public class notcresizegrid

    inherits system.windows.forms.datagrid

#region " windows 窗體設計器生成的代碼 "

    public sub new()

        mybase.new()

        '該調用是 windows 窗體設計器所必需的。

        initializecomponent()

        '在 initializecomponent() 調用之后添加任何初始化

    end sub

    'usercontrol 重寫 dispose 以清理組件列表。

    protected overloads overrides sub dispose(byval disposing as boolean)

        if disposing then

            if not (components is nothing) then

                components.dispose()

            end if

        end if

        mybase.dispose(disposing)

    end sub

    'windows 窗體設計器所必需的

    private components as system.componentmodel.icontainer

    '注意：以下過程是 windows 窗體設計器所必需的

    '可以使用 windows 窗體設計器修改此過程。

    '不要使用代碼編輯器修改它。

    <system.diagnostics.debuggerstepthrough()> private sub initializecomponent()

        components = new system.componentmodel.container()

    end sub

#end region

    protected overrides sub onmousedown(byval e as system.windows.forms.mouseeventargs)

        dim hti as system.windows.forms.datagrid.hittestinfo

        hti = me.hittest(e.x, e.y)

        select case hti.type

            case datagrid.hittesttype.columnresize

                return

        end select

        mybase.onmousedown(e)

    end sub

    protected overrides sub onmousemove(byval e as system.windows.forms.mouseeventargs)

        dim hti as datagrid.hittestinfo = me.hittest(new point(e.x, e.y))

        '如果鼠標事件類型為改變列寬則返回

        if hti.type = datagrid.hittesttype.columnresize then

            cursor.current = cursors.default

            return

        end if

        mybase.onmousemove(e)

    end sub end class