Visual Basic.NET example
 
The following topics are available:
the actual example
Remark: This example doesn't contain any business logic, it is just meant to show the possibilities and syntax of the SDK.
adding references
 
Example
 
Imports ClSdk

Module Example

    Sub Main()
        Try

            Dim oVenice  As Venice
            Dim oDossier As Dossier
            Dim oYear    As Year
            Dim oCustm   As Custm
            Dim oSales   As Sales
            Dim oBalan   As Balan
            Dim eAM As eAccessMode
            Dim oPer0, oPer1, oPer2, oPer3, oPer4, oRem As Object
            Dim sStreet, sPostal, sCity, sValue As String
            Dim dValue As Double
            Dim iSysNum As Integer

            ' Create the Venice object interface
            oVenice = New Venice

            ' Is option 'Access Management' installed?
            eAM = oVenice.GetAccessMode()

            ' Logon into Venice, allowing user interface - script written for version 13.10_ 
            If eAM = eAccessMode.amSecure Then
                oVenice.LogonSecure("13.10_", "MyApplication", eLanguage.lngNld, True, "ClSdkUser", "ClSdkPassword")
            Else
                oVenice.Logon("13.10_", "MyApplication", eLanguage.lngNld, True, "SDK", "ClSdkUser", "Software engineer")
            End If

            ' Get some Venice properties 
            Console.WriteLine("Venice user: " + oVenice.vUserName + vbCrLf + "Windows user: " + oVenice.vWindowsUser)

            ' Create DossierContext, use the default filing cabinet 'Data' and the dossier 'Exact C-Logic' 
            oDossier = oVenice.CreateDossierContext("", "Exact C-Logic")

            ' Get some Dossier properties 
            Console.WriteLine("Full path name: " + oDossier.vPath + vbCrLf + "Last financial year: " + oDossier.vLastYear.ToString())

            ' Create YearContext - 0 = last year 
            oYear = oDossier.CreateYearContext(0)

            ' Create a customer object - CanChange = true 
            oCustm = oDossier.CreateCustm(True)

            ' Seek a customer in Brugge 
            If oCustm.SeekByPostal(eSeekMode.smEqual, "8000") Then
                ' Show customer found 
                oCustm.View()

                ' Get some Customer properties 
                sStreet = oCustm.pStreet.ToString()
                sPostal = oCustm.pPostalCode.ToString()
                sCity   = oCustm.pCity.ToString()

                ' Change some Customer properties 
                oCustm.pStreet     = "SDK Street"
                oCustm.pPostalCode = 1234
                oCustm.pCity       = "SDK Town"

                ' And update the Customer Card 
                oCustm.Update(eUpdateMode.umFullReport)

                ' Show the result 
                oCustm.View()

                ' Restore original values with alternative way of setting a property 
                oCustm.SetFieldVal(eCustmFld.cusfStreet, sStreet)
                oCustm.SetFieldVal(eCustmFld.cusfPostalCode, sPostal)
                oCustm.SetFieldVal(eCustmFld.cusfCity, sCity)

                ' And update the Customer Card again 
                oCustm.Update(eUpdateMode.umFullReport)

                ' Verify if the update succeeded, using the string version of GetField 
                If sPostal <> oCustm.GetFieldStr(eCustmFld.cusfPostalCode) Then
                    Console.WriteLine("Update failed!")
                End If
            Else
                Console.WriteLine("No customer found in Brugge.")
            End If

            ' Now select a Customer using the browse list 
            iSysNum = oCustm.Browse(False)

            ' iSysNum <> 0 means a customer was selected in the browse 
            If iSysNum <> 0 Then
                ' Seek the selected record 
                If oCustm.SeekBySysNum(eSeekMode.smEqual, iSysNum) Then
                    ' and update it in a dialog 
                    oCustm.Update(eUpdateMode.umDialog)

                    ' Get the balance of the current Customer 
                    dValue = oCustm.GetBalance(0)

                    ' If a balance was returned, get the expired amounts 
                    If dValue <> 0.0 Then
                        dValue = oCustm.GetExpired(0, oPer0, oPer1, oPer2, oPer3, oPer4, oRem)

                        ' If there are open documents in period 2 or higher, show the documents 
                        If oPer2 + oPer3 + oPer4 <> 0.0 Then
                            iSysNum = oCustm.BrowseDocuments(oCustm.pNumber)

                            ' iSysNum <> 0 means a document was selected 
                            If iSysNum <> 0 Then
                                ' Create Sales Object - CanChange = false 
                                oSales = oYear.CreateSales(False)

                                ' Seek the selected document 
                                If oSales.SeekBySysNum(eSeekMode.smEqual, iSysNum) Then
                                    oSales.View()         ' and show it
                                End If
                            End If
                        End If
                    End If
                End If
            End If

            ' oSales is no longer needed
            oSales = Nothing

            ' We are interested in the turnover, so create a Balance object - CanChange = false
            oBalan = oYear.CreateBalan(False)

            ' Get the balance for all accounts starting with '70' for the complete financial year
            dValue = oBalan.GetBalance("70*", 0)

            ' Show the result
            Console.WriteLine("Total turnover: " + dValue.ToString())

            ' oBalan is no longer needed
            oBalan = Nothing

            ' Get the last Customer in the file - the parameter is redundant
            If oCustm.SeekBySysNum(eSeekMode.smLast, 0) Then
                ' Remember system number of last Customer
                iSysNum = oCustm.pSysNum

                ' Import some new Customers
                oCustm.ImportDialog()

                ' Enumerate the newly imported Customers
                If oCustm.SeekBySysNum(eSeekMode.smGreater, iSysNum) Then
                    sValue = ""
                    ' Until not EOF
                    While oCustm.GetDBStatus() = 0
                        sValue += oCustm.pName.ToString() + vbCrLf

                        ' Seek the next customer (with a greater system number)
                        oCustm.GetNext()
                    End While
                    Console.WriteLine(sValue)
                End If
            End If

            ' Done, delete the customer
            ' oCustm.Delete (eDeleteMode.dmFullReport)

            ' No need to destroy the remaining objects, they are destroyed automatically
			
        Catch ex As Exception
            Console.WriteLine("Error while executing application." + vbCrLf + "Reason:" + ex.Message + vbCrLf + "Source: " + ex.Source)
        End Try

    End Sub

End Module
 
HOW TO: Add a reference to your project (using Microsoft Visual Studio 2022 ©)
Right click your project and select 'Add' ► 'COM Reference...'.
Tick the entry 'Exact C-Logic Software Development Kit'.
Exit this dialog by clicking the 'OK' button.
A COM interop reference to ClSdk has now been added to your project.