diff --git a/tests/Makefile.in b/tests/Makefile.in
index f99b4761e1..3d0e621afc 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -188,6 +188,7 @@ TEST_GUI_OBJECTS =  \
 	test_gui_coords.o \
 	test_gui_graphmatrix.o \
 	test_gui_graphpath.o \
+	test_gui_imagelist.o \
 	test_gui_config.o \
 	test_gui_auitest.o \
 	test_gui_bitmapcomboboxtest.o \
@@ -548,7 +549,7 @@ data:
 
 data-images: 
 	@mkdir -p image
-	@for f in horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png; do \
+	@for f in horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png wx.png wx.ico; do \
 	if test ! -f image/$$f -a ! -d image/$$f ; \
 	then x=yep ; \
 	else x=`find $(srcdir)/image/$$f -newer image/$$f -print` ; \
@@ -909,6 +910,9 @@ test_gui_graphmatrix.o: $(srcdir)/graphics/graphmatrix.cpp $(TEST_GUI_ODEP)
 test_gui_graphpath.o: $(srcdir)/graphics/graphpath.cpp $(TEST_GUI_ODEP)
 	$(CXXC) -c -o $@ $(TEST_GUI_CXXFLAGS) $(srcdir)/graphics/graphpath.cpp
 
+test_gui_imagelist.o: $(srcdir)/graphics/imagelist.cpp $(TEST_GUI_ODEP)
+	$(CXXC) -c -o $@ $(TEST_GUI_CXXFLAGS) $(srcdir)/graphics/imagelist.cpp
+
 test_gui_config.o: $(srcdir)/config/config.cpp $(TEST_GUI_ODEP)
 	$(CXXC) -c -o $@ $(TEST_GUI_CXXFLAGS) $(srcdir)/config/config.cpp
 
