1 files changed, 45 insertions, 0 deletions

diff --git a/private/sdktools/spy/hook.h b/private/sdktools/spy/hook.h
new file mode 100644
index 000000000..050f6a67a
--- /dev/null
+++ b/private/sdktools/spy/hook.h
@@ -0,0 +1,45 @@
+/*----------------------------------------------------------------------------
+*|   hook.h    - Windows message spy application                               |
+|                                                                              |
+|   History:                                                                   |
+|       01/01/87 toddla     Created                                            |
+|       04/14/87 toddla     Cleaned up                                         |
+|                                                                              |
+\*----------------------------------------------------------------------------*/
+
+#define PUBLIC
+#if !DBG
+#define PRIVATE static
+#else
+#define PRIVATE
+#endif
+
+// special hwnds for the hooks to recognize
+#define HWND_ALL  ((HWND)0xffffffff)
+#define HWND_NULL ((HWND)0L)
+
+#define SPYAPPNAME      "Spy"
+#define SPYCLASSNAME    "Spy Class"
+#define HOOKWINDOWNAME  "SpyHookWindow"
+#define HOOKWINDOWCLASS "SpyHookClass"
+
+
+//
+// Structure that contains the spy message data sent from the hook
+// to the spy app to display.  The hwnd is sent using wParam of
+// the WM_COPYDATA message, and the message number is in the dwData
+// field of the COPYDATASTRUCT.  This structure allows the wParam,
+// lParam and any optional extra data to be passed across.
+//
+typedef struct
+{
+    WPARAM wParam;
+    LPARAM lParam;
+    BYTE ExtraData[64];
+} SPYMSGDATA, *PSPYMSGDATA;
+
+
+LRESULT CALLBACK SpyGetMsgProc(INT hc, WPARAM wParam, LPARAM lParam);
+LRESULT CALLBACK SpyCallWndProc(INT hc, WPARAM wParam, LPARAM lParam);
+
+