How to implement Multiple Interface Inheritance in VB.NET
How to implement Multiple Interface Inheritance in VB.NET
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Option Explicit On
Option Strict On
Imports Microsoft.VisualBasic 'import all functionalities of Visual Basic
Imports Microsoft.VisualBasic.Compatibility.VB6 'import vb6 compatibility
Module General
Public Sub Main()
Dim aEmployee As New Employee()
Dim sMessage As String
With aEmployee
.EmpID = "1234"
.EmpName = "Hari"
.AccountNo = "AC01"
.AccountName = "Hari Srinivas Reddy"
.BankName = "HDFC"
.BankAddress = "Pune"
.BranchName = "Boat Club"
.CompanyName = "ABC LTD"
.CompanyAddress = "Pune"
.Basic = 10500
.Hra = 4400
.Ca = 5000
.Edu = 100
.Pf = 1200
sMessage = "Emp ID :" & .EmpID & vbCrLf & _
"Emp Name : " & .EmpName & vbCrLf & _
"Account No : " & .AccountNo & vbCrLf & _
"Account Name : " & .AccountName & vbCrLf & _
"Bank Name : " & .BankName & vbCrLf & _
"Bank Address : " & .BankAddress & vbCrLf & _
"Brank Name : " & .BranchName & vbCrLf & _
"Company Name: " & .CompanyName & vbCrLf & _
"Company Address: " & .CompanyAddress & vbCrLf & _
"Gross Salary : " & CStr(.GetGross) & vbCrLf & _
"Total Deductions : " & CStr(.GetDeductions) & vbCrLf & _
"Net Salary : " & CStr(.GetNetSalary)
MsgBox(sMessage, MsgBoxStyle.Information, "Check Info")
End With
aEmployee = Nothing
End Sub
End Module
'create new blank class as Accountinfo and paste the following code in it.
Option Explicit On
Option Strict On
Interface AccountInfo
Property AccountNo() As String
Property AccountName() As String
Property BankName() As String
Property BankAddress() As String
Property BranchName() As String
End Interface
'create new blank class as Company and paste the following code in it.
Option Explicit On
Option Strict On
Interface Company
Property CompanyName() As String
Property CompanyAddress() As String
End Interface
'create new blank class as Paystructure and paste the following code in it.
Option Explicit On
Option Strict On
Interface PayStructure
Property Basic() As Single
Property Hra() As Single
Property Edu() As Single
Property Ca() As Single
Property Pf() As Single
Function GetGross() As Single
Function GetNetSalary() As Single
Function GetDeductions() As Single
End Interface
'create new blank Class as Employee and paste the following code in it.
'this class implements above three interfaces
Option Explicit On
Option Strict On
Public Class Employee
Implements AccountInfo, Company, PayStructure
Private m_sAccountNo As String
Private m_sAccountName As String
Private m_sBankName As String
Private m_sBankAddress As String
Private m_sBranchName As String
Private m_sCompanyName As String
Private m_sCompanyAddress As String
Private m_sngBasic As Single
Private m_sngHra As Single
Private m_sngEdu As Single
Private m_sngCa As Single
Private m_sngPf As Single
Private m_sEmpID As String
Private m_sEmpName As String
Private m_sDepartment As String
Public Property AccountNo() As String Implements AccountInfo.AccountNo
Get
Return m_sAccountNo
End Get
Set
m_sAccountNo = Value
End Set
End Property
Public Property AccountName() As String Implements AccountInfo.Accountname
Get
Return m_sAccountName
End Get
Set
m_sAccountName = Value
End Set
End Property
Public Property BankName() As String Implements AccountInfo.BankName
Get
Return m_sBankName
End Get
Set
m_sBankName = Value
End Set
End Property
Public Property BankAddress() As String Implements AccountInfo.BankAddress
Get
Return m_sBankAddress
End Get
Set
m_sBankAddress = Value
End Set
End Property
Public Property BranchName() As String Implements AccountInfo.BranchName
Get
Return m_sBranchName
End Get
Set
m_sBranchName = Value
End Set
End Property
Public Property CompanyName() As String Implements Company.CompanyName
Get
Return m_sCompanyName
End Get
Set
m_sCompanyName = Value
End Set
End Property
Public Property CompanyAddress() As String Implements Company.CompanyAddress
Get
Return m_sCompanyAddress
End Get
Set
m_sCompanyAddress = Value
End Set
End Property
Public Property Basic() As Single Implements PayStructure.Basic
Get
Return m_sngBasic
End Get
Set
m_sngBasic = Value
End Set
End Property
Public Property Hra() As Single Implements PayStructure.Hra
Get
Return m_sngHra
End Get
Set
m_sngHra = Value
End Set
End Property
Public Property Ca() As Single Implements PayStructure.Ca
Get
Return m_sngCa
End Get
Set
m_sngCa = Value
End Set
End Property
Public Property Edu() As Single Implements PayStructure.edu
Get
Return m_sngEdu
End Get
Set
m_sngEdu = Value
End Set
End Property
Public Property Pf() As Single Implements PayStructure.pf
Get
Return m_sngPf
End Get
Set
m_sngPf = Value
End Set
End Property
Public Function GetGross() As Single Implements PayStructure.GetGross
GetGross = m_sngBasic + m_sngHra + m_sngCa + m_sngEdu
End Function
Public Function GetNetSalary() As Single Implements PayStructure.GetNetSalary
GetNetSalary = m_sngBasic + m_sngHra + m_sngCa + m_sngEdu - m_sngPf
End Function
Public Function GetDeductions() As Single Implements PayStructure.GetDeductions
GetDeductions = m_sngPf
End Function
Public Property EmpID() As String
Get
Return m_sEmpID
End Get
Set
m_sEmpID = Value
End Set
End Property
Public Property EmpName() As String
Get
Return m_sEmpName
End Get
Set
m_sEmpname = Value
End Set
End Property
Public Property Department() As String
Get
Return m_sDepartment
End Get
Set
m_sDepartment = Value
End Set
End Property
End Class
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