我有以下代码:[谢谢迈克·罗森布鲁姆!]
using System;
using Microsoft.Office.Interop.Excel;
using System.Runtime.InteropServices;
namespace ConsoleApplication17
{
class Program
{
static void Main(string[] args)
{
//public void PrintMyExcelFile()
//{
Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application();
// Open the Workbook:
Microsoft.Office.Interop.Excel.Workbook wb = excelApp.Workbooks.Open(
@"C:\hello.xls",
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing);
// Get the first worksheet.
// (Excel uses base 1 indexing, not base 0.)
Microsoft.Office.Interop.Excel.Worksheet ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets[1];
// Print out 1 copy to the default printer:
ws.PrintOut(
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing);
// Cleanup:
GC.Collect();
GC.WaitForPendingFinalizers();
Marshal.FinalReleaseComObject(ws);
wb.Close(false, Type.Missing, Type.Missing);
Marshal.FinalReleaseComObject(wb);
excelApp.Quit();
Marshal.FinalReleaseComObject(excelApp);
}
}
}
我想要实现的是,我希望出现一个打印对话框,以便我可以根据需要选择特定的打印机,而不是立即打印我的 Excel 文件。我正在使用 Excel 的 12.0.0.0 .NET 互操作性。有人有什么想法吗?
提前致谢。
打印对话框可从 .NET 访问,并且可以在使用 12.0 PIA 的 Excel 2007 上正常运行。然而,Dialog.Show() 命令有 30 个可选参数。将来,C# 4.0 将允许省略可选参数(谢天谢地),VB.NET 也不需要它们,但如果使用 C# 3.0 或更低版本,我们必须为可选参数提供 Type.Missing。全部 30 个人:
bool userDidntCancel =
excelApp.Dialogs[Excel.XlBuiltInDialog.xlDialogPrint].Show(
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
Show()方法返回'true'表示操作成功;它返回“false”表示用户点击了取消按钮或转义 (esc) 键,因此没有发生任何操作。
希望这能让你继续前进......