C# 渐变由小变大软件启动界面特效

F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\bin\Debug\kaiqidonghuan.exe F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\bin\Debug\kaiqidonghuan.pdb F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\ResolveAssemblyReference.cache F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\kaiqidonghuan.Formdonghua.resources F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\kaiqidonghuan.Properties.Resources.resources F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\kaiqidonghuan.csproj.GenerateResource.Cache F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\kaiqidonghuan.exe F:\GC\gouyue\kaiqidonghuan\kaiqidonghuan\obj\Debug\kaiqidonghuan.pdb F:\GC\666\C#\发布\0812\C#081206-启动窗体动画显示\kaiqidonghuan\obj\Debug\kaiqidonghuan.exe F:\GC\666\C#\发布\0812\C#081206-启动窗体动画显示\kaiqidonghuan\obj\Debug\kaiqidonghuan.pdb