C # (winform) bar code printing

39 bar code Font: c39hrp24dltt installed on the computer

First look at the control interface

Convert the bar code font

  private   void  button#click ( Object  sender, eventargs E) 
{< br> bitmap b1 =  New  Bitmap (convert. toint32 (textbox2.text), convert. toint32 (textbox3.text); 
 graphics G1 = graphics. fromimage (B1); 
 font font1 =  New  font ("   c39hrp24dltt  " , convert. toint32 (textbox4.text); 
 g1.drawstring (textbox1.text. tostring (), font1, brushes. black,  New  pointf (convert. toint32 (textbox5.text), convert. toint32 (textbox6.text); 
 picturebox1.backgroundimage = b1; 
 picturebox1.backgroundimagelayout = imagelayout. zoom; 
}

Select printdocument1 as the document attributes of pagesetupdialog1, printdialog1, and printpreviewdialog1.

Add a printpage event printdocumentemediprintpage to printdocument1.

Print settings

 
Private VoidButton2_click (ObjectSender, eventargs E)
{
This. Pagesetupdialog1.showdialog ();

}
 

Print preview

 
Private VoidButton3_click (ObjectSender, eventargs E)
{
This. Printpreviewdialog1.showdialog ();

}
 

Print

 
Private VoidButton4_click (ObjectSender, eventargs E)
{
If(This. Printdialog1.showdialog () = dialogresult. OK)
{
This. Printdocument1.print ();
}
}
 

Print content settings

         Private   Void Printdocumentemediprintpage ( Object Sender, system. Drawing. Printing. printpageeventargs E)
{
//  Print the entire form
  //  Image myformimage;
  //  Myformimage = new Bitmap (this. Width, this. Height );
  //  Graphics G = graphics. fromimage (myformimage );
  //  G. copyfromscreen (this. Location. X, this. Location. Y, 0, 0, this. size );
  //  E. Graphics. drawimage (myformimage, 0, 0 );

  // Print this. groupbox1 with local content  
 Bitmap _ newbitmap = New Bitmap (groupbox1.width, groupbox1.height );
Groupbox1.drawtobitmap (_ newbitmap, New Rectangle ( 0 , 0 , _ Newbitmap. Width, _ newbitmap. Height ));
E. Graphics. drawimage (_ newbitmap, 0 , 0 , _ Newbitmap. Width, _ newbitmap. Height );

 // Print content as custom text content  
              /*  Font font = new font ("", 12 );
Brush Bru = brushes. blue;
For (INT I = 1; I <= 5; I ++)
{
E. Graphics. drawstring ("Hello World", Font, Bru, I * 20, I * 20 );
}  */ 
}

Public form1 ()

PublicForm1 ()
{
Initializecomponent ();
This. Printdocument1.originatmargins =True;//Enable margin
This. Pagesetupdialog1.enablemetric =True;//In millimeters
}
 

No exception handling, for example, if the Print Service is not started,ProgramErrors may be reported unfriendly.

Converted to 39 bar code fonts. Supported characters include:
A-Z, 26 letters, case-insensitive, all represents big write;
0-9, 10 digits;
+-*/% $., 7 symbols;
Space, space.