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Q5 standard dialog box
2022-07-18 00:47:00 【Loss of time】
One 、 Knowledge point
① The main types of standard dialog boxes (QT Built in dialog box )

①QMessageBox( Modal dialog , Yes Question、information、warming、critical etc. )
1. Main concepts

2.▲ Thinking summary

3. operation ( add to action Go to slot )

4. effect

②QFileDialog ( Resource file dialog box )
1. Ideas 
2. operation

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