关闭事件

显示图关闭时发生的连接事件的示例。

import matplotlib.pyplot as plt


def on_close(event):
    print('Closed Figure!')

fig = plt.figure()
fig.canvas.mpl_connect('close_event', on_close)

plt.text(0.35, 0.5, 'Close Me!', dict(size=30))
plt.show()