diff --git a/DirectXTex/DirectXTexConvert.cpp b/DirectXTex/DirectXTexConvert.cpp
index 0095877..901a8f3 100644
--- a/DirectXTex/DirectXTexConvert.cpp
+++ b/DirectXTex/DirectXTexConvert.cpp
@@ -4457,7 +4457,7 @@ namespace
         if (FAILED(hr))
             return hr;
 
-        hr = FC->CopyPixels(0, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
+        hr = FC->CopyPixels(nullptr, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
         if (FAILED(hr))
             return hr;
 
diff --git a/DirectXTex/DirectXTexFlipRotate.cpp b/DirectXTex/DirectXTexFlipRotate.cpp
index 5476d53..aead5e8 100644
--- a/DirectXTex/DirectXTexFlipRotate.cpp
+++ b/DirectXTex/DirectXTexFlipRotate.cpp
@@ -70,7 +70,7 @@ namespace
         if (destImage.width != nwidth || destImage.height != nheight)
             return E_FAIL;
 
-        hr = FR->CopyPixels(0, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
+        hr = FR->CopyPixels(nullptr, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
         if (FAILED(hr))
             return hr;
 
diff --git a/DirectXTex/DirectXTexMipmaps.cpp b/DirectXTex/DirectXTexMipmaps.cpp
index 4796b95..7b7b7a8 100644
--- a/DirectXTex/DirectXTexMipmaps.cpp
+++ b/DirectXTex/DirectXTexMipmaps.cpp
@@ -547,7 +547,7 @@ namespace
 
                 if (memcmp(&pfScaler, &pfGUID, sizeof(WICPixelFormatGUID)) == 0)
                 {
-                    hr = scaler->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = scaler->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
@@ -571,7 +571,7 @@ namespace
                     if (FAILED(hr))
                         return hr;
 
-                    hr = FC->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
diff --git a/DirectXTex/DirectXTexResize.cpp b/DirectXTex/DirectXTexResize.cpp
index 6cdc38d..e21919c 100644
--- a/DirectXTex/DirectXTexResize.cpp
+++ b/DirectXTex/DirectXTexResize.cpp
@@ -87,7 +87,7 @@ namespace
 
             if (memcmp(&pfScaler, &pfGUID, sizeof(WICPixelFormatGUID)) == 0)
             {
-                hr = scaler->CopyPixels(0, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
+                hr = scaler->CopyPixels(nullptr, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
                 if (FAILED(hr))
                     return hr;
             }
@@ -111,7 +111,7 @@ namespace
                 if (FAILED(hr))
                     return hr;
 
-                hr = FC->CopyPixels(0, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
+                hr = FC->CopyPixels(nullptr, static_cast<UINT>(destImage.rowPitch), static_cast<UINT>(destImage.slicePitch), destImage.pixels);
                 if (FAILED(hr))
                     return hr;
             }
diff --git a/DirectXTex/DirectXTexWIC.cpp b/DirectXTex/DirectXTexWIC.cpp
index 6a83da4..ba76722 100644
--- a/DirectXTex/DirectXTexWIC.cpp
+++ b/DirectXTex/DirectXTexWIC.cpp
@@ -392,7 +392,7 @@ namespace
 
         if (memcmp(&convertGUID, &GUID_NULL, sizeof(GUID)) == 0)
         {
-            hr = frame->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+            hr = frame->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
             if (FAILED(hr))
                 return hr;
         }
@@ -419,7 +419,7 @@ namespace
             if (FAILED(hr))
                 return hr;
 
-            hr = FC->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+            hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
             if (FAILED(hr))
                 return hr;
         }
@@ -479,7 +479,7 @@ namespace
                 // This frame does not need resized
                 if (memcmp(&pfGuid, &sourceGUID, sizeof(WICPixelFormatGUID)) == 0)
                 {
-                    hr = frame->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = frame->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
@@ -501,7 +501,7 @@ namespace
                     if (FAILED(hr))
                         return hr;
 
-                    hr = FC->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
@@ -525,7 +525,7 @@ namespace
 
                 if (memcmp(&pfScaler, &sourceGUID, sizeof(WICPixelFormatGUID)) == 0)
                 {
-                    hr = scaler->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = scaler->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
@@ -549,7 +549,7 @@ namespace
                     if (FAILED(hr))
                         return hr;
 
