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    <p>If your file data is not UTF-16 encoded, but your Edit window is using UTF-16 (because it was registered with <code>RegisterClassW()</code> or <code>RegisterClassExW()</code>), then you must either:</p> <ol> <li><p>convert the file data to UTF-16 yourself using <code>MultiByteToWideChar()</code> (or equivalent) and then use <code>SendMessageW()</code> to send <code>WM_SETTEXT</code>.</p></li> <li><p>use <code>SendMessageA()</code> to send <code>WM_SETTEXT</code> and let the OS convert the data to UTF-16 for you using the OS's default Ansi codepage (this only works if the file data matches the OS's default encoding).</p></li> </ol> <p>If your file data is UTF-16 encoded, but your Edit window is not using UTF-16 (because it was registered with <code>RegisterClassA()</code> or <code>RegisterclassExA()</code>), then you must either:</p> <ol> <li><p>convert the file data to Ansi yourself using <code>WideCharToMultiByte()</code> (or equivalent) and then use <code>SendMessageA()</code> to send <code>WM_SETTEXT</code>.</p></li> <li><p>use <code>SendMessageW()</code> to send <code>WM_SETTEXT</code> and let the OS convert the data to Ansi for you using the OS's default Ansi codepage.</p></li> </ol> <p>If your file data is UTF-16 encoded and your Edit window is using UTF-16, or if your file data is Ansi encoded and your Edit window is using Ansi and the encodings match, then you can use the generic <code>SendMessage()</code> to send <code>WM_SETTEXT</code> passing the data as-is without needing to do any conversions.</p> <p>You can use <code>IsWindowUnicode()</code> to know whether the Edit window is using Ansi or UTF-16. As for the file data, you could try using <code>IsTextUnicode()</code>, but that is known to report false results, so you really should not rely on it. Know what your file encoding is ahead of time and code for that, or else prompt the user for the file encoding.</p>
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    1. POHow to display string from LPVOID type in Edit control
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    1. USRemy Lebeau
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    1. CO+1 Comprehensive but there is **also encoding issues** (for example UTF-8 encoded file can't be directly used with an Unicode window which expects UTF-16).
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      1. USAdriano Repetti
    2. CO@Andriano: that would fall into the "Ansi file and Unicode window" portion of my answer. `MultiByteToWideChar()` can decode UTF-8 to UTF-16, by specifying the `CP_UTF8` codepage. Same with any other Ansi encoding that is installed in the OS. Or use a third-party library, like iconv or icu, which implement more encodings.
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    3. COYes, now it's more clear. I just didn't assume he can see that point because he didn't handle it.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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