Types of Dialog Boxes in PyQt Multiple Document Interface

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Questions and Answers

What is the purpose of the getOpenFileName() function in the QFileDialog class?

  • Displays only files with specific extensions
  • Sets the file mode for selectable files
  • Determines whether the file box acts as open or save dialog
  • Returns the name of the file selected by the user to open it (correct)

In the QMessageBox class, what does setInformativeText() do?

  • Displays additional information (correct)
  • Sets the main message text
  • Lists standard buttons to be displayed
  • Shows a Details button

What role does setStandardButtons() play in the QMessageBox class?

  • Lists standard buttons to be displayed (correct)
  • Shows a Details button
  • Displays predefined icons corresponding to message severity
  • Sets the text of the main message to be displayed

Which function in the QFileDialog class determines whether the file box functions as an open or save dialog?

<p>setacceptMode() (C)</p> Signup and view all the answers

What is the purpose of setIcon() in the QMessageBox class?

<p>Displays predefined icon corresponding to the severity of the message (B)</p> Signup and view all the answers

How would you create a font dialog box to choose a font in PyQt?

<p>Use the getFont() method (D)</p> Signup and view all the answers

Which function in QFileDialog class allows displaying only files with specified extensions?

<p>setFilter() (B)</p> Signup and view all the answers

What does the variable 'ok' represent when using QFontDialog.getFont()?

<p>A Boolean variable to check if the user selected a font (A)</p> Signup and view all the answers

Which QColorDialog method is used to change the color of the text?

<p>setTextColor() (B)</p> Signup and view all the answers

In PyQt, what does QColorDialog.getColor() return?

<p>The selected color (A)</p> Signup and view all the answers

What is the purpose of QFileDialog in PyQt?

<p>Navigate through file system and select a file (A)</p> Signup and view all the answers

How can you invoke a dialog object created using QFileDialog?

<p>Call exec_() function on the dialog object (B)</p> Signup and view all the answers

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