为了使用方便,把一些操作写成了函数,以便方便调用,具体代码如下所示:
一、定义
HKEY hKey;
char content[256];//所查询注册表键值的内容
DWORD dwType=REG_SZ;//定义读取数据类型
DWORD dwLength=256;
struct HKEY__*RootKey;//注册表主键名称
TCHAR *SubKey;//欲打开注册表项的地址
TCHAR *KeyName;//欲设置项的名字
TCHAR *ValueName;//欲设置值的名称
LPBYTE SetContent_S;//字符串类型
int SetContent_D[256];//DWORD类型
BYTE SetContent_B[256];//二进制类型
int ShowContent (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName);int SetValue_S (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,LPBYTE ReSetContent_S);int SetValue_D (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,int ReSetContent_D[256]);int SetValue_B (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,BYTE ReSetContent_B[256]);int DeleteKey (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReKeyName);int DeleteValue (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName);
二、查看函数
ShowContent (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName){int i=0;//操作结果:0==succeedif(RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_READ,&hKey)==ERROR_SUCCESS){if(RegQueryValueEx(hKey,ReValueName,NULL,&dwType,(unsigned char *)content,&dwLength)!=ERROR_SUCCESS){AfxMessageBox("错误:无法查询有关的注册表信息");i=1;}RegCloseKey(hKey);}else{AfxMessageBox("错误:无法打开有关的hKEY");i=1;}return i;}
三、设置字符串值函数
SetValue_S (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,LPBYTE ReSetContent_S){int i=0;//操作结果:0==succeed//int StrLength;//StrLength=CString(SetContent_S).GetLength();if(RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_WRITE,&hKey)==ERROR_SUCCESS){if(RegSetValueEx(hKey,ReValueName,NULL,REG_SZ,ReSetContent_S,CString(SetContent_S).GetLength())!=ERROR_SUCCESS){AfxMessageBox("错误:无法设置有关的注册表信息");i=1;}RegCloseKey(hKey);}else{AfxMessageBox("错误:无法查询有关的注册表信息");i=1;}return i;}
四、设置DWORD值函数
SetValue_D (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,int ReSetContent_D[256]){int i=0;//操作结果:0==succeedif(RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_WRITE,&hKey)==ERROR_SUCCESS){if(RegSetValueEx(hKey,ReValueName,NULL,REG_DWORD,(const unsigned char *)ReSetContent_D,4)!=ERROR_SUCCESS){AfxMessageBox("错误:无法设置有关的注册表信息");i=1;}RegCloseKey(hKey);}else{AfxMessageBox("错误:无法查询有关的注册表信息");i=1;}return i;}
五、设置二进制值函数
SetValue_B (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName,BYTE ReSetContent_B[256]){int i=0;//操作结果:0==succeedif(RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_WRITE,&hKey)==ERROR_SUCCESS){if(RegSetValueEx(hKey,ReValueName,NULL,REG_BINARY,(const unsigned char *)ReSetContent_B,4)!=ERROR_SUCCESS){AfxMessageBox("错误:无法设置有关的注册表信息");i=1;}RegCloseKey(hKey);}else{AfxMessageBox("错误:无法查询有关的注册表信息");i=1;}return i;}
六、删除子项函数
DeleteKey (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReKeyName){int i=0;//操作结果:0==succeedif((RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_WRITE,&hKey))==ERROR_SUCCESS){if((RegDeleteKey(hKey,ReKeyName))!=ERROR_SUCCESS){//AfxMessageBox("清除指定项失败!");i=1;}RegCloseKey(hKey);}else{//AfxMessageBox("错误:无法打开有关的hKEY");i=1;}return i;}
七、删除键值函数
DeleteValue (struct HKEY__*ReRootKey,TCHAR *ReSubKey,TCHAR *ReValueName){int i=0;//操作结果:0==succeedif(RegOpenKeyEx(ReRootKey,ReSubKey,0,KEY_WRITE,&hKey)==ERROR_SUCCESS){if(RegDeleteValue(hKey,ReValueName)!=ERROR_SUCCESS){//AfxMessageBox("清除指定值失败!");i=1;}RegCloseKey(hKey);}else{//AfxMessageBox("错误:无法打开有关的hKEY");i=1;}return i;}
八、调用方法
void CRegDemoDlg::OnSetValue_S() //例1所使用的代码:设置字符串值{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例1"; //欲设置值的名称SetContent_S=LPBYTE("成功"); //值的内容if((SetValue_S(RootKey,SubKey,ValueName,SetContent_S))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnSetContent_B() //例2所使用的代码:设置二进制值{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例2"; //欲设置值的名称SetContent_B[0]=1; //值的内容//SetContent_B[1]=0x1B;//SetContent_B[2]=0x2C;//SetContent_B[3]=0x3D;//SetContent_B[4]=0x4E;if((SetValue_B(RootKey,SubKey,ValueName,SetContent_B))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnSetContent_D() //例3所使用的代码:设置DWORD值{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例3"; //欲设置值的名称SetContent_D[0]=4294967295; //值的内容if((SetValue_D(RootKey,SubKey,ValueName,SetContent_D))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnDeleteValue_1() //例4所使用的代码{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例1"; //欲设置值的名称if((DeleteValue (RootKey,SubKey,ValueName))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnDeleteValue_2() //例4所使用的代码{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例2"; //欲设置值的名称if((DeleteValue (RootKey,SubKey,ValueName))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnDeleteValue_3() //例4所使用的代码{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例3"; //欲设置值的名称if((DeleteValue (RootKey,SubKey,ValueName))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnDeleteKey() //例5所使用的代码{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft//Windows//CurrentVersion//Explorer"; //欲打开注册表值的地址KeyName="Doc Find Spec MRU"; //欲设置项的名称if((DeleteKey (RootKey,SubKey,KeyName))!=0)AfxMessageBox("操作失败!");}void CRegDemoDlg::OnShowContent() //例1中的[查看]{// TODO: Add your control notification handler code hereRootKey=HKEY_CURRENT_USER; //注册表主键名称SubKey="Software//Microsoft"; //欲打开注册表值的地址ValueName="例1"; //欲设置值的名称if ((ShowContent(RootKey,SubKey,ValueName))==0)MessageBox(content,"本操作是利用ShowContent()函数完成的。");
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