ShowMessage not working via TThread Class

[GoldenEye4ever]

Hi,

I've developed an app which uses 2 custom TThread classes to perform common tasks (Search, Load).

If I call "ShowMessage(...);", from within the TThread class, the message dialog is usually drawn way too large.
It either expands off the screen horizontally, vertically or both horizontally and vertically.

I'm not sure why this is happening...I've tested this with the most simple TThread class (all it does is: "ShowMessage(...);" then terminates), the problem still happens.

Any help would be greatly appreciated

 

[whosrdaddy]

you can't act with the VCL within a different thread.
All visual code must be executed from the main thread. to Achieve this you must use the synchronize method (as stated when you create a new TThread class in delphi).

If you don't know what I'm talking about please read this:

http://experience.masalas.org/assets/files/tutorial_multithreading_the_delphi_way_v1.1.zip

It will give you insight how to use threads.

/Daddy



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