c# 获取非托管指针长度

时间:2016-06-15 12:35:16   收藏:0   阅读:870
public List<string> GetPDFValues()
        {
            List<string> strs = new List<string>();
            unsafe
            {
                var len = 0;
                //调用c++ 返回char**
                var a = GaussianDistributionServiceProxy.GetPDFValues();

                

                var cx = 0;
//获取char**指针长度 start
while (true) { var result = Marshal.PtrToStringAnsi((IntPtr)(*(a + cx))); if (result == null) { len = cx - 1; cx = 0; break; } cx++; }
         
//获取char**指针长度 end
//char** 转换为List<string>
for (int i = 0; i < len; i++)
{
string s = Marshal.PtrToStringAnsi((IntPtr)a[i]);
strs.Add(s); }
}
return strs;
}

 

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