回答編集履歴
3
問題なし
answer
CHANGED
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@@ -30,7 +30,7 @@
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30
30
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MessageBox.Show(s);
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31
31
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```
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32
32
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33
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-
解放どうなってんのかちょっと心配だが
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33
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+
~~解放どうなってんのかちょっと心配だが~~
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34
34
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35
35
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---
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36
36
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**追記** 返り値もできた
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2
追記
answer
CHANGED
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@@ -30,4 +30,23 @@
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30
30
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MessageBox.Show(s);
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31
31
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```
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32
32
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33
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-
解放どうなってんのかちょっと心配だが
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33
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+
解放どうなってんのかちょっと心配だが
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34
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+
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35
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+
---
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36
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+
**追記** 返り値もできた
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37
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+
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38
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+
```c++
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39
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+
LPSAFEARRAY GetVs_return() {
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40
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+
CComSafeArray<BSTR> result;
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41
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std::vector <std::string> arry = { "hoge1","hoge2","hoge3" };
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42
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for (const auto& s : arry)
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43
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result.Add(A2BSTR(s.data()));
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44
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+
result.Add(A2BSTR("hoge4"));
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45
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return result.Detach();
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46
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+
}
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47
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+
```
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48
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+
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49
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+
```c#
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50
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[return: MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)]
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51
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+
internal static extern string[] GetVs_return();
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52
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```
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1
修正
answer
CHANGED
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@@ -20,7 +20,7 @@
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20
20
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```c#
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21
21
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static class MyEx {
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22
22
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[DllImport("mytest.dll")]
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23
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-
static extern void GetVs([MarshalAs(UnmanagedType.SafeArray,
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23
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+
static extern void GetVs([MarshalAs(UnmanagedType.SafeArray, SafeArraySubType=VarEnum.VT_BSTR)] out string[] strings);
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24
24
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}
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25
25
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```
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26
26
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