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IDMs for WM_COMMAND with _WinAPI_PostMessage

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Hey guys, MattDiesel over Stackoverflow mentioned this beautiful piece of code 

#include <WindowsConstants.au3>
#include <WinAPI.au3>

Local $IDM_FONT = 33
Local $hWindow = WinGetHandle("Untitled - Notepad")

_WinAPI_PostMessage($hWindow, $WM_COMMAND, $IDM_FONT, 0)

Local $hFontWin = WinWait("Font")
$select = ControlCommand($hFontWin, "", "ComboBox1", "GetCurrentSelection", "")

MsgBox(0,"", $select)

I realized that _WinAPI_PostMessage can trigger menu click event, even if Notepad is minimized.

How do we know what is the decimal value of *any menu item or sub-menu item*? How we know "Format > Font" menu-item is 33 as wParam to _WinAPI_PostMessage()? Have a look at snapshot.



Edited by r0ash
typo + tags addition
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