The right mouse button was long treated as nonexistent by Microsoft and many others. Only a few brave programmers connected actions to the right mouse button, and these actions were considered to be extra, optional, or advanced functions.

• 微软和其他许多公司曾经长期对鼠标右键视而不见，只有少数勇敢的程序员将一些行为与右键关联起来。 这些行为被看做是额外、备选或高级的功能。