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-rw-r--r--widget/windows/TaskbarPreview.cpp2
-rw-r--r--widget/windows/WinUtils.cpp2
-rw-r--r--widget/windows/nsLookAndFeel.h2
-rw-r--r--widget/windows/nsWinGesture.h2
4 files changed, 6 insertions, 2 deletions
diff --git a/widget/windows/TaskbarPreview.cpp b/widget/windows/TaskbarPreview.cpp
index c897af021..6c15df2e0 100644
--- a/widget/windows/TaskbarPreview.cpp
+++ b/widget/windows/TaskbarPreview.cpp
@@ -28,7 +28,9 @@
#include "mozilla/Telemetry.h"
// Defined in dwmapi in a header that needs a higher numbered _WINNT #define
+#ifndef DWM_SIT_DISPLAYFRAME
#define DWM_SIT_DISPLAYFRAME 0x1
+#endif
namespace mozilla {
namespace widget {
diff --git a/widget/windows/WinUtils.cpp b/widget/windows/WinUtils.cpp
index 418a77182..0a57ad439 100644
--- a/widget/windows/WinUtils.cpp
+++ b/widget/windows/WinUtils.cpp
@@ -601,7 +601,7 @@ WinUtils::SystemScaleFactor()
return systemScale;
}
-#ifndef WM_DPICHANGED
+#if WINVER < 0x603
typedef enum {
MDT_EFFECTIVE_DPI = 0,
MDT_ANGULAR_DPI = 1,
diff --git a/widget/windows/nsLookAndFeel.h b/widget/windows/nsLookAndFeel.h
index 6200541f5..e3a2d5a7b 100644
--- a/widget/windows/nsLookAndFeel.h
+++ b/widget/windows/nsLookAndFeel.h
@@ -28,6 +28,8 @@
#ifndef SM_SYSTEMDOCKED
#define SM_CONVERTIBLESLATEMODE 0x00002003
#define SM_SYSTEMDOCKED 0x00002004
+#endif
+#if WINVER < 0x0601
typedef enum _AR_STATE
{
AR_ENABLED = 0x0,
diff --git a/widget/windows/nsWinGesture.h b/widget/windows/nsWinGesture.h
index 24c1f6b2d..f5561166a 100644
--- a/widget/windows/nsWinGesture.h
+++ b/widget/windows/nsWinGesture.h
@@ -18,7 +18,7 @@
#include "mozilla/TouchEvents.h"
// Desktop builds target apis for 502. Win8 Metro builds target 602.
-#if WINVER < 0x0602
+#if WINVER < 0x0601
DECLARE_HANDLE(HGESTUREINFO);