这些链接可以帮助您 -

http://wpftutorial.net/ContextMenu.html [ ^ ]

http://msdn.microsoft.com/en-us/library/system.windows.controls.contextmenu。 aspx [ ^ ]

WPF：上下文菜单列表项 [ ^ ]

i want to open system menu in my button right click.

how it is possible.

These links will help you -
http://wpftutorial.net/ContextMenu.html[^]
http://msdn.microsoft.com/en-us/library/system.windows.controls.contextmenu.aspx[^]
WPF: Context Menu on List Item[^]