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PyQt5 QDoubleSpinBox – Getting Maximum Possible Value

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  • Last Updated : 28 Jul, 2020
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In this article we will see how we can get the maximum possible value to the QDoubleSpinBox. By default maximum possible value is <100 for double spin box. i.e user cant enter value greater or equal to the 100 although we can change this maximum value any time with the help of setMaximum method. By changing the maximum value we allow user to enter value which is less than the maximum value.

In order to do this we will use maximum method with the double spin box object.

Syntax : dd_spin.maximum()

Argument : It takes no argument

Return : It returns float

Below is the implementation




# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 500, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for components
    def UiComponents(self):
  
        # creating double spin box
        d_spin = QDoubleSpinBox(self)
  
        # setting geometry to the double spin box
        d_spin.setGeometry(100, 100, 150, 40)
  
        # setting decimal precision
        d_spin.setDecimals(1)
  
        # step type
        step_type = QAbstractSpinBox.AdaptiveDecimalStepType
  
        # adaptive step type
        d_spin.setStepType(step_type)
  
        # setting maximum value
        d_spin.setMaximum(9.9)
          
        # creating a label
        label = QLabel("GeeksforGeeks", self)
  
        # setting geometry to the label
        label.setGeometry(100, 200, 300, 80)
  
        # making label multi line
        label.setWordWrap(True)
  
        # getting maximum value
        value = d_spin.maximum()
  
        # setting text to the label
        label.setText("Max Possible Value : " + str(value))
  
  
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :


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