1 #include "Psapi.h"
2 #pragma comment(lib, "Psapi.lib ")
//需要包含头文件哦！
1 /* 功 能：获取指定进程所对应的可执行（EXE）文件全路径
2 * 参 数：hProcess - 进程句柄。必须具有PROCESS_QUERY_INFORMATION 或者
3 PROCESS_QUERY_LIMITED_INFORMATION 权限
4 * sFilePath - 进程句柄hProcess所对应的可执行文件路径
5 * 返回值：
6 */
7 void GetProcessFilePath(IN HANDLE hProcess, OUT CString& sFilePath)
8 {
9 sFilePath = _T("");
10 TCHAR tsFileDosPath[MAX_PATH + 1];
11 ZeroMemory(tsFileDosPath, sizeof(TCHAR)*(MAX_PATH + 1));
12 if (0 == GetProcessImageFileName(hProcess, tsFileDosPath, MAX_PATH + 1))
13 {
14 return;
15 }
16
17 // 获取Logic Drive String长度
18 UINT uiLen = GetLogicalDriveStrings(0, NULL);
19 if (0 == uiLen)
20 {
21 return;
22 }
23
24 PTSTR pLogicDriveString = new TCHAR[uiLen + 1];
25 ZeroMemory(pLogicDriveString, uiLen + 1);
26 uiLen = GetLogicalDriveStrings(uiLen, pLogicDriveString);
27 if (0 == uiLen)
28 {
29 delete[]pLogicDriveString;
30 return;
31 }
32
33 TCHAR szDrive[3] = TEXT(" :");
34 PTSTR pDosDriveName = new TCHAR[MAX_PATH];
35 PTSTR pLogicIndex = pLogicDriveString;
36
37 do
38 {
39 szDrive[0] = *pLogicIndex;
40 uiLen = QueryDosDevice(szDrive, pDosDriveName, MAX_PATH);
41 if (0 == uiLen)
42 {
43 if (ERROR_INSUFFICIENT_BUFFER != GetLastError())
44 {
45 break;
46 }
47
48 delete[]pDosDriveName;
49 pDosDriveName = new TCHAR[uiLen + 1];
50 uiLen = QueryDosDevice(szDrive, pDosDriveName, uiLen + 1);
51 if (0 == uiLen)
52 {
53 break;
54 }
55 }
56
57 uiLen = _tcslen(pDosDriveName);
58 if (0 == _tcsnicmp(tsFileDosPath, pDosDriveName, uiLen))
59 {
60 sFilePath.Format(_T("%s%s"), szDrive, tsFileDosPath + uiLen);
61 break;
62 }
63
64 while (*pLogicIndex++);
65 } while (*pLogicIndex);
66
67 delete[]pLogicDriveString;
68 delete[]pDosDriveName;
69 }