-                    hr = FC->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+                    hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
                     if (FAILED(hr))
                         return hr;
                 }
@@ -780,7 +780,7 @@ namespace
             return E_NOINTERFACE;
 
         ComPtr<IWICBitmapEncoder> encoder;
-        HRESULT hr = pWIC->CreateEncoder(containerFormat, 0, encoder.GetAddressOf());
+        HRESULT hr = pWIC->CreateEncoder(containerFormat, nullptr, encoder.GetAddressOf());
         if (FAILED(hr))
             return hr;
 
@@ -848,7 +848,7 @@ namespace
             return E_NOINTERFACE;
 
         ComPtr<IWICBitmapEncoder> encoder;
-        HRESULT hr = pWIC->CreateEncoder(containerFormat, 0, encoder.GetAddressOf());
+        HRESULT hr = pWIC->CreateEncoder(containerFormat, nullptr, encoder.GetAddressOf());
         if (FAILED(hr))
             return hr;
 
@@ -935,7 +935,7 @@ HRESULT DirectX::GetMetadataFromWICMemory(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    hr = pWIC->CreateDecoderFromStream(stream.Get(), 0, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    hr = pWIC->CreateDecoderFromStream(stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
@@ -973,7 +973,7 @@ HRESULT DirectX::GetMetadataFromWICFile(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
@@ -1028,7 +1028,7 @@ HRESULT DirectX::LoadFromWICMemory(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    hr = pWIC->CreateDecoderFromStream(stream.Get(), 0, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    hr = pWIC->CreateDecoderFromStream(stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
@@ -1089,7 +1089,7 @@ HRESULT DirectX::LoadFromWICFile(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
diff --git a/ScreenGrab/ScreenGrab.cpp b/ScreenGrab/ScreenGrab.cpp
index b9fa76f..9413e7e 100644
--- a/ScreenGrab/ScreenGrab.cpp
+++ b/ScreenGrab/ScreenGrab.cpp
@@ -701,7 +701,7 @@ namespace
 
         IWICImagingFactory* factory = nullptr;
         InitOnceExecuteOnce(&s_initOnce,
-            [](PINIT_ONCE, PVOID, LPVOID *factory) -> BOOL
+            [](PINIT_ONCE, PVOID, LPVOID *ifactory) -> BOOL
             {
             #if (_WIN32_WINNT >= _WIN32_WINNT_WIN8) || defined(_WIN7_PLATFORM_UPDATE)
                 HRESULT hr = CoCreateInstance(
@@ -709,7 +709,7 @@ namespace
                     nullptr,
                     CLSCTX_INPROC_SERVER,
                     __uuidof(IWICImagingFactory2),
-                    factory
+                    ifactory
                     );
 
                 if ( SUCCEEDED(hr) )
@@ -725,7 +725,7 @@ namespace
                         nullptr,
                         CLSCTX_INPROC_SERVER,
                         __uuidof(IWICImagingFactory),
-                        factory
+                        ifactory
                         );
                     return SUCCEEDED(hr) ? TRUE : FALSE;
                 }
@@ -735,7 +735,7 @@ namespace
                     nullptr,
                     CLSCTX_INPROC_SERVER,
                     __uuidof(IWICImagingFactory),
-                    factory) ) ? TRUE : FALSE;
+                    ifactory) ) ? TRUE : FALSE;
             #endif
             }, nullptr, reinterpret_cast<LPVOID*>(&factory));
 
@@ -986,7 +986,7 @@ HRESULT DirectX::SaveWICTextureToFile( _In_ ID3D11DeviceContext* pContext,
     auto_delete_file_wic delonfail(stream, fileName);
 
     ComPtr<IWICBitmapEncoder> encoder;
-    hr = pWIC->CreateEncoder( guidContainerFormat, 0, encoder.GetAddressOf() );
+    hr = pWIC->CreateEncoder( guidContainerFormat, nullptr, encoder.GetAddressOf() );
     if ( FAILED(hr) )
         return hr;
 
diff --git a/ScreenGrab/ScreenGrab12.cpp b/ScreenGrab/ScreenGrab12.cpp
index 5892e70..d26a0f9 100644
--- a/ScreenGrab/ScreenGrab12.cpp
+++ b/ScreenGrab/ScreenGrab12.cpp
@@ -789,14 +789,14 @@ namespace
 
