C++实现添加桌面右键新建菜单

对于程序员来说，新建一个cpp文件是再频繁不过的事情了。

为了方便，我们习惯在桌面右键新建文件，而不是新建一个文本文档，然后修改后缀名。

百度谷歌查询了一下，终于知道如何添加注册表。

手痒，抽出时间用cpp写了一个程序，方便以后操作。

客户需求是永远无法满足的，经同学测试，陆续写了三个版本。

接下来直接贴代码~

第一个版本，只能添加c、cpp、java三种后缀。

/*

* Author: Haipz

* School: HDU

* File Name: registry1.0.cpp

*/

#include <cstdio>

#include <cmath>

#include <ctime>

#include <cctype>

#include <cstring>

#include <cstdlib>

#include <climits>

#include <cfloat>

#include <iostream>

#include <vector>

#include <stack>

#include <queue>

#include <set>

#include <map>

#include <algorithm>

using namespace std;

char s[1024], buffer[128], result[1024*4];

void work_1() {

system("reg add \\"HKEY_CLASSES_ROOT\\\\.c\\\\ShellNew\\" /v \\"NullFile\\" /t REG_SZ");

}

void work_2() {

system("reg add \\"HKEY_CLASSES_ROOT\\\\.cpp\\\\ShellNew\\" /v \\"NullFile\\" /t REG_SZ");

}

void work_3() {

system("reg add \\"HKEY_CLASSES_ROOT\\\\.java\\\\ShellNew\\" /v \\"NullFile\\" /t REG_SZ");

}

int main() {

printf("Add registry for C, C++ and Java\\n");

printf("Author: Haipz\\nSchool: HDU\\n");

printf("1 for C;\\n2 for C++;\\n3 for Java.\\n");

printf("Example: 12 to add C and C++.\\n");

printf("Please make choice(s): ");

gets(s);

for (int i = 0; s[i] != '\\0'; ++i) {

printf("Working...\\n");

if (s[i] == '1') work_1();

else if (s[i] == '2') work_2();

else if (s[i] == '3') work_3();

else printf("%c is a wrong enter!\\n", s[i]);

}

system("pause");

return 0;

}

第二个版本，精简了代码，支持添加用户输入的后缀。

/*

* Author: Haipz

* School: HDU

* File Name: registry2.0.cpp

*/

#include <cstdio>

#include <cmath>

#include <ctime>

#include <cctype>

#include <cstring>

#include <cstdlib>

#include <climits>

#include <cfloat>

#include <iostream>

#include <vector>

#include <stack>

#include <queue>

#include <set>

#include <map>

#include <algorithm>

using namespace std;

char a[1024];

char b[1024] = "reg add \\"HKEY_CLASSES_ROOT\\\\.";

char c[1024] = "\\\\ShellNew\\" /v \\"NullFile\\" /t REG_SZ";

void work(char* a) {

strcat(b, a);

strcat(b, c);

system(b);

}

int main() {

printf("Function: Add registry to build a new file simply!\\n");

printf("Author: Haipz\\nSchool: HDU\\n");

printf("Example: Enter c to add C and enter cpp to add C++.\\n");

printf("Your opion: ");

gets(a);

work(a);

system("pause");

return 0;

}

第三个版本，支持多次添加，并允许删除已添加的注册表。

/*

* Author: Haipz

* School: HDU

* File Name: registry2.0.cpp

*/

#include <cstdio>

#include <cmath>

#include <ctime>

#include <cctype>

#include <cstring>

#include <cstdlib>

#include <climits>

#include <cfloat>

#include <iostream>

#include <vector>

#include <stack>

#include <queue>

#include <set>

#include <map>

#include <algorithm>

using namespace std;

char key[1024];

char a[1024];

void add(char* t) {

char b[1024] = "reg add \\"HKEY_CLASSES_ROOT\\\\.";

char c[1024] = "\\\\ShellNew\\" /v \\"NullFile\\" /t REG_SZ";

strcat(b, t);

strcat(b, c);

system(b);

}

void del(char* t) {

char d[1024] = "reg delete \\"HKEY_CLASSES_ROOT\\\\.";

char e[1024] = "\\\\ShellNew\\" /f";

strcat(d, t);

strcat(d, e);

system(d);

}

int main() {

printf("Function: Build a new file simply!\\n");

printf("Author: Haipz\\nSchool: HDU\\n");

printf("Example: Enter \\"c\\" to add C and enter \\"cpp\\" to add C++;\\n");

printf(" Enter \\"-c\\" to delete C.\\n");

do {

printf("Your opion: ");

gets(a);

if (a[0] == '-') del(a + 1);

else add(a);

printf("Enter \\"r\\" to run again or any other key to quit: ");

gets(key);

} while (key[0] == 'r');

return 0;

}

打包下载地址：

Regedity.zip

注意，如果系统提示缺少某dll文件，请到网上下载，并复制到C:\\Windows\\System32目录下。

C++实现添加桌面右键新建菜单

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