/// <summary>
/// 打印文本内容
/// </summary>
/// <param name="message">打印的内容</param>
/// <param name="err">2:没有开启蓝牙，3：没有连接打印机，4：butmap为null,5:程序出现异常</param>
/// <returns></returns>
public bool SendMessage(Java.Lang.String message, out int err)
{
err = 0;
if (!isopen)
{
err = 2;
return(false);
}
if (this.chatService.GetState() != BluetoothService.STATE_CONNECTED)
{
err = 3;
return(false);
}
if (message.Length() <= 0)
{
err = 4;
return(false);
}
try
{
byte[] send = message.GetBytes();
chatService.Write(send);
return(true);
}
catch
{
err = 5;
return(false);
}
// Get the message bytes and tell the BluetoothService to write
}
/// <summary>
/// 打印文本内容
/// </summary>
/// <param name="message">打印的内容</param>
/// <param name="err">2:没有开启蓝牙，3：没有连接打印机，4：butmap为null,5:程序出现异常</param>
/// <returns></returns>
public int SendMessage(Java.Lang.String message)
{
int err = 0;
if (!isopen)
{
err = (int)PrintError.OpenFailure;
return(err);
}
if (this.chatService.GetState() != BluetoothService.STATE_CONNECTED)
{
err = (int)PrintError.ConnectedFailure;
return(err);
}
if (message.Length() <= 0)
{
err = (int)PrintError.SendNull;;
return(err);
}
try
{
byte[] send = message.GetBytes();
chatService.Write(send);
err = 1;
return(err);
}
catch
{
err = (int)PrintError.SendFailure;;
return(err);
}
// Get the message bytes and tell the BluetoothService to write
}
public int SendCommand(byte[] cmd)
{
int err = 0;
try
{
if (!isopen)
{
err = (int)PrintError.OpenFailure;
return(err);
}
if (this.chatService.GetState() != BluetoothService.STATE_CONNECTED)
{
err = (int)PrintError.ConnectedFailure;
return(err);
}
if (cmd.Length <= 0)
{
err = (int)PrintError.SendNull;
return(err);
}
if (chatService.Write(cmd))
{
err = 1;
}
else
{
err = (int)PrintError.SendFailure;
}
return(err);
}
catch
{
err = (int)PrintError.SendFailure;
return(err);
}
}