diff --git a/Exemples_coreOnly.sln b/Exemples_coreOnly.sln
index 6a4ce81..29db6c8 100644
--- a/Exemples_coreOnly.sln
+++ b/Exemples_coreOnly.sln
@@ -531,10 +531,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ex_042_011_EF_CF_Many_to_Ma
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ex_042_012_EF_CF_Many_to_Many_procurators", "ex_042_012_EF_CF_Many_to_Many_procurators\ex_042_012_EF_CF_Many_to_Many_procurators.csproj", "{A14CDD6E-3E6E-4E7A-9277-3F00C0F658FD}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ex_050_010_Threading_en_UWP", "ex_050_010_Threading_en_UWP\ex_050_010_Threading_en_UWP.csproj", "{0D922BCD-7C0F-43FF-A015-F547716B8284}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ex_052_006_problématique_6_UWP", "ex_052_006_problématique_6_UWP\ex_052_006_problématique_6_UWP.csproj", "{BCE167F6-6323-46FC-A112-D9941A75815A}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -4441,46 +4437,6 @@ Global
 		{A14CDD6E-3E6E-4E7A-9277-3F00C0F658FD}.Release|x64.Build.0 = Release|Any CPU
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 		{A14CDD6E-3E6E-4E7A-9277-3F00C0F658FD}.Release|x86.Build.0 = Release|Any CPU
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|Any CPU.ActiveCfg = Debug|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|Any CPU.Build.0 = Debug|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|ARM.ActiveCfg = Debug|ARM
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|ARM.Build.0 = Debug|ARM
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|ARM64.Build.0 = Debug|ARM64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|x64.ActiveCfg = Debug|x64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|x64.Build.0 = Debug|x64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|x86.ActiveCfg = Debug|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Debug|x86.Build.0 = Debug|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|Any CPU.ActiveCfg = Release|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|Any CPU.Build.0 = Release|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|ARM.ActiveCfg = Release|ARM
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|ARM.Build.0 = Release|ARM
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-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|ARM64.Build.0 = Release|ARM64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|x64.ActiveCfg = Release|x64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|x64.Build.0 = Release|x64
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|x86.ActiveCfg = Release|x86
-		{0D922BCD-7C0F-43FF-A015-F547716B8284}.Release|x86.Build.0 = Release|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|Any CPU.ActiveCfg = Debug|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|Any CPU.Build.0 = Debug|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|ARM.ActiveCfg = Debug|ARM
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|ARM.Build.0 = Debug|ARM
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|ARM64.ActiveCfg = Debug|ARM64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|ARM64.Build.0 = Debug|ARM64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|x64.ActiveCfg = Debug|x64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|x64.Build.0 = Debug|x64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|x86.ActiveCfg = Debug|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Debug|x86.Build.0 = Debug|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|Any CPU.ActiveCfg = Release|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|Any CPU.Build.0 = Release|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|ARM.ActiveCfg = Release|ARM
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|ARM.Build.0 = Release|ARM
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|ARM64.ActiveCfg = Release|ARM64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|ARM64.Build.0 = Release|ARM64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|x64.ActiveCfg = Release|x64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|x64.Build.0 = Release|x64
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|x86.ActiveCfg = Release|x86
-		{BCE167F6-6323-46FC-A112-D9941A75815A}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -4734,8 +4690,6 @@ Global
 		{AAD4491F-7CF7-4581-8AF5-FBB0CEA6EA23} = {C4385771-4731-42DA-8889-2087828D5FCE}
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 		{A14CDD6E-3E6E-4E7A-9277-3F00C0F658FD} = {593200F9-6D14-43BC-9289-8BB75FAC6552}
-		{0D922BCD-7C0F-43FF-A015-F547716B8284} = {BF2B43D0-95C2-402B-92C3-D2464C117A6E}
-		{BCE167F6-6323-46FC-A112-D9941A75815A} = {7FDA2D7D-5385-485D-B8B5-60727583D6ED}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {8D31C3AE-36FF-4667-A2A7-0E670245A59E}