本帖最后由 yuwanzhong 于 2024-12-19 21:12 编辑
关键函数： RegOpenKeyEx 打开注册表, RegEnumKeyEx, 列出子项 RegDeleteKey 删除项目（单个）
这是微软官方给的删除注册表的例子：原链接 https://learn.microsoft.com/en-us/windows/win32/sysinfo/deleting-a-key-with-subkeys
[C++] 纯文本查看 复制代码 #include <windows.h>
#include <stdio.h>
#include <strsafe.h>
//*************************************************************
//
// RegDelnodeRecurse()
//
// Purpose: Deletes a registry key and all its subkeys / values.
//
// Parameters: hKeyRoot - Root key
// lpSubKey - SubKey to delete
//
// Return: TRUE if successful.
// FALSE if an error occurs.
//
//*************************************************************
BOOL RegDelnodeRecurse (HKEY hKeyRoot, LPTSTR lpSubKey)
{
LPTSTR lpEnd;
LONG lResult;
DWORD dwSize;
TCHAR szName[MAX_PATH];
HKEY hKey;
FILETIME ftWrite;
// First, see if we can delete the key without having
// to recurse.
lResult = RegDeleteKey(hKeyRoot, lpSubKey);
if (lResult == ERROR_SUCCESS)
return TRUE;
lResult = RegOpenKeyEx (hKeyRoot, lpSubKey, 0, KEY_READ, &hKey);
if (lResult != ERROR_SUCCESS)
{
if (lResult == ERROR_FILE_NOT_FOUND) {
printf("Key not found.\n");
return TRUE;
}
else {
printf("Error opening key.\n");
return FALSE;
}
}
// Check for an ending slash and add one if it is missing.
lpEnd = lpSubKey + lstrlen(lpSubKey);
if (*(lpEnd - 1) != TEXT('\\'))
{
*lpEnd = TEXT('\\');
lpEnd++;
*lpEnd = TEXT('\0');
}
// Enumerate the keys
dwSize = MAX_PATH;
lResult = RegEnumKeyEx(hKey, 0, szName, &dwSize, NULL,
NULL, NULL, &ftWrite);
if (lResult == ERROR_SUCCESS)
{
do {
*lpEnd = TEXT('\0');
StringCchCat(lpSubKey, MAX_PATH * 2, szName);
if (!RegDelnodeRecurse(hKeyRoot, lpSubKey)) {
break;
}
dwSize = MAX_PATH;
lResult = RegEnumKeyEx(hKey, 0, szName, &dwSize, NULL,
NULL, NULL, &ftWrite);
} while (lResult == ERROR_SUCCESS);
}
lpEnd--;
*lpEnd = TEXT('\0');
RegCloseKey (hKey);
// Try again to delete the key.
lResult = RegDeleteKey(hKeyRoot, lpSubKey);
if (lResult == ERROR_SUCCESS)
return TRUE;
return FALSE;
}
//*************************************************************
//
// RegDelnode()
//
// Purpose: Deletes a registry key and all its subkeys / values.
//
// Parameters: hKeyRoot - Root key
// lpSubKey - SubKey to delete
//
// Return: TRUE if successful.
// FALSE if an error occurs.
//
//*************************************************************
BOOL RegDelnode (HKEY hKeyRoot, LPCTSTR lpSubKey)
{
TCHAR szDelKey[MAX_PATH*2];
StringCchCopy (szDelKey, MAX_PATH*2, lpSubKey);
return RegDelnodeRecurse(hKeyRoot, szDelKey);
}
int __cdecl main()
{
BOOL bSuccess;
bSuccess = RegDelnode(HKEY_CURRENT_USER, TEXT("Software\\Classes\\Interface\\{7791BBD5-704B-7DD5-7689-7B936C19F5CA}")); //编译为32位程序就不用管64位的路径，系统会自动重定向
if(bSuccess)
printf("Success!\n");
else printf("Failure.\n");
return 0;
}
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发表于 2024-12-19 20:33
发表于 2024-12-19 20:33
似乎和它加载的模型数据多少有关。
