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Thanks! Yes C++Builder has a TThread::Synchronize function. It seemed to work when I used this to write to the TMemo. It's a bit difficult to be sure that it works, since the problem happens not to often. But I have always spotted the problem when I didn't use TThread::Synchronize, but never when I used it. So I think that your solution solved the problem!
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Hello,<br />
<br />
I using multiple threads which writes to a TMemo window. I use TMemo::Add function to add text to the window. My problem is that I sometimes lose som data (lines) in the TMemo window. I seems to occur when to to threads try to use TMemo::Add at almost the same time. What is the writecycle of TMemo? And is it a way to check if TMemo is ready for another write?<br />
<br />
Regards<br />
Eimund Smestad
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Hello,

I using multiple threads which writes to a TMemo window. I use TMemo::Add function to add text to the window. My problem is that I sometimes lose som data (lines) in the TMemo window. I seems to occur when to to threads try to use TMemo::Add at almost the same time. What is the writecycle of TMemo? And is it a way to check if TMemo is ready for another write?

Regards
Eimund Smestad

TMemo::Add(...). Overwrite problem - writecycle time

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.