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JNA API 4.2.0
com.sun.jna.platform.win32

Interface WinUser.WindowProc

  • All Superinterfaces:
    Callback
    Enclosing interface:
    WinUser


    public static interface WinUser.WindowProc
    extends Callback
    An application-defined function that processes messages sent to a window. The WNDPROC type defines a pointer to this callback function. WindowProc is a placeholder for the application-defined function name.
    • Method Detail

      • callback

        WinDef.LRESULT callback(WinDef.HWND hwnd,
                                int uMsg,
                                WinDef.WPARAM wParam,
                                WinDef.LPARAM lParam)
        Parameters:
        hwnd - [in] Type: HWND A handle to the window.
        uMsg - [in] Type: UINT The message. For lists of the system-provided messages, see System-Defined Messages.
        wParam - [in] Type: WPARAM Additional message information. The contents of this parameter depend on the value of the uMsg parameter.
        lParam - [in] Type: LPARAM Additional message information. The contents of this parameter depend on the value of the uMsg parameter.
        Returns:
        the lresult
JNA API 4.2.0

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