为datagridviewcolumncollection创建一个新属性

问题描述

海

我想为datagridviewcolumncollection
创建一个新属性我创建了一个继承datagridviewcolumncollection
的类

Hai

I want to create a new property for datagridviewcolumncollection
I created a class which inherits datagridviewcolumncollection

Public Class NewDataCol Inherits datagridviewcolumncollection

并在此处添加了一些新属性.
之后，创建了一个继承Datagridview
的新类

and added some New property here.
after that created a new class which inherits Datagridview

Public class IGrid inherits Datagridview

我在这里使用此代码.

Here I use this code.

Private ColCollection As NewDataCol

  
    Public Overloads Property columns() As NewDataCol
        Get
            Return ColCollection
        End Get
        Set(ByVal value As NewDataCol)
            ColCollection = value
        End Set
    End Property

当我将Igrid添加到表单时，看不到任何新属性.
请告诉我怎么做.

谢谢

When i add Igrid to a form I can''t see any new property.
Please tell me how to do it.

Thanks

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