Winform子窗体间切换时（激活某个子窗体）闪屏的解决

C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form1.resources C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Properties.Resources.resources C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.exe C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.pdb C:\Documents and Settings\renyang\桌面\工作\WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form2.resources