wpf用鼠标在Canvas画线画圆等图形

[{"title":"（ 26 个子文件 48KB ） wpf用鼠标在Canvas画线画圆等图形","children":[{"title":"DrawBoard","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"DrawBoard.pdb <span style='color:#111;'> 31.50KB </span>","children":null,"spread":false},{"title":"DrawBoard.vshost.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"DrawBoard.exe <span style='color:#111;'> 14.00KB </span>","children":null,"spread":false},{"title":"DrawBoard.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"App.xaml <span style='color:#111;'> 290B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"DrawBoard.g.resources <span style='color:#111;'> 3.24KB </span>","children":null,"spread":false},{"title":"DrawBoard.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"DrawBoard.pdb <span style='color:#111;'> 31.50KB </span>","children":null,"spread":false},{"title":"DrawBoard_MarkupCompile.cache <span style='color:#111;'> 232B </span>","children":null,"spread":false},{"title":"App.g.cs <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false},{"title":"Window1.g.cs <span style='color:#111;'> 8.59KB </span>","children":null,"spread":false},{"title":"DrawBoard.csproj.FileListAbsolute.txt <span style='color:#111;'> 867B </span>","children":null,"spread":false},{"title":"DrawBoard.exe <span style='color:#111;'> 14.00KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"DrawBoard.csproj.GenerateResource.Cache <span style='color:#111;'> 789B </span>","children":null,"spread":false},{"title":"Window1.baml <span style='color:#111;'> 3.03KB </span>","children":null,"spread":false}],"spread":false}],"spread":true},{"title":"DrawBoard.sln <span style='color:#111;'> 907B </span>","children":null,"spread":false},{"title":"DrawBoard.suo <span style='color:#111;'> 16.50KB </span>","children":null,"spread":false},{"title":"Window1.xaml <span style='color:#111;'> 3.34KB </span>","children":null,"spread":false},{"title":"App.xaml.cs <span style='color:#111;'> 299B </span>","children":null,"spread":false},{"title":"DrawBoard.csproj <span style='color:#111;'> 4.12KB </span>","children":null,"spread":false},{"title":"Window1.xaml.cs <span style='color:#111;'> 3.67KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 201B </span>","children":null,"spread":false},{"title":"AssemblyInfo.cs <span style='color:#111;'> 2.24KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.55KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]