连接两个宽字符串 [英] concatenating two wide character strings

问题描述

我刚写了这段代码来连接两个宽字符串。有人可以评论它看起来好吗？ （似乎至少起作用了。）

I just wrote this code to concatenate two wide characters strings. Could someone please comment if it looks OK? (seems to work at least).

1. SomeStringClass amount = Window->get_text();
2. wchar_t strAmount[100] = L"Amount: "; // I know I could remove 100 from here too
3. wchar_t *ptr = wcscat( strAmount, amount.c_str() );
4.  SomeStringClass  finalStr;
5. finalStr.set(ptr, 10 /* 10 is roughly due to length of Amount line 2*/ + amount.length());

现在，finalStr包含我的内容想要，例如，金额：123

Now, finalStr contains what I wanted, e.g., "Amount: 123"

推荐答案

SomeStringClass amount = Window->get_text();
wchar_t strAmount[100];
int swprintf(strAmount, L"Amount: %s", amount);

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