QDialog setModal()

[summer_of_69]

Hi All,

How can I make a dialog modal dynamically ?

My application has one working thread , I just want to make my dialog Modal(e.g. setModal(true)) till that thread is done with all the calculations.There I have one API (scriptInExecution()) which returns true if calculation is in progress.

I tried this using setModal(true) but it's not working ,than I used QApplication:rocessEvent() but still I got nothing.

if(true == scriptInExecution())
 {
    this->setModal(true); 
 }
 else
 {
    this->setModal(false); 
 }

if(true == scriptInExecution())
 {
    this->setModal(true); 
 }
 else
 {
    this->setModal(false); 
 }

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Am I missing something

Thanks.