PyQt5 - How to open window in maximized format?

PyQt5 - How to open window in maximized format?

In PyQt5, to open a window in maximized format, you can use the showMaximized() method on the QMainWindow or any other widget.

Here's a simple example to demonstrate this:

  • Install PyQt5:
pip install pyqt5
  • Create a PyQt5 window and show it maximized:
import sys from PyQt5.QtWidgets import QApplication, QMainWindow class MyApp(QMainWindow): def __init__(self): super().__init__() self.setWindowTitle('Maximized Window') self.setGeometry(100, 100, 800, 600) # This sets the default size, but the window will be maximized def show_window(self): self.showMaximized() app = QApplication(sys.argv) window = MyApp() window.show_window() sys.exit(app.exec_())

When you run the code, the MyApp window will open in maximized format. The key function used here is showMaximized(), which maximizes the window.

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