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Thread: EDITSTREAM dwError values
Started 1 year, 5 months ago by TwangGuru
Does anyone know where the error return values for the EM_STREAMIN message might be documented? The return from SendMessage() is non zero (number of characters streamed) but the value of dwError is -6. The file's content language is Dhivehi. As far as I can determine, the file is correctly streamed. The return value is NOT from our callback -- it has no possible return but 0 in this case. Any ...
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Total authors: 2 authors
Total thread posts: 3 posts
Thread activity: no new posts during last week
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TwangGuru replied 1 year, 4 months ago
Though nobody seems to have had any idea at all about this, I made a startling discovery and I'll post it just in case someone else ever has a bizarre problem with streaming in text to a rich edit control. The Windows error that I was encountering has still not been documented, but I discovered source of the error by painful "trail and error" substitution of characters in the original RTF ...
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Beekeeper replied 1 month, 3 weeks ago
You may have exceeded the limit of the 32K richedit control buffer. To increase the buffer: lResult = SendMessage (hWndEdit_, EM_EXLIMITTEXT, 0, (LPARAM) 0x80000); // 512K buffer To find out what error you have, try this: if (es.dwError) ShowErrorStr(TEXT("EM_STREAMIN"), es.dwError); void ShowErrorStr(LPTSTR lpszFunction, DWORD dw) { // Retrieve the system ...
Size: 7,300 bytes
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Top contributing authors

Name
Posts
TwangGuru
3
user's latest post:
EDITSTREAM dwError values
Published (2008-08-27 10:31:00)
Though nobody seems to have had any idea at all about this, I made a startling discovery and I'll post it just in case someone else ever has a bizarre problem with streaming in text to a rich edit control. The Windows error that I was encountering has still not been documented, but I discovered source of the error by painful &quot;trail and error&quot; substitution of characters in the original RTF as well as tedious tracing...
Beekeeper
1
user's latest post:
EDITSTREAM dwError values
Published (2009-11-11 16:38:00)
You may have exceeded the limit of the 32K richedit control buffer. To increase the buffer: lResult = SendMessage (hWndEdit_, EM_EXLIMITTEXT, 0, (LPARAM) 0x80000); // 512K buffer To find out what error you have, try this: if (es.dwError) ShowErrorStr(TEXT(&quot;EM_STREAMIN&quot;), es.dwError); void ShowErrorStr(LPTSTR lpszFunction, DWORD dw) { // Retrieve the system error message for the last-error code LPVOID lpMsgBuf; LPVOID...

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