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WM QUERYCTLTYPE: Revision history

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18 April 2025

  • curprev 04:1304:13, 18 April 2025 Martini talk contribs 928 bytes +928 Created page with "This message is sent by an application to a window to determine the type of control window it is (if any). ==Syntax== <pre> param1 ULONG ulReserved; Reserved value, should be 0.: param2 ULONG ulReserved; Reserved value, should be 0.: </pre> ==Parameters== ;''ulReserved'' (ULONG) - input: Reserved value, should be 0. ;''ulReserved'' (ULONG) - input: Reserved value, should be 0. ==Returns== ;''ulType'' (ULONG) - returns: Control type. :CCT_*: The wind..."