printing - How to show printer preferences window having "Apply" button to save changes permanently in c#? -


i able show printer preferences window using code below:

string printername = cmbslideprinter.selecteditem.tostring(); bool islandscape = cmbslideprintorientation.selectedindex == 0;  //print method 3 using (var printqueue = new printqueue(new printserver(), printername)) {     var printdialog = new printdialog();     printdialog.printqueue = printqueue;      printdialog.printticket.pageorientation = islandscape ? pageorientation.landscape : pageorientation.portrait;      //set printer settings     printticketconverter ptc = new printticketconverter(printqueue.fullname, printqueue.clientprintschemaversion);     intptr mainwindowptr = new windowinterophelper(this).handle;     byte[] mydevmode = ptc.convertprinttickettodevmode(printdialog.printticket, basedevmodetype.userdefault);     gchandle pinneddevmode = gchandle.alloc(mydevmode, gchandletype.pinned);     intptr pdevmode = pinneddevmode.addrofpinnedobject();     int result = documentproperties(mainwindowptr, intptr.zero, printqueue.fullname, pdevmode, pdevmode, 14);      if (result == 1)    //changes saved     {         printdialog.printticket = ptc.convertdevmodetoprintticket(mydevmode);     }      pinneddevmode.free(); }

the printer preferences window shows has "ok" button , no "apply" button. when "ok" clicked changes not saved returned application.

but if printer preferences window shown via windows "devices , printers" folder has "apply" button , changes saved permanently on clicking "apply" or "ok" button.

what want save changes permanently latter window does. how open window permanent save functionality or save settings manually through c# code?


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