# wx.PyOnDemandOutputWindow¶

A class that can be used for redirecting Python’s stdout and stderr streams. It will do nothing until something is wrriten to the stream at which point it will create a Frame with a text area and write the text there.

## Class Hierarchy¶

Inheritance diagram for class PyOnDemandOutputWindow:

## Methods Summary¶

 __init__ CreateOutputWindow OnCloseWindow SetParent Set the window to be used as the popup Frame’s parent. close flush write Create the output window if needed and write the string to it.

## Class API¶

class wx.PyOnDemandOutputWindow(object)

A class that can be used for redirecting Python’s stdout and stderr streams. It will do nothing until something is wrriten to the stream at which point it will create a Frame with a text area and write the text there.

### Methods¶

__init__(self, title="wxPython: stdout/stderr")

CreateOutputWindow(self, txt)

OnCloseWindow(self, event)

SetParent(self, parent)

Set the window to be used as the popup Frame’s parent.

close(self)

flush(self)

write(self, text)

Create the output window if needed and write the string to it. If not called in the context of the gui thread then CallAfter is used to do the work there.