' 功能：为VB程序创建一个consolewindow。
Private Declare Function AllocConsole Lib
"kernel32" () As Long
'功能：销毁为VB程序创建的consolewindow。
Private Declare
Function FreeConsole Lib "kernel32" () As
Long
' DOS程序有三个标准文件：标准输入文件(stdin)，标准输出文件(stdout)，标准错误文件(siderr)。与此类
'似，控制台程序窗口有三个句柄：
' 输入句柄(inputhandle)—指向控制台程序的输入缓冲区
' 输出句柄(outputhandle)、错误句柄(errorhandle)—指向控制台程序的屏幕输出缓冲区
' 在能够进行输入／输出操作之前，必须用GetstdHandle函数取得consolewindow的这三个句柄。
'功能：返回consolewindow的三个句柄之一。
Private
Declare Function GetStdHandle Lib "kernel32" (ByVal nStdHandle As Long) As
Long
'nStdHandle参数说明:
Private Const INPUT_HANDLE =
-10& '返回inputhandle
Private Const OUTPUT_HANDLE = -11&
'返回outputhandle
Private Const ERROR_HANDLE =
-12& '返回errorhandle
' consolewindow并获得其input/outputhandle后，就可以利用WriteConsole和ReadConsole进行输入/输出了。
'功能: 向控制台窗口输出字符串?
'说明: hConsoleOutput—控制台的outputhandle?
'
lpBuffer—要输出的字符串?
'
nNumberOfCharsToWrite—要输出的字符串的长度?
' lpNumberofCharsWritten—实际输出的字符串的长度，可置为vbNull。
' lpReserved—保留，必须置为vbNul。
Private
Declare Function WriteConsole Lib "kernel32" Alias "WriteConsoleA"
_
(ByVal hConsoleOutput As
Long, _
lpBuffer As Any,
_
ByVal
nNumberOfCharsToWrite As Long,
_
lpNumberOfCharsWritten As
Long, _
lpReserved As Any)
As Long
'功能:
从输入缓冲区输入字符串?
' 说明：此函数是以块方式输入信息。在本文的示例中，只有用户按了Enter（回车）键后，此函数才返回。
' hConsoleInput—consolewindow的inputhandle?
' lpBuffer—输入缓冲区地址?
' nNumberOfCharsToRead—输入缓冲区的长度?
' lpNumberOfCharsRead—实际读入的字符数，可置为vbNull。
' lpReserved—保留，必须置为vbNull。
Private
Declare Function ReadConsole Lib "kernel32" Alias "ReadConsoleA"
_
(ByVal hConsoleInput As
Long, _
lpBuffer As Any,
_
ByVal nNumberOfCharsToRead
As Long,
_
lpNumberOfCharsRead As
Long, _
lpReserved As Any) As
Long
'功能: 设置控制台输入缓冲区的输人模式或屏幕输出缓冲区的输出模式?
'
说明：在用ReadConsole和WriteConsole函数行输入／输出前，要用此函数设置好输入／输出模式。
' hConsoleHandle—consolewindow的Inputhandle或outputhandle
Private
Declare Function SetConsoleMode Lib "kernel32" (ByVal hConsoleHandle As Long,
ByVal dwMode As Long) As
Long
'dwMode是要设置的输入或输出模式值。hConsoleHandle是Inputhandle时，dwMode可取如下值的组合:
Private
Const LINE_INPUT = &H2
Private Const ECHO_INPUT = &H4
Private
Const MOUSE_INPUT = &H10
Private Const PROCESSED = &H1
Sub
Main()
Call AllocConsole
Dim inputHandle As Long
Dim str As
String
Dim outputHandle As Long
str = "hello world" &
vbCrLf
outputHandle = GetStdHandle(OUTPUT_HANDLE)
Call
WriteConsole(outputHandle, ByVal str, Len(str), vbNull, vbNull)
inputHandle = GetStdHandle(INPUT_HANDLE)
Call ReadConsole(inputHandle,
vbNull, 255, vbNull, vbNull)
Call FreeConsole
End Sub