参考这个:How do I catch a doubleclick in my datagrid?
http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp#q869qHow can I catch a double-click into a column header cell?
http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp#q686q
http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp#q869qHow can I catch a double-click into a column header cell?
http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp#q686q
http://www.syncfusion.com/FAQ/WinForms/FAQ_c44c.asp#q869q