public void PrinteTicketWithPath(string path)
{
try
{
streamToPrint = new StreamReader (path);
try
{
printFont = new Font("Arial", 10);
PrintDocument pd = new PrintDocument();
if (core.PrinterTicket != null)
{
pd.PrinterSettings.PrinterName = core.PrinterTicket;
}
pd.PrintPage += new PrintPageEventHandler(pd_PrintPage);
// Print the document.
pd.Print();
}
finally
{
streamToPrint.Close() ;
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
// The PrintPage event is raised for each page to be printed.
private void pd_PrintPage(object sender, PrintPageEventArgs ev)
{
float linesPerPage = 0;
float yPos = 0;
int count = 0;
float leftMargin = ev.MarginBounds.Left;
float topMargin = ev.MarginBounds.Top;
String line = null;
// Calculate the number of lines per page.
linesPerPage = ev.MarginBounds.Height /
printFont.GetHeight(ev.Graphics);
// Iterate over the file, printing each line.
while (count < linesPerPage &&
((line = streamToPrint.ReadLine()) != null))
{
yPos = topMargin + (count * printFont.GetHeight(ev.Graphics));
ev.Graphics.DrawString(line, printFont, Brushes.Black,
leftMargin, yPos, new StringFormat());
count++;
}
// If more lines exist, print another page.
if (line != null)
{
ev.HasMorePages = true;
}
else
{
ev.HasMorePages = false;
}
}
core 是个获取本地属性的类, 包括可以读取可用打印机的名字。
