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【方法】獲取字符串資源中某個字符串的長度的方法

Floor 1 巨大八爪鱼 6/20/16 21:00
#include <stdio.h>
#include <Windows.h>
#include "resource.h"

int main(void)
{
    HINSTANCE hInst = GetModuleHandle(NULL);
    LPWSTR p = NULL;
    LoadStringW(hInst, IDS_STRING101, (LPWSTR)&p, 0);
    printf("長度為: %d\n", wcslen(p));
}


Floor 2 巨大八爪鱼 6/20/16 21:02
參考資料:
https://msdn.microsoft.com/en-us/library/ms647486(VS.85).aspx

nBufferMax [in]
Type: int
The size of the buffer, in characters. The string is truncated and null-terminated if it is longer than the number of characters specified. If this parameter is 0, then lpBuffer receives a read-only pointer to the resource itself.

最後一個參數設為0,可以獲得指向字符串資源的原始指針。
只針對LoadStringW函數有效,LoadStringA不行。因為字符串資源裡面只有Unicode版本的內容,沒有ANSI版本的內容。自然就不存在指向ANSI版本內容的指針。
Floor 3 巨大八爪鱼 6/20/16 21:03

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