LPWSTR 字符串转 TCHAR字符串

以下是将LPWSTR字符串转换为TCHAR字符串的两种方法：

方法1：使用MultiByteToWideChar和wcstombs函数进行转换

#include <iostream>
#include <windows.h>

char* LPWSTRToTCHAR(LPWSTR lpwstr) {
    int len = WideCharToMultiByte(CP_ACP, 0, lpwstr, -1, NULL, 0, NULL, NULL);
    char* tchar = new char[len];
    WideCharToMultiByte(CP_ACP, 0, lpwstr, -1, tchar, len, NULL, NULL);
    return tchar;
}

int main() {
    LPWSTR lpwstr = L"Hello World";    char* tchar = LPWSTRToTCHAR(lpwstr);
    std::cout << "TCHAR string: " << tchar << std::endl;
    delete[] tchar;
    return 0;
}

方法2：使用WideCharToMultiByte函数进行转换

#include <iostream>
#include <windows.h>

char* LPWSTRToTCHAR(LPWSTR lpwstr) {
    int len = WideCharToMultiByte(CP_ACP, 0, lpwstr, -1, NULL, 0, NULL, NULL);
    char* tchar = new char[len];
    WideCharToMultiByte(CP_ACP, 0, lpwstr, -1, tchar, len, NULL, NULL);
    return tchar;
}

int main() {
    LPWSTR lpwstr = L"Hello World";
    char* tchar = LPWSTRToTCHAR(lpwstr);
    std::cout << "TCHAR string: " << tchar << std::endl;
    delete[] tchar;
    return 0;
}