         IWICImagingFactory2* factory = nullptr;
         (void)InitOnceExecuteOnce(&s_initOnce,
-            [](PINIT_ONCE, PVOID, PVOID *factory) -> BOOL
+            [](PINIT_ONCE, PVOID, PVOID *ifactory) -> BOOL
             {
                 return SUCCEEDED( CoCreateInstance(
                     CLSID_WICImagingFactory2,
                     nullptr,
                     CLSCTX_INPROC_SERVER,
                     __uuidof(IWICImagingFactory2),
-                    factory) ) ? TRUE : FALSE;
+                    ifactory) ) ? TRUE : FALSE;
             }, nullptr, reinterpret_cast<LPVOID*>(&factory));
 
         return factory;
@@ -1095,7 +1095,7 @@ HRESULT DirectX::SaveWICTextureToFile( ID3D12CommandQueue* pCommandQ,
     auto_delete_file_wic delonfail(stream, fileName);
 
     ComPtr<IWICBitmapEncoder> encoder;
-    hr = pWIC->CreateEncoder( guidContainerFormat, 0, encoder.GetAddressOf() );
+    hr = pWIC->CreateEncoder( guidContainerFormat, nullptr, encoder.GetAddressOf() );
     if ( FAILED(hr) )
         return hr;
 
diff --git a/Texassemble/texassemble.cpp b/Texassemble/texassemble.cpp
index d491909..c9c17c1 100644
--- a/Texassemble/texassemble.cpp
+++ b/Texassemble/texassemble.cpp
@@ -641,7 +641,7 @@ namespace
             return E_NOINTERFACE;
 
         ComPtr<IWICBitmapDecoder> decoder;
-        HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+        HRESULT hr = pWIC->CreateDecoderFromFilename(szFile, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
         if (FAILED(hr))
             return hr;
 
@@ -876,7 +876,7 @@ namespace
 
             auto img = rawFrame.GetImage(0, 0, 0);
 
-            hr = FC->CopyPixels(0, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
+            hr = FC->CopyPixels(nullptr, static_cast<UINT>(img->rowPitch), static_cast<UINT>(img->slicePitch), img->pixels);
             if (FAILED(hr))
                 return hr;
 
diff --git a/WICTextureLoader/WICTextureLoader.cpp b/WICTextureLoader/WICTextureLoader.cpp
index 5e22093..8002a05 100644
--- a/WICTextureLoader/WICTextureLoader.cpp
+++ b/WICTextureLoader/WICTextureLoader.cpp
@@ -170,7 +170,7 @@ namespace
 
         IWICImagingFactory* factory = nullptr;
         InitOnceExecuteOnce(&s_initOnce,
-            [](PINIT_ONCE, PVOID, PVOID *factory) -> BOOL
+            [](PINIT_ONCE, PVOID, PVOID *ifactory) -> BOOL
         {
 #if (_WIN32_WINNT >= _WIN32_WINNT_WIN8) || defined(_WIN7_PLATFORM_UPDATE)
             HRESULT hr = CoCreateInstance(
@@ -178,7 +178,7 @@ namespace
                 nullptr,
                 CLSCTX_INPROC_SERVER,
                 __uuidof(IWICImagingFactory2),
-                factory
+                ifactory
             );
 
             if (SUCCEEDED(hr))
@@ -194,7 +194,7 @@ namespace
                     nullptr,
                     CLSCTX_INPROC_SERVER,
                     __uuidof(IWICImagingFactory),
-                    factory
+                    ifactory
                 );
                 return SUCCEEDED(hr) ? TRUE : FALSE;
             }
@@ -204,7 +204,7 @@ namespace
                 nullptr,
                 CLSCTX_INPROC_SERVER,
                 __uuidof(IWICImagingFactory),
-                factory)) ? TRUE : FALSE;
+                ifactory)) ? TRUE : FALSE;
 #endif
         }, nullptr, reinterpret_cast<LPVOID*>(&factory));
 
