Select this option if you want letter case to be taken into account when suggesting matches for code completion. Choose whether you want to match case for the first letter of for all letters.
Automatically insert single suggestions
Choose whether you want to automatically complete your code if there's just one code completion suggestion for basic and/or smart completion.
Sort suggestions alphabetically
Choose this option if you want to sort items in the suggestions list in the alphabetical order instead of sorting them by relevance.
You can change this behavior at any time by clicking the or icons in the suggestion list.
Show suggestions as you type
Select this checkbox if you want the suggestions list to be invoked automatically, without having to call completion explicitly.
Insert selected suggestion by pressing enter, dot, or other context-dependent keys
If this option is selected, JetBrains Rider will pre-select the best match in the auto-completion list to make it easier to insert — additionally to Enter and Tab, it will be also inserted when you press Space, as well as dot, open parenthesis, open bracket, semicolon, etc. (depending on the context) (completion on Space in this mode can be disabled by clearing the Whitespace inserts selected suggestion... checkbox on this page):
If this checkbox is cleared, JetBrains Rider will highlight the best match with a soft selection — you will be able to insert it by pressing Enter or Tab. If necessary, you can additionally disable completion on Enter for soft selection by clearing the Enter inserts suggestion... checkbox on this page.
Show documentation popup in
Select this checkbox to have JetBrains Rider automatically show a pop-up for each item in the suggestions list with the documentation for the class, method, or field currently highlighted in the lookup list.
In the field to the right, specify the delay (in milliseconds), after which the pop-up window should appear.
Automatically insert parenthesis after completion:
This group of options defines how parentheses are inserted when completing a method.
Show import items in basic completion
Enter inserts suggestion even if completion popup is not focused
When cleared, this option allows additionally disabling completion on pressing Enter (it will insert a new line) only when the Insert selected suggestion by pressing... option above is cleared and the best match is not pre-selected:
Whitespace inserts selected suggestion when completion popup is focused
When cleared, this option allows disabling completion on pressing Space (it will insert a whitespace) when the Insert selected suggestion by pressing... option above is enabled and the best match is pre-selected:
Show parameter name hints on completion
Select this option if you want hints for parameter values to be displayed.
Show the parameter info popup
Select this checkbox to have JetBrains Rider automatically show a pop-up with all available method signatures when an opening bracket is typed in the editor, or a method is selected from the suggestions list.
In the text field to the right, specify the delay (in milliseconds) after when the pop-up window should appear.
If this checkbox is not selected, use Ctrl+P to show parameter info.
Show full method signatures
If this checkbox is selected, the parameter info displays full signatures, including method name and returned type.