diff --git a/tests/graphics/imagelist.cpp b/tests/graphics/imagelist.cpp
new file mode 100644
index 0000000000..57bdefbf14
--- /dev/null
+++ b/tests/graphics/imagelist.cpp
@@ -0,0 +1,243 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/graphics/imagelist.cpp
+// Purpose:     image list unit tests
+// Author:      Artur Wieczorek
+// Created:     2021-01-11
+// Copyright:   (c) 2021 wxWidgets development team
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+
+#include "wx/bitmap.h"
+#include "wx/graphics.h"
+#include "wx/icon.h"
+#include "wx/imaglist.h"
+
+#include "wx/dcmemory.h"
+
+// ----------------------------------------------------------------------------
+// tests
+// ----------------------------------------------------------------------------
+
+TEST_CASE("ImageList:WithMask", "[imagelist][withmask]")
+{
+    wxInitAllImageHandlers();
+
+    wxBitmap bmpRGB(32, 32, 24);
+    {
+        wxMemoryDC mdc(bmpRGB);
+        mdc.SetBackground(*wxBLUE_BRUSH);
+        mdc.Clear();
+        mdc.SetBrush(*wxRED_BRUSH);
+        mdc.DrawRectangle(4, 4, 24, 24);
+    }
+    REQUIRE(bmpRGB.IsOk());
+
+    wxBitmap bmpRGBA;
+    bmpRGBA.LoadFile("image/wx.png", wxBITMAP_TYPE_PNG);
+    REQUIRE(bmpRGBA.IsOk());
+
+    wxBitmap bmpMask(32, 32, 1);
+    {
+        wxMemoryDC mdc(bmpMask);
+#if wxUSE_GRAPHICS_CONTEXT
+        wxGraphicsContext* gc = mdc.GetGraphicsContext();
+        if ( gc )
+            gc->SetAntialiasMode(wxANTIALIAS_NONE);
+#endif //wxUSE_GRAPHICS_CONTEXT
+        mdc.SetBackground(*wxBLACK_BRUSH);
+        mdc.Clear();
+        mdc.SetBrush(*wxWHITE_BRUSH);
+        mdc.DrawRectangle(0, 0, 16, 32);
+    }
+
+    wxBitmap bmpRGBWithMask(bmpRGB);
+    bmpRGBWithMask.SetMask(new wxMask(bmpMask));
+    REQUIRE(bmpRGBWithMask.IsOk());
+
+    wxBitmap bmpRGBAWithMask(bmpRGBA);
+    bmpRGBAWithMask.SetMask(new wxMask(bmpMask));
+    REQUIRE(bmpRGBAWithMask.IsOk());
+
+    wxIcon ico;
+    ico.LoadFile("image/wx.ico", wxBITMAP_TYPE_ICO);
+    REQUIRE(ico.IsOk());
+
+    REQUIRE(bmpRGB.HasAlpha() == false);
+    REQUIRE(bmpRGB.GetMask() == NULL);
+
+    REQUIRE(bmpRGBWithMask.HasAlpha() == false);
+    REQUIRE(bmpRGBWithMask.GetMask() != NULL);
+
+    REQUIRE(bmpRGBA.HasAlpha() == true);
+    REQUIRE(bmpRGBA.GetMask() == NULL);
+
+    REQUIRE(bmpRGBAWithMask.HasAlpha() == true);
+    REQUIRE(bmpRGBAWithMask.GetMask() != NULL);
+
+    wxImageList il(32, 32, true);
+
+    SECTION("Add RGB image to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(bmpRGB);
+        CHECK(il.GetImageCount() == 1);
+        wxBitmap bmp1 = il.GetBitmap(idx);
+        CHECK(bmp1.HasAlpha() == false);
+        CHECK(bmp1.GetMask() != NULL);
+        CHECK(bmp1.GetWidth() == 32);
+        CHECK(bmp1.GetHeight() == 32);
+
+        idx = il.Add(bmpRGBWithMask);
+        CHECK(il.GetImageCount() == 2);
+        wxBitmap bmp2 = il.GetBitmap(idx);
+        CHECK(bmp2.HasAlpha() == false);
+        CHECK(bmp2.GetMask() != NULL);
+        CHECK(bmp2.GetWidth() == 32);
+        CHECK(bmp2.GetHeight() == 32);
+    }
+
+    SECTION("Add RGBA image to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(bmpRGBA);
+        CHECK(il.GetImageCount() == 1);
+        wxBitmap bmp1 = il.GetBitmap(idx);
+        CHECK(bmp1.HasAlpha() == false);
+        CHECK(bmp1.GetMask() != NULL);
+        CHECK(bmp1.GetWidth() == 32);
+        CHECK(bmp1.GetHeight() == 32);
+
+        idx = il.Add(bmpRGBAWithMask);
+        CHECK(il.GetImageCount() == 2);
+        wxBitmap bmp2 = il.GetBitmap(idx);
+        CHECK(bmp2.HasAlpha() == false);
+        CHECK(bmp2.GetMask() != NULL);
+        CHECK(bmp2.GetWidth() == 32);
+        CHECK(bmp2.GetHeight() == 32);
+    }
+
+    SECTION("Add icon to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(ico);
+        CHECK(il.GetImageCount() == 1);
+        wxIcon icon1 = il.GetIcon(idx);
+        CHECK(icon1.GetWidth() == 32);
+        CHECK(icon1.GetHeight() == 32);
+    }
