#include?“PrintDll.h“
#include?
#include?	
#include?		//CString要用到的頭文件
#pragma?comment（lib??“Setupapi.lib“）
//如果PidVid相同的話，就返回1，否則返回0
//
bool?beSamePidVid（CString?strPath??CString?strPidVid）
{
	int?flag?=?strPath.Find（strPidVid）;
	if?（flag?	{
		return?false;
	}
	else
	{
		return?true;
	}
}

//
//初始化得到打印機的句柄
//
HANDLE?GetPrintHandle（）
{
	HANDLE?hCom;//初始化成功返回句柄
	CString?strShow;
	CString?strtmp;
	CString?strPath;

	//定義USB的GUID，具體GUID在哪個頭文件里，還不知道
	static?GUID?GUID_DEVINTERFACE_USB_DEVICE?=?
	{0xA5DCBF10L??0x6530??0x11D2??0x90??0x1F??0x00??0xC0??0x4F??0xB9??0x51??0xED};

	//?準備查找符合HID規范的USB設備
	HDEVINFO?hDevInfo?=?SetupDiGetClassDevs（&GUID_DEVINTERFACE_USB_DEVICENULLNULL
		DIGCF_PRESENT?|?DIGCF_DEVICEINTERFACE）;

	//?枚舉查找所有可用的USB設備接口，并找到vid_06BCpid_02F2的特定的USB設備（OKI5500F+）

	for?（int?Device_Index=0;;Device_Index++）
	{
		SP_DEVICE_INTERFACE_DATA?strtInterfaceData;
		strtInterfaceData.cbSize?=?sizeof?（SP_DEVICE_INTERFACE_DATA）;??
		BOOL?bSuccess?=?SetupDiEnumDeviceInterfaces（hDevInfoNULL&GUID_DEVINTERFACE_USB_DEVICE
			Device_Index//找到的可用的設備索引號
			&strtInterfaceData）;
		if?（!bSuccess）
		{
			if?（ERROR_NO_MORE_ITEMS?==?GetLastError（））
			{
				break;
			}
		}

		//第一次調用SetupDiGetDeviceInterfaceDetail??設置第三參數為NULL?，?以獲得長度（參數5）
		DWORD?returnsize?=?0;
		DWORD?predictedLength?=?0;
		SetupDiGetDeviceInterfaceDetail（hDevInfo&strtInterfaceData
			NULL0&returnsizeNULL）;
		predictedLength?=?returnsize;
		//第二次調用SetupDiGetDeviceInterfaceDetail?，?
		//?若找到了設備，則讀取設備路徑名
		SP_DEVICE_INTERFACE_DETAIL_DATA*?pDetailData?=?NULL;
		pDetailData?=?（PSP_INTERFACE_DEVICE_DETAIL_DATA）?malloc?（predictedLength）;?
		pDetailData->cbSize?=?sizeof（SP_DEVICE_INTERFACE_DETAIL_DATA）;
		if?（!SetupDiGetDeviceInterfaceDetail（hDevInfo&strtInterfaceData
			pDetailDatareturnsize&returnsizeNULL））
		{
			MessageBox（NULL??_T（“查找設備路徑時出錯!“）??_T（“錯誤“）??0）;
			SetupDiDestroyDeviceInfoList（hDevInfo）;
			return?INVALID_HANDLE_VALUE?;
		}

		//?找到了設備路徑

		strPath?=?pDetailData->DevicePath;

		//找特定的pid，vid
		if?（beSamePidVid（strPath??_T（“vid_06bc&pid_02f2“）））
		{
			break;
		}
	}

	//?用API函數CreateFile與設備通信
	hCom?=?CreateFile（strPathGENERIC_WRITE
		NULLNULLCREATE_ALWAYSFILE_ATTRIBUTE_NORMALNULL）;
	if?（hCom?==?INVALID_HANDLE_VALUE）
	{
		MessageBox（NULL??_T（“無法打開通信端口“）??_T（“錯誤“）??0）;
		SetupDiDestroyDeviceInfoList（hDevInfo）;
		return?INVALID_HANDLE_VALUE;
	}
	return?hCom;
}

//
//釋放句柄
//
void?ReleaseHandle（HANDLE?hCom）
{
	::CloseHandle（hCom）;
}

//
//設置相對于當前位置的打印位置
//
void?OffSetPosXY（HANDLE?hCom?int?x??int?y）//單位1/60英寸
{
	unsigned?long?cnt?=?0;

	//先處理Y坐標，在X坐標
	char?YPos[3]?=?{0x1B??0x4A??0x00};
	int?LineNum?=?0;?//需要換多少個85/60英寸		//整步
	int?LineRem?=?0;?//需要換多少個1/60英寸			//小碎步
	y?=?y?*?3;

	//如果當前換行數超過255（單位1/180英寸），則需要兩次或多次換行
	if?（y?>?255）
	{
		LineNum?=?y?/?255;
		LineRem?=?y?%?255;
	}
	else//沒超

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8385??2014-01-24?13:50??PrintDll\PrintDll.cpp

?????文件???????1765??2014-01-24?13:37??PrintDll\PrintDll.h

?????文件???????1345??2014-01-24?11:47??PrintDll\PrintDll.sln

????..A..H.?????15360??2014-01-26?13:32??PrintDll\PrintDll.suo

?????文件???????3300??2014-01-06?11:07??PrintDll\PrintDll.vcxproj

?????文件???????1067??2014-01-06?11:03??PrintDll\PrintDll.vcxproj.filters

?????文件????????143??2014-01-06?11:02??PrintDll\PrintDll.vcxproj.user

?????文件??????93696??2014-01-24?13:50??TestDll\PrintDll.dll

?????文件???????4256??2014-01-24?13:50??TestDll\PrintDll.lib

?????文件???????3013??2014-01-24?11:45??TestDll\ReadMe.txt

????.......?????67777??2009-08-31?02:31??TestDll\res\TestDll.ico

?????文件????????670??2014-01-24?11:45??TestDll\res\TestDll.rc2

?????文件???????2096??2014-01-24?13:47??TestDll\resource.h

?????文件????????140??2014-01-24?11:45??TestDll\stdafx.cpp

?????文件???????1652??2014-01-24?11:51??TestDll\stdafx.h

?????文件????????234??2014-01-24?11:45??TestDll\targetver.h

?????文件?????106032??2014-01-24?13:47??TestDll\TestDll.aps

?????文件???????2006??2014-01-24?11:45??TestDll\TestDll.cpp

?????文件????????448??2014-01-24?11:45??TestDll\TestDll.h

?????文件??????10934??2014-01-24?13:47??TestDll\TestDll.rc

?????文件???????5990??2014-01-24?12:04??TestDll\TestDll.vcxproj

?????文件???????1988??2014-01-24?11:45??TestDll\TestDll.vcxproj.filters

?????文件????????143??2014-01-24?11:45??TestDll\TestDll.vcxproj.user

?????文件???????4797??2014-01-24?13:47??TestDll\TestDllDlg.cpp

?????文件????????889??2014-01-24?13:47??TestDll\TestDllDlg.h

?????目錄??????????0??2014-01-26?14:55??PrintDll\Debug

?????目錄??????????0??2014-01-26?14:55??TestDll\Debug

?????目錄??????????0??2014-01-24?11:45??TestDll\res

?????目錄??????????0??2014-01-26?14:55??PrintDll

?????目錄??????????0??2014-01-24?13:47??TestDll

............此處省略3個文件信息