VC++ 如何进程名取PID

#include <windowsh>

#include <stdioh>

#include <tcharh>

#include "psapih"

void PrintProcessNameAndID( DWORD processID )

{

TCHAR szProcessName[MAX_PATH] = TEXT("<unknown>");

// Get a handle to the process

HANDLE hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |

PROCESS_VM_READ,

FALSE, processID );

// Get the process name

if (NULL != hProcess )

{

HMODULE hMod;

DWORD cbNeeded;

if ( EnumProcessModules( hProcess, &hMod, sizeof(hMod),

&cbNeeded) )

{

GetModuleBaseName( hProcess, hMod, szProcessName,

sizeof(szProcessName)/sizeof(TCHAR) );

}

}

// Print the process name and identifier

_tprintf( TEXT("%s (PID: %u)\n"), szProcessName, processID );

CloseHandle( hProcess );

}

void main( )

{

// Get the list of process identifiers

DWORD aProcesses[1024], cbNeeded, cProcesses;

unsigned int i;

if ( !EnumProcesses( aProcesses, sizeof(aProcesses), &cbNeeded ) )

return;

// Calculate how many process identifiers were returned

cProcesses = cbNeeded / sizeof(DWORD);

// Print the name and process identifier for each process

for ( i = 0; i < cProcesses; i++ )

if( aProcesses[i] != 0 )

PrintProcessNameAndID( aProcesses[i] );

}

这个是MSDN上的例子，里面包括了枚举PID与进程名，你看懂这个例子就什么都知道了。

你首先需要为VC下载一个Microsoft

Platform

SDK

for

Windows

XP

SP2，有了这个包以后，将psapih和psapilib拷贝到VC的include和lib目录，采用PSAPI编程：

1、用EnumProcesses函数列出当前所有进程

2、用OpenProcess打开进程

3、用GetProcessImageFileName函数就可以获取程序的完整目录

上面三个函数的资料在互联网上很完整，你可以用函数名作为关键字搜索一下就知道了。

下面举个例子：

#include

<windowsh>

#include

<stdioh>

#include

<tcharh>

#include

<psapih>

#pragma

comment(lib,

"psapilib")

void

PrintProcessNameAndID(

DWORD

processID

)

{

TCHAR

szProcessName[MAX_PATH]

=

TEXT("<unknown>");

TCHAR

szProcessPath[MAX_PATH]

=

TEXT("<unknown>");

//

获取进程句柄

HANDLE

hProcess

=

OpenProcess(

PROCESS_QUERY_INFORMATION

|

PROCESS_VM_READ,

FALSE,

processID

);

//

获取进程名称和路径

if

(NULL

!=

hProcess

)

{

HMODULE

hMod;

DWORD

cbNeeded;

if

(

EnumProcessModules(

hProcess,

&hMod,

sizeof(hMod),

&cbNeeded)

)

{

GetModuleBaseName(

hProcess,

hMod,

szProcessName,

sizeof(szProcessName)/sizeof(TCHAR)

);

}

GetProcessImageFileName(hProcess,

szProcessPath,

MAX_PATH);

}

//

打印进程名、进程号和路径地址

_tprintf(

TEXT("%s

(PID:

%u)

<%s>\n"),

szProcessName,

processID,

szProcessPath

);

CloseHandle(

hProcess

);

}

void

main(

)

{

//

获取进程列表

DWORD

aProcesses[1024],

cbNeeded,

cProcesses;

unsigned

int

i;

if

(

!EnumProcesses(

aProcesses,

sizeof(aProcesses),

&cbNeeded

)

)

return;

//

计算当前一共多少个活动进程

cProcesses

=

cbNeeded

/

sizeof(DWORD);

//打印进程信息

for

(

i

=

0;

i

<

cProcesses;

i++

)

if(

aProcesses[i]

!=

0

)

PrintProcessNameAndID(

aProcesses[i]

);

}

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