我在delphi中编写usb口读写程序时,遇到了一些困难。原来用c++编写时,运用到了winioctl.h这个头文件,现在delphi中不知应当如何进行,望请高手指点。
解决方案 »
- 这是什么意思啊?
- 西安 聘兼职软件开发
- 诚邀delphi开发人员加盟,兼职也可
- 急! Delphi如何实现DataChunk?
- 如何打印相同内容到两个打印机?
- 如果让ImageList中的图标能自定义关键字,就像VB中的ImageList一样?
- Delphi xe 的Indy控件 TIdTCPServer 和 TIdTCPClient的发送接收字符串 缺省都会加上0D 0A当做分隔符
- 在delphi中调用vc写的dll时的一个问题
- 如何清空Tdblookupcombox?
- 谢谢hzb的回答,我的问题未解决,请再帮我看看。
- DELPHI的问题
- delphi2007如何做自定义控件的图标,并加入?
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
///*
* Module Name: winioctl.h
* Abstract: this module defines device IO control codes.
*/#ifndef _WINIOCTL_
#define _WINIOCTL_//
// Macro definition for defining IOCTL and FSCTL function control codes. Note
// that function codes 0-2047 are reserved for Microsoft Corporation, and
// 2048-4095 are reserved for customers.
//#define CTL_CODE( DeviceType, Function, Method, Access ) ( \
((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \
)//
// Define the method codes for how buffers are passed for I/O and FS controls
//#define METHOD_BUFFERED 0
#define METHOD_IN_DIRECT 1
#define METHOD_OUT_DIRECT 2
#define METHOD_NEITHER 3//
// Define the access check value for any access
//
//
// The FILE_READ_ACCESS and FILE_WRITE_ACCESS constants are also defined in
// ntioapi.h as FILE_READ_DATA and FILE_WRITE_DATA. The values for these
// constants *MUST* always be in sync.
//#define FILE_ANY_ACCESS 0
#define FILE_READ_ACCESS ( 0x0001 ) // file & pipe
#define FILE_WRITE_ACCESS ( 0x0002 ) // file & pipe
//
// Define the various device type values. Note that values used by Microsoft
// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
// by customers.
//#define DEVICE_TYPE ULONG#define FILE_DEVICE_BEEP 0x00000001
#define FILE_DEVICE_CD_ROM 0x00000002
#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003
#define FILE_DEVICE_CONTROLLER 0x00000004
#define FILE_DEVICE_DATALINK 0x00000005
#define FILE_DEVICE_DFS 0x00000006
#define FILE_DEVICE_DISK 0x00000007
#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008
#define FILE_DEVICE_FILE_SYSTEM 0x00000009
#define FILE_DEVICE_INPORT_PORT 0x0000000a
#define FILE_DEVICE_KEYBOARD 0x0000000b
#define FILE_DEVICE_MAILSLOT 0x0000000c
#define FILE_DEVICE_MIDI_IN 0x0000000d
#define FILE_DEVICE_MIDI_OUT 0x0000000e
#define FILE_DEVICE_MOUSE 0x0000000f
#define FILE_DEVICE_MULTI_UNC_PROVIDER 0x00000010
#define FILE_DEVICE_NAMED_PIPE 0x00000011
#define FILE_DEVICE_NETWORK 0x00000012
#define FILE_DEVICE_NETWORK_BROWSER 0x00000013
#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
#define FILE_DEVICE_NULL 0x00000015
#define FILE_DEVICE_PARALLEL_PORT 0x00000016
#define FILE_DEVICE_PHYSICAL_NETCARD 0x00000017
#define FILE_DEVICE_PRINTER 0x00000018
#define FILE_DEVICE_SCANNER 0x00000019
#define FILE_DEVICE_SERIAL_MOUSE_PORT 0x0000001a
#define FILE_DEVICE_SERIAL_PORT 0x0000001b
#define FILE_DEVICE_SCREEN 0x0000001c
#define FILE_DEVICE_SOUND 0x0000001d
#define FILE_DEVICE_STREAMS 0x0000001e
#define FILE_DEVICE_TAPE 0x0000001f
#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020
#define FILE_DEVICE_TRANSPORT 0x00000021
#define FILE_DEVICE_UNKNOWN 0x00000022
#define FILE_DEVICE_VIDEO 0x00000023
#define FILE_DEVICE_VIRTUAL_DISK 0x00000024
#define FILE_DEVICE_WAVE_IN 0x00000025
#define FILE_DEVICE_WAVE_OUT 0x00000026
#define FILE_DEVICE_8042_PORT 0x00000027
#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028
#define FILE_DEVICE_BATTERY 0x00000029
#define FILE_DEVICE_BUS_EXTENDER 0x0000002a
#define FILE_DEVICE_MODEM 0x0000002b
#define FILE_DEVICE_VDM 0x0000002c
#define FILE_DEVICE_MASS_STORAGE 0x0000002d
#define FILE_DEVICE_SMB 0x0000002e
#define FILE_DEVICE_KS 0x0000002f
#define FILE_DEVICE_CHANGER 0x00000030
#define FILE_DEVICE_SMARTCARD 0x00000031
#define FILE_DEVICE_ACPI 0x00000032
#define FILE_DEVICE_DVD 0x00000033
#define FILE_DEVICE_FULLSCREEN_VIDEO 0x00000034
#define FILE_DEVICE_DFS_FILE_SYSTEM 0x00000035
#define FILE_DEVICE_DFS_VOLUME 0x00000036//
// Windows CE Specific Defines
//
#define FILE_DEVICE_HAL 0x00000101
#define FILE_DEVICE_CONSOLE 0x00000102
#define FILE_DEVICE_PSL 0x00000103
#define FILE_DEVICE_SERVICE 0x00000104#endif // _WINIOCTL_------------------------------------------------------------------
把上面有用到的东东转换成D的定义即可。
比如:
#define FILE_DEVICE_DFS_VOLUME 0x00000036---〉const FILE_DEVICE_DFS_VOLUME=$00000036;
....