用户控件创建属性 [英] user control create property

问题描述

hai

我通过继承名为Numbox的DataGridViewColumn使用datagridview创建了一个用户控件.

I have created one user controll using datagridview by inheriting DataGridViewColumn called Numbox.

我添加了一个用于输入格式的属性.我的错误是，当我在窗体上使用此控件并添加2个以上的numbox列并为一个列设置属性时，所有列都更改为相同的属性.

I have added one property for entering format. My error is when i use this control on form and add more than 2 numbox column and set property for one column, all the column is changed to the same property.

例如，当我将column1 formatstring属性更改为0.00时，column2也更改为0.00，但是我希望column2设置0.000

for eg when i change column1 formatstring property to 0.00 then column2 also changed to 0.00, but i want column2 to set 0.000

请告诉我我的代码出了什么问题.

please tell what is wrong with my code.

我使用下面的代码

  
私人共享m_FormatString作为字符串

  
Private Shared   m_FormatString As String

  公共类DataGridViewNumBoxColumn
      继承DataGridViewColumn
       Public Sub New()
           MyBase.New(New NumboxCell())
           MyBase.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight
      结束

   Public Class DataGridViewNumBoxColumn
        Inherits DataGridViewColumn
        Public Sub New()
            MyBase.New(New NumboxCell())
            MyBase.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight
        End Sub

 公共属性FormatString()作为字符串
          获取
                            返回m_FormatString
          结束获取
          设置(ByVal值作为字符串)
                             m_FormatString =值
          端套
      最终财产
   结束班

 Public Property FormatString() As String
            Get
                Return m_FormatString
            End Get
            Set(ByVal value As String)
                m_FormatString = value
            End Set
        End Property
    End Class

 

推荐答案

因为您将m_FormatString声明为共享.删除共享关键字，它将起作用.

Because you are declaring m_FormatString as shared. Remove shared keyword and it will work.

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