static int Main(string[] args)
{
string file;
string sheet;
string rangestart;
string rangeend;
string printer = new PrinterSettings( ).PrinterName; // Default Printer
bool usedefaultprinter = true;
switch (args.Length)
{
case 2:
file = args[0];
sheet = args[1];
break;
case 3:
file = args[0];
sheet = args[1];
printer = args[2];
usedefaultprinter = false;
break;
case 4:
file = args[0];
sheet = args[1];
rangestart = args[2];
rangeend = args[3];
break;
case 5:
file = args[0];
sheet = args[1];
rangestart = args[2];
rangeend = args[3];
printer = args[4];
usedefaultprinter = false;
break;
default:
return(ShowHelp( ));
}
// Check if Excel file exists
if (!File.Exists(file))
{
return(ShowHelp("File not found: \"{0}\"", file));
}
// Check if printer exists
bool validprinter = false;
foreach (string prn in PrinterSettings.InstalledPrinters)
{
if (prn.ToUpper( ) == printer.ToUpper( ))
{
validprinter = true;
}
}
if (!validprinter)
{
return(ShowHelp("Printer not found: \"{0}\"", printer));
}
// Open Excel
excelapp = new Excel.Application( );
excelapp.Visible = false;
excelapp.Visible = true;
excelworkbook = excelapp.Workbooks.Open(file);
// Change printer - must be done AFTER opening the excel workbook
if (!usedefaultprinter)
{
// Format printer string for Excel, e.g. "HPLaserJet on Ne01:"
string prnspl = Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Devices", printer, null).ToString( );
if (!String.IsNullOrEmpty(prnspl))
{
if (prnspl.IndexOf(',') > 0)
{
prnspl = prnspl.Substring(prnspl.IndexOf(',') + 1);
if (!String.IsNullOrEmpty(prnspl))
{
printer = String.Format("{0} on {1}", printer, prnspl);
}
}
}
try
{
excelapp.ActivePrinter = printer;
}
catch (Exception e)
{
try
{
excelworkbook.Close( );
}
catch { }
try
{
excelapp.Quit( );
}
catch { }
return(ShowHelp(e.Message));
}
}
if (Regex.IsMatch(sheet, @"^\d+$"))
{
int index = int.Parse(sheet);
if (index <= excelworkbook.Sheets.Count)
{
ExcelPrint(index);
}
else
{
excelworkbook.Close( );
excelapp.Quit( );
return(ShowHelp("Sheet index out of bound: {0} (maximum for this workbook: {1})", index.ToString( ), excelworkbook.Sheets.Count.ToString( )));
}
}
else
{
bool validsheetname = true;
for (int i = 1; i <= excelworkbook.Sheets.Count; i++)
{
Excel.Worksheet ws = excelworkbook.Worksheets[i];
if (ws.Name.ToUpper( ) == sheet.ToUpper( ))
{
validsheetname = true;
}
}
if (validsheetname)
{
ExcelPrint(sheet);
}
else
{
excelworkbook.Close( );
excelapp.Quit( );
return(ShowHelp("No matching worksheet found: \"{0}\"", sheet));
}
}
excelworkbook.Close( );
excelapp.Quit( );
return(0);
}