Hi, I've trawled through the mailing list archives trying to research this. I hope I haven't missed a solution to this already:
I have IUP's main-loop running on thread, and I have another thread that needs to update something in the GUI. I gather it's not safe to call IUP functions from a NON IUP main-loop thread, so I've settled on acquiring a lock on and setting the IUP idle function to a function that includes the work needed to be performed by the non IUP main-loop thread (returning IUP_IGNORE, so as to run once). This works pretty well, but I believe if the NON IUP main-loop thread sets IUP idle function faster than the idle function is called by IUP, then my IUP idle functions will not always be called. Is there a way to set the idle function and wait for it to be called? Or even some way to set the idle function and trigger it to run immediately? Matt
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