X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a8ff046ba980a89f11125477e736cf235ebd7186..659ca93c425faabda30fce9dee68b38cb6868d14:/include/wx/msw/private/timer.h

diff --git a/include/wx/msw/private/timer.h b/include/wx/msw/private/timer.h
index f7044e0754..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
 {
@@ -26,7 +27,9 @@ public:
     virtual bool IsRunning() const { return m_id != 0; }
 
 protected:
-    unsigned long m_id;
+    // 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;
 };
 
 #endif // wxUSE_TIMER