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Python win32 获取 句柄标签的 text 怎么失败呢?

image

这是源码,目的就是为了获取打开的txt 的文本内容,但是老是出不来,请问怎么改改呢?

import win32gui , win32con , win32api

win = win32gui.FindWindow('Notepad','无标题 - 记事本')
print( 'Notepad is %x' % win )

tid = win32gui.FindWindowEx( win , None , 'Edit' ,None ) #查找子句柄
hwnd = tid
size = win32gui.SendMessage( hwnd , win32con.WM_GETTEXTLENGTH , 0 , 0 ) + 1  # 要加上截尾的字节
print( size )

str_buffer = win32gui.PyMakeBuffer( size )  # 生成buffer对象
print( str_buffer )

win32gui.SendMessage( hwnd , win32con.WM_GETTEXT , size , str_buffer )  # 获取buffer
print ( str_buffer[:size-1] )
print( 'text: ', str_buffer )

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by (71.8m points)

试一下用 win32gui.PyGetString str_buffer 读取字符串。


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