Answer:
To change the background color, select the form in Visual Studio and locate the BackColor property in the Properties panel. There are a number of ways to specify a color. Color by name - Simply type in a color name into the BackColor value field (for example Red, Yellow, Cyan etc).
Explanation:
Number 2 is the correct answer
Answer:
filter
Explanation:
Some email programs let you use a filter to move incoming mail to a specific folder or to delete it automatically based on the content of the message.
The filter performs this role by either automatically deleting or moving to another location.
Most messages that are moved or deleted are unsolicited emails or spam messages.
Filtering of your mails helps so you ou can manage your incoming mail using filters to send email to a label, or archive, delete, star, or automatically forward your mail.
This is a way of organising your correspondence.