C++builder中注册表读写

来源：互联网发布：帝国cms验证权限编辑：程序博客网时间：2024/05/16 00:40

在C++builder中读写注册的方法如下：

#include <vcl.h>#pragma hdrstop#include <Registry.hpp>#include "Unit1.h"//---------------------------------------------------------------------------#pragma package(smart_init)#pragma resource "*.dfm"TForm1 *Form1;//---------------------------------------------------------------------------__fastcall TForm1::TForm1(TComponent* Owner)        : TForm(Owner){}//---------------------------------------------------------------------------void __fastcall TForm1::Button1Click(TObject *Sender){        TRegistry *pReg = new TRegistry();pReg->RootKey = HKEY_CURRENT_USER; // 打开主键bool r = pReg->OpenKey("Software\\Borland\\C++builder\\6.0\\Known Packages", false);        if(r)        {          //创建注册表左边的路径          if(!pReg->KeyExists("PathInfo"))                pReg->CreateKey("PathInfo");          else             ShowMessage("此键已存在");          //注册表右边：写某项值，如果不存在则创建          if(!pReg->ValueExists("C:\\Program Files\\Borland\\CBuilder6\\                                Projects\\Bpl\\ButtonGraphic.bpl"))             pReg->WriteString("C:\\Program Files\\Borland\\CBuilder6\\                              Projects\\Bpl\\ButtonGraphic.bpl","ButtonGraphic");          else             ShowMessage("此项已存在");          //注册表右边：读出某项          AnsiString reg = pReg->ReadString("C:\\Program Files\\Borland\\CBuilder6\\                           Projects\\Bpl\\ButtonGraphic.bpl");          ShowMessage(reg);        }pReg->CloseKey();        delete pReg;}//---------------------------------------------------------------------------

如果自己编写的控件要注册到IDE环境中，实际上是在注册表中相应的位置写入路径信息，即bpl的路径，然后把bpi,lib等文件复制到IDE相应的目录中去。就会在开发环境中（控件面板上）看到自己的控件了。

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