessPath'
+dotnet_diagnostic.CA1839.severity = warning
+
+# CA1840: Use 'Environment.CurrentManagedThreadId'
+dotnet_diagnostic.CA1840.severity = warning
+
+# CA1841: Prefer Dictionary.Contains methods
+dotnet_diagnostic.CA1841.severity = warning
+
+# CA1842: Do not use 'WhenAll' with a single task
+dotnet_diagnostic.CA1842.severity = warning
+
+# CA1843: Do not use 'WaitAll' with a single task
+dotnet_diagnostic.CA1843.severity = warning
+
+# CA1844: Provide memory-based overrides of async methods when subclassing 'Stream'
+dotnet_diagnostic.CA1844.severity = warning
+
+# CA1845: Use span-based 'string.Concat'
+dotnet_diagnostic.CA1845.severity = warning
+
+# CA1846: Prefer AsSpan over Substring
+dotnet_diagnostic.CA1846.severity = warning
+
+# CA1847: Use string.Contains(char) instead of string.Contains(string) with single characters
+dotnet_diagnostic.CA1847.severity = warning
+
+# CA2007: Consider calling ConfigureAwait on the awaited task
+dotnet_diagnostic.CA2007.severity = silent
+
+# CA2008: Do not create tasks without passing a TaskScheduler
+dotnet_diagnostic.CA2008.severity = warning
+
+# CA2009: Do not call ToImmutableCollection on an ImmutableCollection value
+dotnet_diagnostic.CA2009.severity = warning
+
+# CA2011: Avoid infinite recursion
+dotnet_diagnostic.CA2011.severity = warning
+
+# CA2012: Use ValueTask correctly
+dotnet_diagnostic.CA2012.severity = warning
+
+# CA2013: Do not use ReferenceEquals with value types
+dotnet_diagnostic.CA2013.severity = warning
+
+# CA2014: Do not use stackalloc in loops.
+dotnet_diagnostic.CA2014.severity = warning
+
+# CA2016: Forward the 'CancellationToken' parameter to methods that take one
+dotnet_diagnostic.CA2016.severity = warning
+
+# CA2200: Rethrow to preserve stack details
+dotnet_diagnostic.CA2200.severity = warning
+
+# CA2208: Instantiate argument exceptions correctly
+dotnet_diagnostic.CA2208.severity = warning
+
+# CA2245: Do not assign a property to itself
+dotnet_diagnostic.CA2245.severity = warning
+
+# CA2246: Assigning symbol and its member in the same statement
+dotnet_diagnostic.CA2246.severity = warning
+
+# CA2249: Use string.Contains instead of string.IndexOf to improve readability.
+dotnet_diagnostic.CA2249.severity = warning
+
+# IDE0005: Remove unnecessary usings
+dotnet_diagnostic.IDE0005.severity = warning
+
+# IDE0011: Curly braces to surround blocks of code
+dotnet_diagnostic.IDE0011.severity = warning
+
+# IDE0035: Remove unreachable code
+dotnet_diagnostic.IDE0035.severity = warning
+
+# IDE0036: Order modifiers
+csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion
+dotnet_diagnostic.IDE0036.severity = warning
+
+# IDE0043: Format string contains invalid placeholder
+dotnet_diagnostic.IDE0043.severity = warning
+
+# IDE0044: Make field readonly
+dotnet_diagnostic.IDE0044.severity = warning
+
+# IDE0051: Remove unused private members
+dotnet_diagnostic.IDE0051.severity = warning
+
+# IDE0055: All formatting rules
+dotnet_diagnostic.IDE0055.severity = suggestion
+
+# IDE0059: Unnecessary assignment to a value
+dotnet_diagnostic.IDE0059.severity = warning
+
+# IDE0060: Remove unused parameter
+dotnet_code_quality_unused_parameters = non_public
+dotnet_diagnostic.IDE0060.severity = warning
+
+# IDE0062: Make local function static
+dotnet_diagnostic.IDE0062.severity = warning
+
+# IDE0073: File header
+dotnet_diagnostic.IDE0073.severity = warning
+file_header_template = Licensed under the MIT license: https://opensource.org/licenses/MIT
+
+# IDE0161: Convert to file-scoped namespace
+dotnet_diagnostic.IDE0161.severity = warning
+
+# IDE2000: Disallow multiple blank lines
+dotnet_style_allow_multiple_blank_lines_experimental = false
+dotnet_diagnostic.IDE2000.severity = warning
+
+[*.{cs,vb}]
+#### Naming styles ####
+
+# Naming rules
+
+dotnet_naming_rule.interface_should_be_begins_with_i.severity = warning
+dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = warning
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = warning
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbol specifications
+
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interface.required_modifiers = 
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types.required_modifiers = 
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers = 
+
+# Naming styles
+
+dotnet_naming_style.begins_with_i.required_prefix = I
+dotnet_naming_style.begins_with_i.required_suffix = 
+dotnet_naming_style.begins_with_i.word_separator = 
+dotnet_naming_style.begins_with_i.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
+dotnet_style_prefer_auto_properties = true:silent
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_prefer_simplified_boolean_expressions = true:suggestion
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+dotnet_style_explicit_tuple_names = true:suggestion
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+tab_width = 4
+indent_size = 4
+end_of_line = crlf
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_qualification_for_method = false:silent
+dotnet_style_allow_statement_immediately_after_block_experimental = true:silent
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_compound_assignment = true:suggestion
+dotnet_style_prefer_simplified_interpolation = true:suggestion
+dotnet_style_namespace_match_folder = true:suggestion