+}
+
+TEST_CASE("ImageList:NoMask", "[imagelist][nomask]")
+{
+    wxInitAllImageHandlers();
+
+    wxBitmap bmpRGB(32, 32, 24);
+    {
+        wxMemoryDC mdc(bmpRGB);
+        mdc.SetBackground(*wxBLUE_BRUSH);
+        mdc.Clear();
+        mdc.SetBrush(*wxRED_BRUSH);
+        mdc.DrawRectangle(4, 4, 24, 24);
+    }
+    REQUIRE(bmpRGB.IsOk());
+
+    wxBitmap bmpRGBA;
+    bmpRGBA.LoadFile("image/wx.png", wxBITMAP_TYPE_PNG);
+    REQUIRE(bmpRGBA.IsOk());
+
+    wxBitmap bmpMask(32, 32, 1);
+    {
+        wxMemoryDC mdc(bmpMask);
+#if wxUSE_GRAPHICS_CONTEXT
+        wxGraphicsContext* gc = mdc.GetGraphicsContext();
+        if ( gc )
+            gc->SetAntialiasMode(wxANTIALIAS_NONE);
+#endif //wxUSE_GRAPHICS_CONTEXT
+        mdc.SetBackground(*wxBLACK_BRUSH);
+        mdc.Clear();
+        mdc.SetBrush(*wxWHITE_BRUSH);
+        mdc.DrawRectangle(0, 0, 16, 32);
+    }
+
+    wxBitmap bmpRGBWithMask(bmpRGB);
+    bmpRGBWithMask.SetMask(new wxMask(bmpMask));
+    REQUIRE(bmpRGBWithMask.IsOk());
+
+    wxBitmap bmpRGBAWithMask(bmpRGBA);
+    bmpRGBAWithMask.SetMask(new wxMask(bmpMask));
+    REQUIRE(bmpRGBAWithMask.IsOk());
+
+    wxIcon ico;
+    ico.LoadFile("image/wx.ico", wxBITMAP_TYPE_ICO);
+    REQUIRE(ico.IsOk());
+
+    REQUIRE(bmpRGB.HasAlpha() == false);
+    REQUIRE(bmpRGB.GetMask() == NULL);
+
+    REQUIRE(bmpRGBWithMask.HasAlpha() == false);
+    REQUIRE(bmpRGBWithMask.GetMask() != NULL);
+
+    REQUIRE(bmpRGBA.HasAlpha() == true);
+    REQUIRE(bmpRGBA.GetMask() == NULL);
+
+    REQUIRE(bmpRGBAWithMask.HasAlpha() == true);
+    REQUIRE(bmpRGBAWithMask.GetMask() != NULL);
+
+    wxImageList il(32, 32, false);
+
+    SECTION("Add RGB image to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(bmpRGB);
+        CHECK(il.GetImageCount() == 1);
+        wxBitmap bmp1 = il.GetBitmap(idx);
+        CHECK(bmp1.HasAlpha() == false);
+        CHECK(bmp1.GetMask() == NULL);
+        CHECK(bmp1.GetWidth() == 32);
+        CHECK(bmp1.GetHeight() == 32);
+
+        idx = il.Add(bmpRGBWithMask);
+        CHECK(il.GetImageCount() == 2);
+        wxBitmap bmp2 = il.GetBitmap(idx);
+        CHECK(bmp2.HasAlpha() == true);
+        CHECK(bmp2.GetMask() == NULL);
+        CHECK(bmp2.GetWidth() == 32);
+        CHECK(bmp2.GetHeight() == 32);
+    }
+
+    SECTION("Add RGBA image to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(bmpRGBA);
+        CHECK(il.GetImageCount() == 1);
+        wxBitmap bmp1 = il.GetBitmap(idx);
+        CHECK(bmp1.HasAlpha() == true);
+        CHECK(bmp1.GetMask() == NULL);
+        CHECK(bmp1.GetWidth() == 32);
+        CHECK(bmp1.GetHeight() == 32);
+
+        idx = il.Add(bmpRGBAWithMask);
+        CHECK(il.GetImageCount() == 2);
+        wxBitmap bmp2 = il.GetBitmap(idx);
+        CHECK(bmp2.HasAlpha() == true);
+        CHECK(bmp2.GetMask() == NULL);
+        CHECK(bmp2.GetWidth() == 32);
+        CHECK(bmp2.GetHeight() == 32);
+    }
+
+    SECTION("Add icon to list")
+    {
+        il.RemoveAll();
+        int idx = il.Add(ico);
+        CHECK(il.GetImageCount() == 1);
+        wxIcon icon1 = il.GetIcon(idx);
+        CHECK(icon1.GetWidth() == 32);
+        CHECK(icon1.GetHeight() == 32);
+    }
+}
diff --git a/tests/image/wx.ico b/tests/image/wx.ico
new file mode 100644
index 0000000000..435cca2471
Binary files /dev/null and b/tests/image/wx.ico differ
diff --git a/tests/image/wx.png b/tests/image/wx.png
new file mode 100644
index 0000000000..4a0a502497
Binary files /dev/null and b/tests/image/wx.png differ
diff --git a/tests/makefile.gcc b/tests/makefile.gcc
index 4ba87cfaf9..4c1b269f2e 100644
--- a/tests/makefile.gcc
+++ b/tests/makefile.gcc
@@ -164,6 +164,7 @@ TEST_GUI_OBJECTS =  \
 	$(OBJS)\test_gui_coords.o \
 	$(OBJS)\test_gui_graphmatrix.o \
 	$(OBJS)\test_gui_graphpath.o \
+	$(OBJS)\test_gui_imagelist.o \
 	$(OBJS)\test_gui_config.o \
 	$(OBJS)\test_gui_auitest.o \
 	$(OBJS)\test_gui_bitmapcomboboxtest.o \
@@ -550,7 +551,7 @@ data:
 
