visual studio - C# create outlook message with created PDF file attached -

i know, how attach created pdf file windows form data new outlook email message. following code create pdf. write in same else brackets:

else { createpdf(); //this example emailmessage(); }  private void emailmessage()     {         try         {                             outlook.mailitem mailitem = (outlook.mailitem)                 this.createitem(outlook.olitemtype.olmailitem);             mailitem.subject = "this subject";             mailitem.to = "someone@example.com";             mailitem.body = "this message.";             mailitem.importance = outlook.olimportance.olimportancelow;             mailitem.display(false);         }         catch (exception ex)         {             throw new exception("cdocument: error occurred trying create outlook email"                                 + environment.newline + ex.message);         }     }  public void createpdf() {      try     {         string imagefile = "";         system.drawing.rectangle bounds = this.bounds;         using (bitmap bitmap = new bitmap(bounds.width, bounds.height))         {             using (graphics g = graphics.fromimage(bitmap))             {                 g.copyfromscreen(new point(bounds.left, bounds.top), point.empty, bounds.size);                 //picturebox1.image();             }             //==================add firstname              if (textbox1.text != null && textbox1.text.trim() != "")             { imagefile = "c:/users/marc/desktop/" + datetime.now.tostring("dddd dd mmmm hh-mm-ss tt") + textbox1.text; }             else             { imagefile = "c:/users/marc/desktop/" + datetime.now.tostring("dddd dd mmmm hh-mm-ss tt") + "rectangle"; }               bitmap.save(imagefile + ".bmp", imageformat.bmp);             formtoimage(imagefile);         }     }     catch (exception e)     {         messagebox.show(e.message.tostring());     } }` 

to add attachment mailitem, can use attachments.add this:

mailitem.attachments.add(filename); 

where filename path on file system of file want add.

in case imagefile + ".bmp".