/// <remarks>
/// If you have nested PrintControllers, this method won't get called on the inner one.
/// Add initialization code to StartPrint or StartPage instead.
/// </remarks>
internal void Print(PrintDocument document)
{
// Get the PrintAction for this event
PrintAction printAction;
if (IsPreview)
{
printAction = PrintAction.PrintToPreview;
}
else
{
printAction = document.PrinterSettings.PrintToFile ? PrintAction.PrintToFile : PrintAction.PrintToPrinter;
}
// Check that user has permission to print to this particular printer
PrintEventArgs printEvent = new PrintEventArgs(printAction);
document.OnBeginPrint(printEvent);
if (printEvent.Cancel)
{
document.OnEndPrint(printEvent);
return;
}
OnStartPrint(document, printEvent);
if (printEvent.Cancel)
{
document.OnEndPrint(printEvent);
OnEndPrint(document, printEvent);
return;
}
bool canceled = true;
try
{
// To enable optimization of the preview dialog, add the following to the config file:
// <runtime >
// <!-- AppContextSwitchOverrides values are in the form of 'key1=true|false;key2=true|false -->
// <AppContextSwitchOverrides value = "Switch.System.Drawing.Printing.OptimizePrintPreview=true" />
// </runtime >
canceled = LocalAppContextSwitches.OptimizePrintPreview ? PrintLoopOptimized(document) : PrintLoop(document);
}
finally
{
try
{
document.OnEndPrint(printEvent);
printEvent.Cancel = canceled | printEvent.Cancel;
}
finally
{
OnEndPrint(document, printEvent);
}
}
}
