private void AddPrintExpireOnOpen(PdfDocument doc, DateTime ExpDate)
{
ExpDate = ExpDate.ToUniversalTime();
var ExpireYear = ExpDate.Year;
var ExpireMonth = ExpDate.Month;
var ExpireDate = ExpDate.Day;
var ExpireHour = ExpDate.Hour;
var ExpireMin = ExpDate.Minute;
//https://forums.adobe.com/thread/286036?start=0&tstart=0
//http://forum.pdfsharp.net/viewtopic.php?f=2&t=368
//This javascript string has been formatted for ease of update and reading
string fullscript = @"function checkExpiration(LastYear, LastMonth, LastDate, LastHour, LastMin, LastSec, LastMS) {
// document level function to see if passed date less than today's date
// check that numbers are passed as parameters
'use strict';
if (isNaN(LastYear)) {
LastYear = 1900;
}
if (isNaN(LastMonth)) {
LastMonth = 1;
}
if (isNaN(LastDate)) {
LastDate = 1;
}
if (isNaN(LastHour)) {
LastHour = 0;
}
if (isNaN(LastMin)) {
LastMin = 0;
}
if (isNaN(LastSec)) {
LastSec = 0;
}
if (isNaN(LastMS)) {
LastMS = 0;
}
LastMonth = LastMonth - 1; // adjust the passed month to the zero based month
// make the expiration date time object a numeric value
var myDate = new Date(Date.UTC(Number(LastYear), Number(LastMonth), Number(LastDate), Number(LastHour), Number(LastMin), Number(LastSec), Number(LastMS))).valueOf(), today = new Date().valueOf(); // convert passed expiration date time to a date time object value // get the current date time's object as a numeric value
// return logical value of the comparison of the passed expiration date value to today - if true document has expired
return (myDate < today);
}
var ExpireYear = " + ExpireYear + @"; //2008
var ExpireMonth = " + ExpireMonth + @"; //March
var ExpireDate = " + ExpireDate + @"; //21st
var ExpireHour = " + ExpireHour + @"; //noon
var ExpireMin = " + ExpireMin + @"; //1
if (checkExpiration(ExpireYear, ExpireMonth, ExpireDate, ExpireHour, ExpireMin)) {
try {
this.closeDoc(1);
} catch (e) {}
app.alert('The file has expired. Contact creator to reprint the document.', 1, 0, 'Expired');
} else {
//app.alert('Expires in ' + ExpireMonth + ' ' + ExpireDate + ' ' + ExpireYear + ' ' + ExpireHour + ' ' + ExpireMin, 1, 0, 'Expires in');
this.syncAnnotScan();
var annots = this.getAnnots();
var i;
for (i = 0; i < annots.length; i += 1) {
if (annots[i].contents === 'ScreenProtector') {
annots[i].hidden = true;
}
}
this.print();
}";
string DidPrintScript = @"
this.syncAnnotScan();
var annots = this.getAnnots();
var i;
for (i = 0; i < annots.length; i += 1) {
if (annots[i].contents === 'ScreenProtector') {
annots[i].hidden = false;
}
}
try {
this.closeDoc(1);
} catch (e) {}";
/* Alternate method
//If copies are needed
//var pp = this.getPrintParams();
//pp.NumCopies=eval(1);
//this.print(pp);
PdfDictionary PrintDictionary = new PdfDictionary();
PrintDictionary.Elements["/Type"] = new PdfName("/Action");
PrintDictionary.Elements["/S"] = new PdfName("/Named");
PrintDictionary.Elements["/N"] = new PdfName("/Print");*/
PdfDictionary DidPrintJavaScriptDictionary = new PdfDictionary();
DidPrintJavaScriptDictionary.Elements["/Type"] = new PdfName("/Action");
DidPrintJavaScriptDictionary.Elements["/S"] = new PdfName("/JavaScript");
DidPrintJavaScriptDictionary.Elements.SetString("/JS", DidPrintScript);
doc.SetAdditionalAction(new PdfName("/DP"), DidPrintJavaScriptDictionary);
PdfDictionary UnhideDictionary = new PdfDictionary();
UnhideDictionary.Elements["/Type"] = new PdfName("/Action");
UnhideDictionary.Elements["/S"] = new PdfName("/JavaScript");
UnhideDictionary.Elements.SetString("/JS", fullscript);
doc.SetOpenAction(UnhideDictionary);
}
