private DataProxy()
{
using (ISQLConnection dataSource = DataSource)
{
customersVersion = dataSource.GetCustomersVersion();
toolsVersion = dataSource.GetToolsVersion();
rentalVersion = dataSource.GetRentalVersion();
}
dbChangeCheckTimer = new Timer(10000);
dbChangeCheckTimer.Elapsed += (s, a) =>
{
dbChangeCheckTimer.Stop();
using (ISQLConnection dataSource = DataSource)
{
var actVersion = dataSource.GetCustomersVersion();
if (customersVersion != actVersion)
{
customersVersion = actVersion;
OnCustomersChanged(EventArgs.Empty);
}
actVersion = dataSource.GetToolsVersion();
if (toolsVersion != actVersion)
{
toolsVersion = actVersion;
OnToolsChanged(EventArgs.Empty);
}
actVersion = dataSource.GetRentalVersion();
if (rentalVersion != actVersion)
{
rentalVersion = actVersion;
OnRentalChanged(EventArgs.Empty);
}
}
dbChangeCheckTimer.Start();
};
dbChangeCheckTimer.Start();
}