How to use VB.NET Constructor function
This article mainly introduces how to use the VB.NET Constructor function, the article is very detailed, has a certain reference value, interested friends must read it!
Object Oriented programming
That is, add Properties to the Class. The values of some attributes are limited to reading and cannot be written, while others can be written but cannot be read, but generally both.
Public Class ClassName
Private VeriableName As DataType
[Public | Private | Protected] [Property]
PropertyName () As DataType
Get
'/ /.
Return VeriableName
End Get
Set (ByVal Value As DataType)
VeriableName = Value
End Set
End Property
End Class
Attributes that can only read the number of values:
Public Class ClassName
Private VeriableName As DataType
[Public | Private | Protected] [ReadOnly]
[Property] PropertyName () As DataType
Get
'/ /.
Return VeriableName
End Get
End Property
End Class
Attributes that are limited to the number of values:
Public Class ClassName
Private VeriableName As DataType
[Public | Private | Protected] [WriteOnly]
[Property] PropertyName () As DataType
Set (ByVal Value As DataType)
VeriableName = Value
End Set
End Property
End Class
How to declare and execute certain functions at the same time of Instantiate Class, such as creating a new SqlConnection Object or declaring variables, etc. To achieve this, we use Class's VB.NET Constructor function. Here is the syntax for adding VB.NET Constructor functions to Class.
Public Class CalssName [Public] [Sub] New ()'/ /... End Sub End Class
Because this is Object Oriented programming, you can also build VB.NET Constructor functions with different arguments. But here is a little different from writing an Overloads method (Method), that is, there is no need to use the Overloads keyword to indicate that the function is an Overloads function.
Public Class CalssName [Public] [Sub] New (Byval Arguement As DataType)'/ /. End Sub End Class above is all the contents of this article entitled "how to use VB.NET Constructor functions". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!
