Hello World Program
Remarks:
Creating a simple GUI application using PyQt involves the following steps −
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Import QtGui module
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Create an application object.
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A QWidget object creates top level window. Add QLabel object in it.
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Set the caption of label as “hello world”.
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Define the size and position of window by setGeometry() method.
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Enter the mainloop of application by app.exec_() method.
Hello World Program
import sys
from PyQt4 import QtGui
def window():
app = QtGui.QApplication(sys.argv)
w = QtGui.QWidget()
b = QtGui.QLabel(w)
b.setText("Hello World!")
w.setGeometry(100,100,200,50)
b.move(50,20)
w.setWindowTitle("PyQt")
w.show()
sys.exit(app.exec_())
if __name__ == '__main__':
window()
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Topic Id: 9247
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