public MainWindow()
{
InitializeComponent();
Application.Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
// New search object
clsSL = new clsSearchLogic();
// New Items object
clsIL = new clsItemsLogic();
// New Main object
clsML = new clsMainLogic();
// New search class object
clsSearch = new clsSearch();
// new item class object
clsItem = new Item();
// new search object
CurrentSearch = new wndSearch();
// new items object
CurrentItems = new wndItems();
// Removing blank space in main data grid
MainDataGrid.CanUserAddRows = false;
// Removing blank space in main invoice data grid
mainInvDG.CanUserAddRows = false;
mainInvDG.IsReadOnly = true;
// Locking the edit region until the user chooses to edit an invoice
lockEditRegion();
// create invoice pane enable
createInvCV.IsEnabled = true;
// create main window invoice object
MainWindowInvoice = new clsSearch();
// Populating the item lists in the drop downs
popItemLists();
// new invoice list object
newInvoiceItems = new List <Item>();
}