 data-images: 
 	if not exist image mkdir image
-	for %%f in (horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png) do if not exist image\%%f copy .\image\%%f image
+	for %%f in (horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png wx.png wx.ico) do if not exist image\%%f copy .\image\%%f image
 
 fr: 
 	if not exist $(OBJS)\intl\fr mkdir $(OBJS)\intl\fr
@@ -896,6 +897,9 @@ $(OBJS)\test_gui_graphmatrix.o: ./graphics/graphmatrix.cpp
 $(OBJS)\test_gui_graphpath.o: ./graphics/graphpath.cpp
 	$(CXX) -c -o $@ $(TEST_GUI_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\test_gui_imagelist.o: ./graphics/imagelist.cpp
+	$(CXX) -c -o $@ $(TEST_GUI_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\test_gui_config.o: ./config/config.cpp
 	$(CXX) -c -o $@ $(TEST_GUI_CXXFLAGS) $(CPPDEPS) $<
 
diff --git a/tests/makefile.vc b/tests/makefile.vc
index c5652c9a21..75a60a9972 100644
--- a/tests/makefile.vc
+++ b/tests/makefile.vc
@@ -180,6 +180,7 @@ TEST_GUI_OBJECTS =  \
 	$(OBJS)\test_gui_coords.obj \
 	$(OBJS)\test_gui_graphmatrix.obj \
 	$(OBJS)\test_gui_graphpath.obj \
+	$(OBJS)\test_gui_imagelist.obj \
 	$(OBJS)\test_gui_config.obj \
 	$(OBJS)\test_gui_auitest.obj \
 	$(OBJS)\test_gui_bitmapcomboboxtest.obj \
@@ -984,7 +985,7 @@ data:
 
 data-images: 
 	if not exist image mkdir image
-	for %f in (horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png) do if not exist image\%f copy .\image\%f image
+	for %f in (horse_grey.bmp horse_grey_flipped.bmp horse_rle4.bmp horse_rle4_flipped.bmp horse_rle8.bmp horse_rle8_flipped.bmp horse_bicubic_50x50.png horse_bicubic_100x100.png horse_bicubic_150x150.png horse_bicubic_300x300.png horse_bilinear_50x50.png horse_bilinear_100x100.png horse_bilinear_150x150.png horse_bilinear_300x300.png horse_box_average_50x50.png horse_box_average_100x100.png horse_box_average_150x150.png horse_box_average_300x300.png cross_bicubic_256x256.png cross_bilinear_256x256.png cross_box_average_256x256.png cross_nearest_neighb_256x256.png paste_input_background.png paste_input_black.png paste_input_overlay_transparent_border_opaque_square.png paste_input_overlay_transparent_border_semitransparent_circle.png paste_input_overlay_transparent_border_semitransparent_square.png paste_result_background_plus_circle_plus_square.png paste_result_background_plus_overlay_transparent_border_opaque_square.png paste_result_background_plus_overlay_transparent_border_semitransparent_square.png paste_result_no_background_square_over_circle.png wx.png wx.ico) do if not exist image\%f copy .\image\%f image
 
 fr: 
 	if not exist $(OBJS)\intl\fr mkdir $(OBJS)\intl\fr
@@ -1330,6 +1331,9 @@ $(OBJS)\test_gui_graphmatrix.obj: .\graphics\graphmatrix.cpp
 $(OBJS)\test_gui_graphpath.obj: .\graphics\graphpath.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(TEST_GUI_CXXFLAGS) .\graphics\graphpath.cpp
 
