Wiki довольно хорош для справки. Андреа Гавана имеет довольно полный рецепт для создания собственных пользовательских элементов управления . Следующая информация взята непосредственно оттуда и расширяет то, на что FogleBird ответил (примечание self ссылается на подкласс wx.PyControl):
def SendCheckBoxEvent(self):
""" Actually sends the wx.wxEVT_COMMAND_CHECKBOX_CLICKED event. """
# This part of the code may be reduced to a 3-liner code
# but it is kept for better understanding the event handling.
# If you can, however, avoid code duplication; in this case,
# I could have done:
#
# self._checked = not self.IsChecked()
# checkEvent = wx.CommandEvent(wx.wxEVT_COMMAND_CHECKBOX_CLICKED,
# self.GetId())
# checkEvent.SetInt(int(self._checked))
if self.IsChecked():
# We were checked, so we should become unchecked
self._checked = False
# Fire a wx.CommandEvent: this generates a
# wx.wxEVT_COMMAND_CHECKBOX_CLICKED event that can be caught by the
# developer by doing something like:
# MyCheckBox.Bind(wx.EVT_CHECKBOX, self.OnCheckBox)
checkEvent = wx.CommandEvent(wx.wxEVT_COMMAND_CHECKBOX_CLICKED,
self.GetId())
# Set the integer event value to 0 (we are switching to unchecked state)
checkEvent.SetInt(0)
else:
# We were unchecked, so we should become checked
self._checked = True
checkEvent = wx.CommandEvent(wx.wxEVT_COMMAND_CHECKBOX_CLICKED,
self.GetId())
# Set the integer event value to 1 (we are switching to checked state)
checkEvent.SetInt(1)
# Set the originating object for the event (ourselves)
checkEvent.SetEventObject(self)
# Watch for a possible listener of this event that will catch it and
# eventually process it
self.GetEventHandler().ProcessEvent(checkEvent)
# Refresh ourselves: the bitmap has changed
self.Refresh()