截屏 c#语言 可保存为jpeg bmp gif 格式

C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\bin\Debug\CopyScreen.exe C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\bin\Debug\CopyScreen.pdb C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.Form1.resources C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.frmScreen.resources C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.Properties.Resources.resources C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.csproj.GenerateResource.Cache C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.exe C:\Documents and Settings\Administrator\桌面\CopyScreen\codefans.net\CopyScreen\CopyScreen\obj\Debug\CopyScreen.pdb