C#实现窗体透明度可调同时控件不透明

E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.FormLucency.resources E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.FormMemo.resources E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.Properties.Resources.resources E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.csproj.GenerateResource.Cache E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\bin\Debug\MakeLucency.exe E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\bin\Debug\MakeLucency.pdb E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.exe E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.pdb E:\学习文档\C#学习文档\BegVCSharp\Chapter21\MakeLucency\MakeLucency\obj\x86\Debug\MakeLucency.csprojResolveAssemblyReference.cache