private void PrintExecute()
{
try
{
//we check if user enter valid value for number of coppies
if (!ValidationClass.NumberOfCoppiesIsValid(numberOfCopies))
{
MessageBox.Show("Morate uneti pozitivan ceo broj manji od 100.");
return;
}
//we check if user enter valid value for number of coppies
if (Int32.Parse(numberOfCopies) <= 0 || Int32.Parse(numberOfCopies) >= 100)
{
MessageBox.Show("Morate uneti pozitivan ceo broj manji od 100.");
return;
}
//if the Background is running we cant call Print commad
//program will print a message to user and command will end here
if (worker.IsBusy)
{
MessageBox.Show("Stampanje je vec u toku.");
return;
}
firstPrinting = false;
if (!worker.IsBusy)
{
//this method call DoWork method of Background Worker
DoStuff();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
