通过C#编程使用点阵打印机进行打印
我使用 此网站 上的 Microsoft 代码模板以及此代码片段仅打印一行和换页：
string s = "Hello world!\xC"; //\xC means form feed
PrintDialog pd = new PrintDialog();
pd.PrinterSettings = new PrinterSettings();
if (DialogResult.OK == pd.ShowDialog(this))
{
RawPrinterHelper.SendStringToPrinter(pd.PrinterSettings.PrinterName, s);
}
但不幸的是，我的纸张尺寸长总是像 A4 纸张尺寸长。
我的代码有什么问题吗？有人有解决这个问题的提示或技巧吗？
I am using the code template from Microsoft at this site with this snippet to print out only a single line and form feed:
string s = "Hello world!\xC"; //\xC means form feed
PrintDialog pd = new PrintDialog();
pd.PrinterSettings = new PrinterSettings();
if (DialogResult.OK == pd.ShowDialog(this))
{
RawPrinterHelper.SendStringToPrinter(pd.PrinterSettings.PrinterName, s);
}
But no luck, my paper size long is always like A4 paper size long.
What is wrong with my code? Do anyone got a hint or trick to deal with this problem?
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评论（1）
很难说问题可能是什么。
SendStringToPrinter最终调用WritePrinter，它应该将您发送到打印机的内容原样复制。换页应该将纸张垂直推进到下一页的开头。在这种情况下，“下一页”是由打印机定义的，打印机的配置将说明一页的长度。您是否只想使用换行符前进一行？
It's hard to say what the problem might be.
SendStringToPrinterultimately ends up callingWritePrinter, which is supposed to copy what you send it to the printer unchanged. A form feed is supposed to advance the paper vertically to the beginning of the next page. "Next page" in this case is defined by the printer, and the printer's configuration will say how long a page is.Are you perhaps wanting to advance just one line by using a line feed?