<?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup /> <ItemGroup> <Compile Update="BlackJack.cs"> <SubType>Form</SubType> </Compile> <Compile Update="PuzzleForm.cs"> <SubType>Form</SubType> </Compile> <Compile Update="RoundedButton.cs"> <SubType>Component</SubType> </Compile> <Compile Update="SettingForm.cs"> <SubType>Form</SubType> </Compile> </ItemGroup> </Project>