如题,就是获取外部程序中的LISTVIEW中的内容,下面是我写的函数,结果是返回一大堆乱码,如"烫烫烫烫烫"
麻烦各位看看我的代码谢谢void GetItem(HWND hwnd)
{
int iItem = 0;
LVITEM lvitem,*plvitem;
char ItemBuf[512], *pItem;
DWORD PID;
HANDLE hProcess;
hProcess = OpenProcess(PROCESS_ALL_ACCESS,FALSE,PID);
plvitem = (LVITEM*)VirtualAllocEx(hProcess,NULL,sizeof(LVITEM),MEM_COMMIT,PAGE_READWRITE);
pItem = (char*)VirtualAllocEx(hProcess,NULL,512,MEM_COMMIT,PAGE_READWRITE);
lvitem.cchTextMax = 512;
lvitem.iSubItem = 0;
lvitem.pszText = pItem;
WriteProcessMemory(hProcess,plvitem,&lvitem,sizeof(LVITEM),NULL);
::SendMessage(hwnd,LVM_GETITEMTEXT,(WPARAM)iItem,(LPARAM)plvitem);
ReadProcessMemory(hProcess,pItem,ItemBuf,512,NULL);
MessageBox(ItemBuf);
}
麻烦各位看看我的代码谢谢void GetItem(HWND hwnd)
{
int iItem = 0;
LVITEM lvitem,*plvitem;
char ItemBuf[512], *pItem;
DWORD PID;
HANDLE hProcess;
hProcess = OpenProcess(PROCESS_ALL_ACCESS,FALSE,PID);
plvitem = (LVITEM*)VirtualAllocEx(hProcess,NULL,sizeof(LVITEM),MEM_COMMIT,PAGE_READWRITE);
pItem = (char*)VirtualAllocEx(hProcess,NULL,512,MEM_COMMIT,PAGE_READWRITE);
lvitem.cchTextMax = 512;
lvitem.iSubItem = 0;
lvitem.pszText = pItem;
WriteProcessMemory(hProcess,plvitem,&lvitem,sizeof(LVITEM),NULL);
::SendMessage(hwnd,LVM_GETITEMTEXT,(WPARAM)iItem,(LPARAM)plvitem);
ReadProcessMemory(hProcess,pItem,ItemBuf,512,NULL);
MessageBox(ItemBuf);
}
PID没有初始化。
CString CTestDlg::GetItem(HWND hwnd)
{
CString str;
DWORD processID = NULL;
GetWindowThreadProcessId(hwnd,&processID);
HANDLE process = ::OpenProcess(PROCESS_VM_OPERATION |PROCESS_VM_WRITE,FALSE,processID);
PVOID buffer = VirtualAllocEx(process,NULL,sizeof(LVITEM),MEM_COMMIT,PAGE_READWRITE); LVITEM item;
WriteProcessMemory(process,buffer,&item,sizeof(LVITEM),NULL);
::SendMessage(hwnd,LVM_GETITEMTEXT,1,(LPARAM)buffer);
ReadProcessMemory(process,buffer,&item,sizeof(LVITEM),NULL);
str = item.pszText;
VirtualFreeEx(process,buffer,sizeof(LVITEM),MEM_DECOMMIT);
return str;
}
{
const int bufferLength = 4000;
bool result = false;
DWORD processId = NULL;
GetWindowThreadProcessId(Lv, &processId);
if (processId == NULL) return false;
HANDLE process = ::OpenProcess(PROCESS_VM_OPERATION|PROCESS_VM_READ|PROCESS_VM_WRITE, FALSE, processId);
if (process == NULL) return false;
PVOID buffer = VirtualAllocEx(process, NULL, bufferLength, MEM_COMMIT, PAGE_READWRITE);
if (buffer != NULL)
{
LPLVITEM item = (LPLVITEM)new BYTE[bufferLength];
item->mask = LVIF_TEXT;
item->iSubItem = SubItem;
item->pszText = (LPTSTR)((PBYTE)buffer+sizeof(LVITEM));
item->cchTextMax = (bufferLength - sizeof(LVITEM)) / sizeof(TCHAR);
WriteProcessMemory(process, buffer, item, sizeof(LVITEM), NULL);
if (SendMessage(Lv, LVM_GETITEMTEXT, Index, (LPARAM)buffer) != 0)
{
ReadProcessMemory(process, buffer, item, 1024, NULL);
Text = (LPTSTR)((PBYTE)item+sizeof(LVITEM));
result = true;
}
delete item;
VirtualFreeEx(process, buffer, sizeof(LVITEM), MEM_DECOMMIT);
}
CloseHandle(process);
return result;
}
ReadProcessMemory(process, buffer, item, 1024, NULL);
改为:
ReadProcessMemory(process, buffer, item, bufferLength, NULL);
顺便提一下,你现在做的这个方面是Windows应用程序中比较深层的东西,没有人指导是很难实现的,所以你不会做也是很正常的。(通常的问题我是不会给出完整代码的)