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目的
就简单了：打开一个对话框询问时间延迟这么长时间（以秒为单位）。
经过这样的延迟后，就会截取桌面的屏幕截图。
该片由编剧阿尔伯特·卡多纳 (Albert Cardona) 维护。
＃＃代码
# Take a snapshot after a delay specified in a dialog
#
# The plugin has to fork, which is done by:
# 1 - declaring a function to do the work, 'snasphot'
# 2 - invoking the function via thread.start_new_thread,
# which runs it in a separate thread.
import thread
import time
def snapshot(delay):
time.sleep(delay)
IJ.doCommand('Capture Screen ')
gd = GenericDialog('Delay')
gd.addSlider('Delay (secs.): ', 0, 20, 5)
gd.showDialog()
if not gd.wasCanceled():
# the 'extra' comma signals tuple, a kind of list in python.
thread.start_new_thread(snapshot, (int(gd.getNextNumber()),))
