C#关于跨Panel控件完成控件之间连接直线功能的实现

E:\Bobby-Work File\C#Ex\Graphic\Graphic\bin\Debug\Graphic.exe E:\Bobby-Work File\C#Ex\Graphic\Graphic\bin\Debug\Graphic.pdb E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\ResolveAssemblyReference.cache E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\Graphic.Form1.resources E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\Graphic.Properties.Resources.resources E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\Graphic.csproj.GenerateResource.Cache E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\Graphic.exe E:\Bobby-Work File\C#Ex\Graphic\Graphic\obj\Debug\Graphic.pdb D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.exe D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.pdb D:\搜狗高速下载\Graphic\Graphic\Graphic\bin\Debug\Graphic.exe D:\搜狗高速下载\Graphic\Graphic\Graphic\bin\Debug\Graphic.pdb D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\ResolveAssemblyReference.cache D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.Form1.resources D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.Properties.Resources.resources D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.csproj.GenerateResource.Cache D:\搜狗高速下载\Graphic\Graphic\Graphic\obj\Debug\Graphic.Form2.resources