/// <summary>
/// Provide print content for scenario 5 first page
/// </summary>
protected override void PreparetPrintContent()
{
if (firstPage == null)
{
firstPage = new ScenarioOutput5();
StackPanel header = (StackPanel)firstPage.FindName("header");
header.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
// Add the (newley created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
/// <summary>
/// Option change event handler
/// </summary>
/// <param name="sender">PrintTaskOptionsDetails object</param>
/// <param name="args">the event arguments containing the changed option id</param>
async void printDetailedOptions_OptionChanged(PrintTaskOptionDetails sender, PrintTaskOptionChangedEventArgs args)
{
if (args.OptionId == null)
{
return;
}
string optionId = args.OptionId.ToString();
// Handle change in Page Range Option
if (optionId == "PageRange")
{
IPrintOptionDetails pageRange = sender.Options[optionId];
string pageRangeValue = pageRange.Value.ToString();
selectionMode = false;
switch (pageRangeValue)
{
case "PrintRange":
// Add PageRangeEdit custom option to the option list
sender.DisplayedOptions.Add("PageRangeEdit");
pageRangeEditVisible = true;
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
ShowContent(null);
});
break;
case "PrintSelection":
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
ScenarioOutput5 outputContent = (ScenarioOutput5)rootPage.OutputFrame.Content;
ShowContent(outputContent.SelectedText);
});
RemovePageRangeEdit(sender);
}
break;
default:
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
ShowContent(null);
});
RemovePageRangeEdit(sender);
break;
}
Refresh();
}
else if (optionId == "PageRangeEdit")
{
IPrintOptionDetails pageRange = sender.Options[optionId];
// Expected range format (p1,p2...)*, (p3-p9)* ...
if (!Regex.IsMatch(pageRange.Value.ToString(), @"^\s*\d+\s*(\-\s*\d+\s*)?(\,\s*\d+\s*(\-\s*\d+\s*)?)*$"))
{
pageRange.ErrorText = "Invalid Page Range (eg: 1-3, 5)";
}
else
{
pageRange.ErrorText = string.Empty;
try
{
GetPagesInRange(pageRange.Value.ToString());
Refresh();
}
catch (InvalidPageException ipex)
{
pageRange.ErrorText = ipex.Message;
}
}
}
}
