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POSending WM_COPYDATA with Python 3
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  1. POSending WM_COPYDATA with Python 3
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    copied!<p>I'm trying to write a python script that will interface with my copy of <a href="http://zhornsoftware.co.uk/stickies/api/" rel="nofollow">stickies</a>. I'm having trouble with how Python interacts with the WM_COPYDATA struct, and unfortunately I haven't been able to find many examples online.</p> <p>Using the code:</p> <pre><code>import struct import win32con import win32gui import struct, array int_buffer = array.array("L", [0]) char_buffer = array.array('b', 'do new sticky') int_buffer_address = int_buffer.buffer_info()[0] char_buffer_address, char_buffer_size = char_buffer.buffer_info copy_struct = struct.pack("pLp", int_buffer_address, char_buffer_size, char_buffer_address) hwnd = win32gui.FindWindow("ZhornSoftwareStickiesMain", None) win32gui.SendMessage(w, WM_COPYDATA, hwnd, copy_struct) </code></pre> <p>I get the following error: </p> <pre><code>C:\Users\%userprofile%\Desktop&gt;python sender.py Traceback (most recent call last): File "sender.py", line 7, in &lt;module&gt; char_buffer = array.array('b', 'do new sticky') TypeError: an integer is required </code></pre> <p>I can't seem to figure out why I'm getting such an error. Any ideas?</p> <p><strong>Edit:</strong> Some partially working code</p> <pre><code>import struct import win32con import win32gui import struct, array int_buffer = array.array("L", [0]) char_buffer = array.array('b', b"do manage open") int_buffer_address = int_buffer.buffer_info()[0] # Add () to buffer_info to call it. char_buffer_address, char_buffer_size = char_buffer.buffer_info() # Need P type for the addresses. copy_struct = struct.pack("PLP",int_buffer_address,char_buffer_size, char_buffer_address) hwnd = win32gui.FindWindow(None, "ZhornSoftwareStickiesMain") win32gui.SendMessage(hwnd, win32con.WM_COPYDATA, None, copy_struct) </code></pre>
 

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