c# 生成图片略微图，单张处理，批量处理，DEMO，完整代码

D:\CutPhoto\CutPhoto\CutPhoto\bin\Debug\CutPhoto.exe D:\CutPhoto\CutPhoto\CutPhoto\bin\Debug\CutPhoto.pdb D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\ResolveAssemblyReference.cache D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Form1.resources D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Properties.Resources.resources D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\CutPhoto.csproj.GenerateResource.Cache D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\CutPhoto.exe D:\CutPhoto\CutPhoto\CutPhoto\obj\Debug\CutPhoto.pdb C:\Documents and Settings\Administrator\桌面\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.exe C:\Documents and Settings\Administrator\桌面\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.pdb E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.exe E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.pdb E:\666\CutPhoto_26233\CutPhoto\CutPhoto\bin\Debug\CutPhoto.exe E:\666\CutPhoto_26233\CutPhoto\CutPhoto\bin\Debug\CutPhoto.pdb E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\ResolveAssemblyReference.cache E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Form1.resources E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Properties.Resources.resources E:\666\CutPhoto_26233\CutPhoto\CutPhoto\obj\Debug\CutPhoto.csproj.GenerateResource.Cache C:\CutPhoto\CutPhoto\obj\Debug\CutPhoto.exe C:\CutPhoto\CutPhoto\obj\Debug\CutPhoto.pdb C:\CutPhoto\CutPhoto\bin\Debug\CutPhoto.exe C:\CutPhoto\CutPhoto\bin\Debug\CutPhoto.pdb C:\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Form1.resources C:\CutPhoto\CutPhoto\obj\Debug\CutPhoto.Properties.Resources.resources C:\CutPhoto\CutPhoto\obj\Debug\CutPhoto.csproj.GenerateResource.Cache