+$(OBJS)\test_gui_imagelist.obj: .\graphics\imagelist.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(TEST_GUI_CXXFLAGS) .\graphics\imagelist.cpp
+
 $(OBJS)\test_gui_config.obj: .\config\config.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(TEST_GUI_CXXFLAGS) .\config\config.cpp
 
diff --git a/tests/test.bkl b/tests/test.bkl
index 0aa49e95cd..fae9cf2741 100644
--- a/tests/test.bkl
+++ b/tests/test.bkl
@@ -184,6 +184,7 @@
             graphics/coords.cpp
             graphics/graphmatrix.cpp
             graphics/graphpath.cpp
+            graphics/imagelist.cpp
             config/config.cpp
             controls/auitest.cpp
             controls/bitmapcomboboxtest.cpp
@@ -370,6 +371,9 @@
             paste_result_background_plus_overlay_transparent_border_opaque_square.png
             paste_result_background_plus_overlay_transparent_border_semitransparent_square.png
             paste_result_no_background_square_over_circle.png
+
+            wx.png
+            wx.ico
         </files>
     </wx-data>
 
diff --git a/tests/test_gui.vcxproj b/tests/test_gui.vcxproj
index 7032b4ce33..4f3b74f828 100644
--- a/tests/test_gui.vcxproj
+++ b/tests/test_gui.vcxproj
@@ -552,6 +552,7 @@
     <ClCompile Include="graphics\graphpath.cpp" />
     <ClCompile Include="graphics\colour.cpp" />
     <ClCompile Include="graphics\ellipsization.cpp" />
+    <ClCompile Include="graphics\imagelist.cpp" />
     <ClCompile Include="graphics\measuring.cpp" />
     <ClCompile Include="html\htmlparser.cpp" />
     <ClCompile Include="html\htmlwindow.cpp" />
@@ -585,4 +586,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/tests/test_gui.vcxproj.filters b/tests/test_gui.vcxproj.filters
index 0eede89fd6..4745342ec7 100644
--- a/tests/test_gui.vcxproj.filters
+++ b/tests/test_gui.vcxproj.filters
@@ -308,6 +308,9 @@
     <ClCompile Include="controls\auitest.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="graphics\imagelist.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="..\samples\sample.rc">
diff --git a/tests/test_vc7_test_gui.vcproj b/tests/test_vc7_test_gui.vcproj
index ec237145b5..d9b85333e6 100644
--- a/tests/test_vc7_test_gui.vcproj
+++ b/tests/test_vc7_test_gui.vcproj
@@ -457,6 +457,9 @@
 			<File
 				RelativePath=".\image\image.cpp">
 			</File>
+			<File
+				RelativePath=".\graphics\imagelist.cpp">
+			</File>
 			<File
 				RelativePath=".\controls\itemcontainertest.cpp">
 			</File>
diff --git a/tests/test_vc8_test_gui.vcproj b/tests/test_vc8_test_gui.vcproj
index dd1700c187..8ca2296c17 100644
--- a/tests/test_vc8_test_gui.vcproj
+++ b/tests/test_vc8_test_gui.vcproj
@@ -1078,6 +1078,10 @@
 				RelativePath=".\image\image.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\graphics\imagelist.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\controls\itemcontainertest.cpp"
 				>
diff --git a/tests/test_vc9_test_gui.vcproj b/tests/test_vc9_test_gui.vcproj
index ff01099d23..64697d8977 100644
--- a/tests/test_vc9_test_gui.vcproj
+++ b/tests/test_vc9_test_gui.vcproj
@@ -1050,6 +1050,10 @@
 				RelativePath=".\image\image.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\graphics\imagelist.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\controls\itemcontainertest.cpp"
 				>