user32.SendMessageCallback

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This is a resend of a patch that seemingly fell through the cracks.

ChangeLog:
- Fix SendMessageCallback so that it works in all cases now

Rob
Index: wine/dlls/user/message.c
===================================================================
RCS file: /home/wine/wine/dlls/user/message.c,v
retrieving revision 1.33
diff -u -r1.33 message.c
--- wine/dlls/user/message.c	8 Jan 2003 19:56:31 -0000	1.33
+++ wine/dlls/user/message.c	11 Jan 2003 21:07:26 -0000
@@ -1900,6 +1900,32 @@
     return send_inter_thread_message( dest_tid, &info, &result );
 }
 
+static DWORD WINAPI threadproc_sendmessagecallback(LPVOID lpParameter)
+{
+	struct send_message_info * lpInfo = (struct send_message_info *) lpParameter;
+    LRESULT result;
+    DWORD dest_tid;
+    if (!(dest_tid = GetWindowThreadProcessId( lpInfo->hwnd, NULL )))
+	{
+		HeapFree( GetProcessHeap(), 0, lpInfo );
+		return 1;
+	}
+
+    if (USER_IsExitingThread( dest_tid ))
+	{
+		HeapFree( GetProcessHeap(), 0, lpInfo );
+		return 0;
+	}
+
+    if (send_inter_thread_message( dest_tid, lpInfo, &result ))
+	{
+		lpInfo->callback( lpInfo->hwnd, lpInfo->msg, lpInfo->data, result );
+		HeapFree( GetProcessHeap(), 0, lpInfo );
+		return 0;
+	}
+	HeapFree( GetProcessHeap(), 0, lpInfo );
+	return 1;
+}
 
 /***********************************************************************
  *		SendMessageCallbackA  (USER32.@)
@@ -1919,8 +1945,10 @@
                                   SENDASYNCPROC callback, ULONG_PTR data )
 {
     struct send_message_info info;
+	struct send_message_info * lpInfo;
     LRESULT result;
     DWORD dest_tid;
+    TRACE("\n");
 
     if (is_pointer_message(msg))
     {
@@ -1952,11 +1980,11 @@
         callback( hwnd, msg, data, result );
         return TRUE;
     }
-    FIXME( "callback will not be called\n" );
-    return send_inter_thread_message( dest_tid, &info, &result );
+	lpInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(struct send_message_info) );
+	CopyMemory( lpInfo, &info, sizeof(struct send_message_info) );
+    return (CreateThread(NULL, 0, threadproc_sendmessagecallback, (LPVOID)lpInfo, 0, NULL) != NULL);
 }
 
-
 /***********************************************************************
  *		ReplyMessage  (USER32.@)
  */

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