Fixing targeting requirements

README.md

@@ -1,6 +1,6 @@
 # WPF-Samples
 This repo contains the samples that demonstrate the API usage patterns and popular features for the Windows Presentation Foundation in the .NET Framework for Desktop. These samples were initially hosted on [MSDN](https://msdn.microsoft.com/en-us/library/vstudio/ms771633.aspx), and we are gradually 
-moving all the interesting WPF samples over to GitHub.All the samples have been retargeted to [.NET 4.5.2](http://www.microsoft.com/en-us/download/details.aspx?id=42642).
+moving all the interesting WPF samples over to GitHub.All the samples have been retargeted to [.NET 4.7.2](https://dotnet.microsoft.com/download/dotnet-framework-runtime/net472).
 
 For additional WPF samples, see [WPF Samples](https://msdn.microsoft.com/en-us/library/vstudio/ms771633.aspx).
 
@@ -25,7 +25,7 @@ These samples require Visual Studio 2017 to build, test, and deploy. The .NET Co
 
 To use the samples with Git, clone the WPF-Samples repository with 'git clone https://github.com/microsoft/WPF-Samples'
 
-After cloning the WPF-Samples respository, there will be two solution files in the root directory: WPF-Samples.sln (targeting .NET Framework 4.5.2) and WPF-Samples.netcore.sln (.NET SDK, targeting .NET core 3.0 and .NET Framework 4.72).
+After cloning the WPF-Samples respository, there will be two solution files in the root directory: WPF-Samples.sln (targeting .NET Framework 4.7.2) and WPF-Samples.netcore.sln (.NET SDK, targeting .NET core 3.0).
 
 * To build the samples, open one of the solution files in Visual Studio 2017 and build the solution.
 * Alternatively, navigate to the directory of a sample.  There will be two project files: sampleName.csproj (.NET 4.7.2) and sampleName.netcore.csproj (.NET Core 3.0). Build with 'dotnet build' or 'msbuild' specifying the target project file. 
@@ -37,7 +37,7 @@ The easiest way to use these samples without using Git is to download the zip fi
    **Notes:** 
    * Before you unzip the archive, right-click it, select Properties, and then select Unblock.
    * Most samples should work independently
-   * By default, all the .NET Framework samples target .NET 4.5.2, you can change this to .NET 4.6 in the Project->Properties page in Visual Studio.
-   * The .NET SDK versions of the projects target .NET core 3.0 and .NET Framework 4.7.2.
+   * By default, all the .NET Framework samples target .NET 4.7.2, you can change this to in the Project->Properties page in Visual Studio.
+   * The .NET SDK versions of the projects target .NET core 3.0.
 
 For more info about the programming models, platforms, languages, and APIs demonstrated in these samples, please refer to the guidance  available in  [MSDN](https://msdn.microsoft.com/en-us/library/ms754130.aspx). These samples are provided as-is in order to indicate or demonstrate the functionality of the programming models and feature APIs for WPF.