public FileOperator getFileOperator()
{
if (f_operator == null)
{
f_operator = new FileOperator();
}
return(f_operator);
}
private void button4_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Are you sure you want to write student list? ", "Exit",
MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
FileOperator f_operator = ObjectFactory.getInstance().getFileOperator();
f_operator.writeStudents(catalog);
MessageBox.Show("Student list is wrote to students.txt file.");
}
}
static void Main()
{
Application.EnableVisualStyles();
ObjectFactory factory = ObjectFactory.getInstance();
FileOperator f_operator = factory.getFileOperator();
ProjectVariables.setDBType(f_operator.readConfig());
factory.loadDLL();
Application.Run(new Form1());
}