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Maffe811, Part 2. The 2 words we extract from $wParam are the Code for that message and the IDFrom telling us the ControlID of the control which sent it. $EN_CHANGE is a message sent by an Edit control (hence the E prefix) when something has changed within it. This is useful when looking to see if the user has entered something when we need to act upon it - we can use IDFrom[/i to check which edit control sent the message. Here is a good example of both of them being used - see if you can follow it now. M23

Maffe811, Stand by for short course in Bit arithmetic. $wParam is 8 bytes wide - think "12345678", although each digit can actually be 0-F. Sometimes the value in $wParam is divided into 2 separate 4 byte values - the "High" and the "Low" words. In the example above, these are: High = "1234"; Low = "5678". It is a clever way of passing 2 values within a single parameter. So how to separate these values? We could use _WinAPI_HiWord and _WinAPI_LoWord, but that would mean including WinAPI.au3. So we manipulate the value ourselves. High word first: here we just shift the the whole parameter to the right: Local $iCode = BitShift($wParam, 16)Remember that each byte has 4 bits (Hex 0-F = Binary 0000 - 1111) - so if we shift the whole number 4x4 bits to the right, we get just "1234" - the "High" part. Now the Low word: here we use another of the Bit operators to blank out the "High" bytes: Local $iIDFrom = BitAND($wParam, 0xFFFF)BitAND says only keep bit where there is a value in both of the operators - in our case we get this: 12345678 0000FFFF - remember that F = 1111 = 00005678 - as only the final 4 bytes can possibly have 1's set in both valuesSo basically we keep all the Low bytes and set all the High bytes to zero - the result is the Low word. Still with me? I will come back with the second part after the Germany/Portugal match has finished. M23

Delighted to hear it! Please ask if you have any questions after reading the tutorial and I shall do my best to clarify - although as I wrote it that might be a bit difficult! M23

Maffe811, Then I suggest reading the GUIRegisterMsg tutorial in the Wiki to get it all explained. You have been here long enough to have read the Forum Rules - can you assure me that this does not interact with the game and is something entirely separate? M23

Here another method to play wave audio files from memory! Source code here: http://autoit.pastebin.com/0fYwC9tZ Original code by wolf9228 from this topic: To create a binary string look to post #11. Br, UEZ