如何在默认打印机上打印测试页
使用 C# Winform 代码?
提前致谢
要生成内置 Windows 测试页,您还可以对 PrintUI.dll 使用 p/invoke。这是一个简单的类,可以让您执行此操作:
public static class PrintTestPageHelper
{
[DllImport("printui.dll", SetLastError = true, CharSet = CharSet.Unicode)]
private static extern void PrintUIEntryW(IntPtr hwnd,
IntPtr hinst, string lpszCmdLine, int nCmdShow);
/// <summary>
/// Print a Windows test page.
/// </summary>
/// <param name="printerName">
/// Format: \\Server\printer name, for example:
/// \\myserver\sap3
/// </param>
public static void Print(string printerName)
{
var printParams = string.Format(@"/k /n{0}", printerName);
PrintUIEntryW(IntPtr.Zero, IntPtr.Zero, printParams, 0);
}
}
public class Program
{
static void Main(string[] args)
{
PrintTestPageHelper.Print(@"\\printserver.code4life.com\sap3");
Console.WriteLine("Press enter to exit.");
Console.ReadLine();
}
}
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