Private Sub btnAccounts_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAccounts.Click
        Dim AccPath As String
        Dim arc(3) As String
        arc(0) = "Ravi"
        arc(1) = "1234"
        arc(2) = "he"
        AccPath = My.Application.Info.DirectoryPath
        Process.Start(AccPath & "\Accounts.exe", String.Format("{0} {1} {2}", arc(0), arc(1), arc(2)))
    End Sub

Base UserControl without XAML in WPF

public class BaseName : UserControl

{

    public BaseName()

    {

     

    }

}

<control:BaseName x:class=""   xlns:x="clr-namespace/<control library path>

Note : Base class should not be abstract if name is required in the child class, 

Bind data to combobox in Android

Bind data to combobox in Android

Note : Spinner is combobox control in android. 

Spinner spinnerBox = (Spinner) findViewById(R.Id.spinner_box);
ArrayAdapter<Employees> adapterEmp = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, empolyees);
adapterEmp.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinnerBox.setAdapter(adapterEmp);