Posted on 2004-10-20
Last Modified: 2013-12-03
EM_SETTEXTEX is working fine on one computer but doesnt work on another...
How can I find cause of the problem?
SendMessage() return 0
GetLastError() return 0
Question by:serg111
LVL 55

Expert Comment

by:Jaime Olivares
ID: 12359316
Which operating systems. Although min is Win95, it is required to have RichEdit 3.0 installed.

Author Comment

ID: 12361102
It is Win ME that cause an error
How can I make sure that RichEdit installed?
The Edit control is actually created but doesn't show output

Expert Comment

ID: 12471003
EM_SETTEXTEX   message is only applicable for Richedit 3.0 or higher - so to know the version on ur computer
Open richedit.h file in an editor -  It will be showing the number for richedit control version no.
It will be their in ur include folder in VIsual studio installed folder
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Author Comment

ID: 12472359
Yes, it is 3.0 on my computer's richedit.h
But computer where it is not working doesn't have richedit.h and Visual studio installed

Accepted Solution

curero earned 250 total points
ID: 12472619
1. %SYSTEM% folder ( Ex: C:\Windows\System32), search riched20.dll;
version of a binary file: 'Properties' in windows explorer, the version tab; my riched20.dll: "Description:   Rich Text Edit Control, v3.0"

2. WinME has "riched20.dll" installed natively; I reallly think you have other problem (but verify that the richedit20.dll is there): WinME is multi-byte, XP is Unicode (NT-based); please give more informations: ( some code eventually)

Author Comment

ID: 12472868
You are right! Somehow there was and old version of dll ...

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