解决Win7下Jdeveloper（OAF）花屏的方法

     用文本编辑器打开 jdev.conf 文件
     
    D:\Jdeveloper\jdevbin\jdev\bin\jdev.conf
     
    找到下面内容
    # Disable Direct Draw, on some Windows 2000/XP base computers,
    # Direct Draw is cause excessive screen refreshes and slows down drawing.
    #AddVMOption    -Dsun.java2d.noddraw=true
     
    把最后一行前面的#号去掉！
    # Disable Direct Draw, on some Windows 2000/XP base computers,
    # Direct Draw is cause excessive screen refreshes and slows down drawing.
    AddVMOption    -Dsun.java2d.noddraw=true
     
    保存！