X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/491acfc75e9bf12806e177b655f3fb7df53e7602..a7689c49fe02c0c065facf736ab28b19f5997b7c:/include/wx/msw/private/timer.h

diff --git a/include/wx/msw/private/timer.h b/include/wx/msw/private/timer.h
index 7878c77a67..b22a3dc73b 100644
--- a/include/wx/msw/private/timer.h
+++ b/include/wx/msw/private/timer.h
@@ -14,6 +14,7 @@
 #if wxUSE_TIMER
 
 #include "wx/private/timer.h"
+#include "wx/msw/wrapwin.h"     // for WPARAM
 
 class WXDLLIMPEXP_BASE wxMSWTimerImpl : public wxTimerImpl
 {
@@ -26,6 +27,8 @@ public:
     virtual bool IsRunning() const { return m_id != 0; }
 
 protected:
+    // this must be 64 bit under Win64 as WPARAM (storing timer ids) is 64 bit
+    // there and so the ids may possibly not fit in 32 bits
     WPARAM m_id;
 };