public async void PrintUWpAsync(string htmlSource)
{
ViewToPrint.NavigateToString(htmlSource);
if (PrintDoc != null)
{
printDoc.GetPreviewPage -= PrintDoc_GetPreviewPage;
printDoc.Paginate -= PrintDoc_Paginate;
printDoc.AddPages -= PrintDoc_AddPages;
}
this.printDoc = new PrintDocument();
try
{
printDoc.GetPreviewPage += PrintDoc_GetPreviewPage;
printDoc.Paginate += PrintDoc_Paginate;
printDoc.AddPages += PrintDoc_AddPages;
bool showprint = await PrintManager.ShowPrintUIAsync();
}
catch (Exception e)
{
Debug.WriteLine(e.ToString());
}
PrintDoc = null;
GC.Collect();
}
private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Windows.UI.Xaml.Controls.WebView wv = d as Windows.UI.Xaml.Controls.WebView;
var content = e.NewValue as string;
if (string.IsNullOrEmpty(content))
{
return;
}
wv?.NavigateToString(content);
}