Enforce additional style rules.

.editorconfig

@@ -123,6 +123,7 @@ dotnet_style_predefined_type_for_locals_parameters_members = true
 
 # Use expression body for some items if on a single line.
 csharp_style_expression_bodied_local_functions = when_on_single_line
+csharp_style_expression_bodied_accessors = when_on_single_line
 
 # This rule is buggy and not enforced for builds. ':warning' will at least enforce it in the IDE.
 csharp_style_expression_bodied_lambdas = when_on_single_line:warning
@@ -136,6 +137,9 @@ dotnet_style_parentheses_in_relational_binary_operators = never_if_unnecessary
 dotnet_style_parentheses_in_other_binary_operators = always_for_clarity
 dotnet_style_parentheses_in_other_operators = never_if_unnecessary
 
+# This is the default, but the rule (IDE1005) is not triggered if this is not specified.
+csharp_style_conditional_delegate_call = true
+
 ## Others:
 
 # Show an IDE warning when default access modifiers are explicitly specified.
@@ -147,12 +151,24 @@ dotnet_diagnostic.IDE0001.severity = warning
 # Simplify member access.
 dotnet_diagnostic.IDE0002.severity = warning
 
+# Remove 'this' or 'Me' qualification.
+dotnet_diagnostic.IDE0003.severity = warning
+
 # Remove unnecessary cast.
 dotnet_diagnostic.IDE0004.severity = warning
 
+# Remove unnecessary import.
+dotnet_diagnostic.IDE0005.severity = warning
+
 # Use 'var' instead of explicit type.
 dotnet_diagnostic.IDE0007.severity = warning
 
+# Use explicit type instead of 'var'.
+dotnet_diagnostic.IDE0008.severity = warning
+
+# Add 'this' or 'Me' qualification.
+dotnet_diagnostic.IDE0009.severity = warning
+
 # Don't prefer braces (for one liners).
 dotnet_diagnostic.IDE0011.severity = silent
 
@@ -168,6 +184,9 @@ dotnet_diagnostic.IDE0019.severity = warning
 # Use pattern matching to avoid 'is' check followed by a cast (with variable).
 dotnet_diagnostic.IDE0020.severity = warning
 
+# Use expression body for accessors.
+dotnet_diagnostic.IDE0027.severity = warning
+
 # Collection initialization can be simplified.
 dotnet_diagnostic.IDE0028.severity = warning
 
@@ -216,6 +235,9 @@ dotnet_diagnostic.IDE0047.severity = warning
 # Add parentheses for clarity.
 dotnet_diagnostic.IDE0048.severity = warning
 
+# Use language keywords instead of framework type names for type references.
+dotnet_diagnostic.IDE0049.severity = warning
+
 # Remove unused private member.
 dotnet_diagnostic.IDE0051.severity = warning
 
@@ -237,12 +259,30 @@ dotnet_diagnostic.IDE0060.severity = warning
 # Use expression body for local functions.
 dotnet_diagnostic.IDE0061.severity = warning
 
+# Make struct fields writable.
+dotnet_diagnostic.IDE0064.severity = warning
+
+# Use 'System.HashCode.Combine'.
+dotnet_diagnostic.IDE0070.severity = warning
+
 # Simplify interpolation.
 dotnet_diagnostic.IDE0071.severity = warning
 
 # Simplify conditional expression.
 dotnet_diagnostic.IDE0075.severity = warning
 
+# Remove invalid global 'SuppressMessageAttribute'.
+dotnet_diagnostic.IDE0076.severity = warning
+
+# Avoid legacy format target in global 'SuppressMessageAttribute'.
+dotnet_diagnostic.IDE0077.severity = warning
+
+# Remove unnecessary suppression.
+dotnet_diagnostic.IDE0079.severity = warning
+
+# Remove unnecessary suppression operator.
+dotnet_diagnostic.IDE0080.severity = warning
+
 # Convert typeof to nameof.
 dotnet_diagnostic.IDE0082.severity = warning
 
@@ -252,12 +292,21 @@ dotnet_diagnostic.IDE0100.severity = warning
 # Simplify LINQ expression.
 dotnet_diagnostic.IDE0120.severity = warning
 
+# Use block-scoped namespace.
+dotnet_diagnostic.IDE0160.severity = warning
+
+# Use file-scoped namespace.
+dotnet_diagnostic.IDE0161.severity = warning
+
 # Use tuple to swap values.
 dotnet_diagnostic.IDE0180.severity = warning
 
 # Make struct 'readonly'.
 dotnet_diagnostic.IDE0250.severity = warning
 
+# Use conditional delegate call.
+dotnet_diagnostic.IDE1005.severity = warning
+
 # Naming rule violation.
 dotnet_diagnostic.IDE1006.severity = warning