|
| | UsbConnection () |
| | 根据 vendorId 和 productId 初始化新类实例。此实例的目标是与 vendorId 和 productId 匹配的第一个印表机。 更多...
|
| |
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| UsbConnection (short vendorId) |
| |
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| UsbConnection (short vendorId, short productId) |
| |
| | UsbConnection (string descriptor) |
| | 根据 descriptor 字符串初始化新类实例。 更多...
|
| |
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override void | Close () |
| | Closes a connection.
|
| |
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override void | Open () |
| | Opens a connection.
|
| |
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override byte[] | Read () |
| | Read all bytes available.
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| |
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virtual void | Read (BinaryWriter binDataIn) |
| | Reads all bytes available into the stream passed in.
|
| |
| virtual void | WaitForData (int msTimeOut) |
| | 等待数据可用 BytesAvailable 在当前线程。当前线程休眠直到接收到数据或超时。阻塞调用。 更多...
|
| |
| virtual void | Write (BinaryReader binReader) |
| | 从输入流写入输出流 更多...
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| |
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override void | Write (byte[] dataOut) |
| | Writes all bytes from the array passed in.
|
| |
| virtual void | WriteAndWaitForResponse (BinaryWriter binDataIn, BinaryReader binDataOut, int responseStartTimeOut, int responseEndTimeOut, string completetionToken) |
| | 将 binDataOut 流数据写入输出流，并将接收到的数据返回到 binDataIn 流中。返回的数据是接收到的任何数据或达到接收的完成标记。如果没有响应则在返回前等待超时。 更多...
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| |
| virtual byte[] | WriteAndWaitForResponse (byte[] dataOut, int responseStartTimeOut, int responseEndTimeOut, string completetionToken) |
| | 将字节数据写入输出流并返回接收到的数据。返回的数据是接收到的任何数据或达到接收的完成标记。在返回前等待响应超时。 更多...
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| |
实现USB特定通信并扩展AComm类的类。
示例
using System;
using System.IO;
using System.Text;
namespace Snippets
{
class MyComm
{
public static void MainComm(string[] args)
{
SendPrintFile();
SendPrintString();
}
public static void SendPrintFile()
{
if (devices.Count > 0)
{
string fileName = @"C:\testFiles\Hello.pgl";
try
{
PtrUsbComm.Open();
if (File.Exists(fileName))
{
using (BinaryReader binReader = new BinaryReader(File.Open(fileName, FileMode.Open)))
{
Console.WriteLine($"Sending \"{fileName}\" to printer");
PtrUsbComm.Write(binReader);
}
}
else
{
Console.WriteLine($"File \"{fileName}\" not found");
}
}
catch (Exception e)
{
Console.WriteLine($"Exception Msg: {e.Message}");
}
finally
{
PtrUsbComm.Close();
}
}
}
public static void SendPrintString()
{
string dataToPrint =
@"~CREATE;C39;72
SCALE;DOT
PAGE;30;40
ALPHA
C10;1;33;0;0;@HELLO@
C16;54;37;0;0;@*World*@
STOP
BARCODE
C128C;XRD3:3:6:6:9:9:12:12;H6;10;32
@World@
STOP
END
~EXECUTE;C39
~NORMAL
";
if (devices.Count > 0)
{
try
{
PtrUsbComm.Open();
if (PtrUsbComm.Connected)
{
byte[] outBytes = Encoding.ASCII.GetBytes(dataToPrint);
PtrUsbComm.Write(outBytes);
}
else
{
Console.WriteLine($"Not connected to printer");
}
}
catch (Exception e)
{
Console.WriteLine($"Exception Msg: {e.Message}");
}
finally
{
PtrUsbComm.Close();
}
}
}
}
}
1.8.16