简单扩展winform中的ListBox，实现项闪烁、项变色，和代码拉动滚动条

C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ListColorfulBox.Demo.Form1.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ListColorfulBox.Demo.Properties.Resources.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ListColorfulBoxDemo.csproj.GenerateResource.Cache C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\bin\Debug\ListColorfulBox.Demo.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\bin\Debug\ListColorfulBox.Demo.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\bin\Debug\ListColorfulBox.dll C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\bin\Debug\ListColorfulBox.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ListColorfulBox.Demo.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListBoxUserChangeColorDemo1\ListBoxUserChangeColorDemo1\obj\Debug\ListColorfulBox.Demo.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ListColorfulBox.Demo.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ListColorfulBox.Demo.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\bin\Debug\ListColorfulBox.Demo.exe C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\bin\Debug\ListColorfulBox.Demo.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\bin\Debug\ListColorfulBox.dll C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\bin\Debug\ListColorfulBox.pdb C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ListColorfulBox.Demo.Form1.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ListColorfulBox.Demo.Properties.Resources.resources C:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\ListColorfulBox\ListColorfulBoxDemo1\obj\Debug\ListColorfulBoxDemo.csproj.GenerateResource.Cache