@@ -505,7 +505,7 @@ namespace
             && theight == height)
         {
             // No format conversion or resize needed
-            hr = frame->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
+            hr = frame->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
             if (FAILED(hr))
                 return hr;
         }
@@ -533,7 +533,7 @@ namespace
             if (memcmp(&convertGUID, &pfScaler, sizeof(GUID)) == 0)
             {
                 // No format conversion needed
-                hr = scaler->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
+                hr = scaler->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
                 if (FAILED(hr))
                     return hr;
             }
@@ -555,7 +555,7 @@ namespace
                 if (FAILED(hr))
                     return hr;
 
-                hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
+                hr = FC->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
                 if (FAILED(hr))
                     return hr;
             }
@@ -583,7 +583,7 @@ namespace
             if (FAILED(hr))
                 return hr;
 
-            hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
+            hr = FC->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), temp.get());
             if (FAILED(hr))
                 return hr;
         }
@@ -764,7 +764,7 @@ HRESULT DirectX::CreateWICTextureFromMemoryEx(ID3D11Device* d3dDevice,
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    hr = pWIC->CreateDecoderFromStream(stream.Get(), 0, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    hr = pWIC->CreateDecoderFromStream(stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
@@ -866,7 +866,7 @@ HRESULT DirectX::CreateWICTextureFromFileEx(ID3D11Device* d3dDevice,
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    HRESULT hr = pWIC->CreateDecoderFromFilename(fileName, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
+    HRESULT hr = pWIC->CreateDecoderFromFilename(fileName, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf());
     if (FAILED(hr))
         return hr;
 
diff --git a/WICTextureLoader/WICTextureLoader12.cpp b/WICTextureLoader/WICTextureLoader12.cpp
index 153b435..4028550 100644
--- a/WICTextureLoader/WICTextureLoader12.cpp
+++ b/WICTextureLoader/WICTextureLoader12.cpp
@@ -149,14 +149,14 @@ namespace
 
         IWICImagingFactory2* factory = nullptr;
         (void)InitOnceExecuteOnce(&s_initOnce,
-            [](PINIT_ONCE, PVOID, PVOID *factory) -> BOOL
+            [](PINIT_ONCE, PVOID, PVOID *ifactory) -> BOOL
             {
                 return SUCCEEDED( CoCreateInstance(
                     CLSID_WICImagingFactory2,
                     nullptr,
                     CLSCTX_INPROC_SERVER,
                     __uuidof(IWICImagingFactory2),
-                    factory) ) ? TRUE : FALSE;
+                    ifactory) ) ? TRUE : FALSE;
             }, nullptr, reinterpret_cast<LPVOID*>(&factory));
 
         return factory;
@@ -399,7 +399,7 @@ namespace
             && theight == height)
         {
             // No format conversion or resize needed
-            hr = frame->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
+            hr = frame->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
             if (FAILED(hr))
                 return hr;
         }
@@ -427,7 +427,7 @@ namespace
             if (memcmp(&convertGUID, &pfScaler, sizeof(GUID)) == 0)
             {
                 // No format conversion needed
-                hr = scaler->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
+                hr = scaler->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
                 if (FAILED(hr))
                     return hr;
             }
@@ -449,7 +449,7 @@ namespace
                 if (FAILED(hr))
                     return hr;
 
-                hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
+                hr = FC->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
                 if (FAILED(hr))
                     return hr;
             }
@@ -477,7 +477,7 @@ namespace
             if (FAILED(hr))
                 return hr;
 
-            hr = FC->CopyPixels(0, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
+            hr = FC->CopyPixels(nullptr, static_cast<UINT>(rowPitch), static_cast<UINT>(imageSize), decodedData.get());
             if (FAILED(hr))
                 return hr;
         }
@@ -592,7 +592,7 @@ HRESULT DirectX::LoadWICTextureFromMemoryEx(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    hr = pWIC->CreateDecoderFromStream( stream.Get(), 0, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
+    hr = pWIC->CreateDecoderFromStream( stream.Get(), nullptr, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
     if ( FAILED(hr) )
         return hr;
 
@@ -663,7 +663,7 @@ HRESULT DirectX::LoadWICTextureFromFileEx(
 
     // Initialize WIC
     ComPtr<IWICBitmapDecoder> decoder;
-    HRESULT hr = pWIC->CreateDecoderFromFilename( fileName, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
+    HRESULT hr = pWIC->CreateDecoderFromFilename( fileName, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf() );
     if ( FAILED(hr) )
         return hr;