主题：[求助]如何实现EXCEL表格一样的批注功能？对改列内容录入时起个指导作用。

参考

http://www.foxtable.com/webhelp/scr/2681.htm

If e.Col.Name = "操作性" Then
    Dim v As String = "操作应流畅，不费力"
    e.Table.ShowToolTip(v, e.Row, e.Col)
End If

mouseLeaveCell事件

static pcol As String = e.Col.name
static flag As Boolean = False
If e.Col.Name = "外观" AndAlso flag = False Then
    If pcol = e.Col.name Then
        e.Table.HideToolTip()
    Else
        Dim sdt As Date = Date.Now
        flag = True
        While Date.Now < sdt.AddSeconds(3)
            Application.DoEvents
        End While
        e.Table.HideToolTip()
        flag = False
    End If
End If
pcol = e.Col.name