1 #include <ShlObj.h>
2 BOOL SimulateDropFile(CString strFilePath)
3 {
4 char szFile[MAX_PATH] = {0};
5 wcstombs(szFile, strFilePath.GetBuffer(0), _MAX_PATH);
6 DWORD dwBufSize = sizeof(DROPFILES) + strlen(szFile) + 1;
7
8 //通过类名或窗口标题 找到接受拖拽的窗口
9 HWND hMain = ::FindWindow(NULL, _T("XX播放器"));
10 if (hMain == NULL)
11 return FALSE;
12 BYTE* pBuf = new BYTE[dwBufSize];
13 if (pBuf == NULL)
14 return FALSE;
15
16 BOOL bResult = FALSE;
17 memset(pBuf, 0, dwBufSize);
18 DROPFILES* pDrop = (DROPFILES*)pBuf;
19 pDrop->pFiles = sizeof(DROPFILES);
20 strcpy((char*)(pBuf + sizeof(DROPFILES)), szFile);
21
22 DWORD dwProcessId = 0;
23 GetWindowThreadProcessId(hMain, &dwProcessId);
24 if (dwProcessId != NULL)
25 {
26 HANDLE hProcess = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_WRITE, FALSE, dwProcessId);
27 if (hProcess != NULL)
28 {
29 LPSTR pszRemote = (LPSTR)VirtualAllocEx(hProcess, NULL, dwBufSize, MEM_COMMIT, PAGE_READWRITE);
30 if (pszRemote && WriteProcessMemory(hProcess, pszRemote, pBuf, dwBufSize, 0))
31 {
32 ::SendMessage(hMain, WM_DROPFILES, (WPARAM)pszRemote, NULL);
33 bResult = TRUE;
34 }
35 }
36 }
37
38 if (pBuf)
39 {
40 delete[] pBuf;
41 pBuf = NULL;
42 }
43 return bResult;
44 }
在调用该函数之前，先打开接受拖拽的进程
ShellExecute(NULL, L"open", exe完整路径, NULL, NULL, SW_SHOWNORMAL);