guid的问题 ~~~

[popid]

VB.NET里可以使用guid吗？
我在程序里定义了一个guid类型
然后给它赋值，但是怎么也付不了值
一直是空值 请问怎么回事啊？

[popid]

自己顶！！

[解释多余的]

guid是自动生成的

[weilu0328]

GUID 在VB.NET里，确实是系统自带的类型随机数,可以如此用: System.GUID.NewGUID();

[Qinlove]

给一段我在VB2008里写的代码, 没有任何问题：

Public Shared GUID_DEVINTERFACE_DISK As Guid = New Guid("53f56307-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_CDROM As Guid = New Guid("53f56308-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_PARTITION As Guid = New Guid("53f5630a-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_TAPE As Guid = New Guid("53f5630b-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_WRITEONCEDISK As Guid = New Guid("53f5630c-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_VOLUME As Guid = New Guid("53f5630d-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_MEDIUMCHANGER As Guid = New Guid("53f56310-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_FLOPPY As Guid = New Guid("53f56311-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_CDCHANGER As Guid = New Guid("53f56312-b6bf-11d0-94f2-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_STORAGEPORT As Guid = New Guid("2accfe60-c130-11d2-b082-00a0c91efb8b")
Public Shared GUID_DEVINTERFACE_HIDDEN_VOLUME As Guid = New Guid("7f108a28-9833-4b3b-b780-2c6b5fa5c062")
Public Shared GUID_DEVINTERFACE_COMPORT As Guid = New Guid("86e0d1e0-8089-11d0-9ce4-08003e301f73")
Public Shared GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR As Guid = New Guid("4D36E978-E325-11CE-BFC1-08002BE10318")
Public Shared GUID_DEVINTERFACE_KEYBOARD As Guid = New Guid("884b96c3-56ef-11d1-bc8c-00a0c91405dd")
Public Shared GUID_DEVINTERFACE_MODEM As Guid = New Guid("2c7089aa-2e0e-11d1-b114-00c04fc2aae4")
Public Shared GUID_DEVINTERFACE_MOUSE As Guid = New Guid("378de44c-56ef-11d1-bc8c-00a0c91405dd")
Public Shared GUID_DEVINTERFACE_PARALLEL As Guid = New Guid("97F76EF0-F883-11D0-AF1F-0000F800845C")
Public Shared GUID_DEVINTERFACE_PARCLASS As Guid = New Guid("811FC6A5-F728-11D0-A537-0000F8753ED1")
Public Shared GUID_DEVINTERFACE_DISPLAY_ADAPTER As Guid = New Guid("5b45201d-f2f2-4f3b-85bb-30ff1f953599")
Public Shared GUID_DEVINTERFACE_MONITOR As Guid = New Guid("e6f07b5f-ee97-4a90-b076-33f57bf4eaa7")
Public Shared GUID_DEVINTERFACE_VIDEO_OUTPUT_ARRIVAL As Guid = New Guid("1AD9E4F0-F88D-4360-BAB9-4C2D55E564CD")
Public Shared GUID_DEVINTERFACE_USB_HUB As Guid = New Guid("f18a0e88-c30c-11d0-8815-00a0c906bed8")
Public Shared GUID_DEVINTERFACE_USB_DEVICE As Guid = New Guid("A5DCBF10-6530-11D2-901F-00C04FB951ED")
Public Shared GUID_DEVINTERFACE_USB_HOST_CONTROLLER As Guid = New Guid("3abf6f2d-71c4-462a-8a92-1e6861e6af27")
Public Shared GUID_DEVINTERFACE_I2C As Guid = New Guid("2564AA4F-DDDB-4495-B497-6AD4A84163D7")
Public Shared GUID_DEVINTERFACE_OPM As Guid = New Guid("BF4672DE-6B4E-4BE4-A325-68A91EA49C09")
Public Shared GUID_DEVINTERFACE_BRIGHTNESS As Guid = New Guid("FDE5BBA4-B3F9-46FB-BDAA-0728CE3100B4")
Public Shared GUID_DEVINTERFACE_HID As Guid = New Guid("4D1E55B2-F16F-11CF-88CB-001111000030")
Public Shared GUID_DEVINTERFACE_NET As Guid = New Guid("cac88484-7515-4c03-82e6-71a87abac361")
Public Shared GUID_DEVINTERFACE_WPD As Guid = New Guid("6AC27878-A6FA-4155-BA85-F98F491D4F33")
Public Shared GUID_DEVINTERFACE_WPD_PRIVATE As Guid = New Guid("BA0C718F-4DED-49B7-BDD3-FABE28661211")
Public Shared GUID_DEVINTERFACE_IMAGE As Guid = New Guid("6bdd1fc6-810f-11d0-bec7-08002be2092f")
Public Shared GUID_DEVINTERFACE_SIDESHOW As Guid = New Guid("152e5811-feb9-4b00-90f4-d32947ae1681")

Public Shared GUID_DEVICE_CLASS_USB As Guid = New Guid("36FC9E60-C465-11CF-8056-444553540000")
Public Shared GUID_DEVICE_CLASS_DISKDRIVE As Guid = New Guid("4D36E967-E325-11CE-BFC1-08002BE10318")
Public Shared GUID_DEVICE_CLASS_PCMCIA As Guid = New Guid("4D36E977-E325-11CE-BFC1-08002BE10318")
Public Shared GUID_DEVICE_CLASS_MTD As Guid = New Guid("4D36E970-E325-11CE-BFC1-08002BE10318")
Public Shared GUID_DEVICE_CLASS_FLOPPYDISK As Guid = New Guid("4D36E980-E325-11CE-BFC1-08002BE10318")
Public Shared GUID_DEVICE_CLASS_SMARTCARDREADER As Guid = New Guid("50DD5230-BA8A-11D1-BF5D-0000F805F530")
Public Shared GUID_DEVICE_CLASS_VOLUME As Guid = New Guid("71A27CDD-812A-11D0-BEC7-08002BE2092F")
Public Shared GUID_DEVICE_CLASS_SDHOST As Guid = New Guid("A0A588A4-C46F-4B37-B7EA-C82FE89870C6")
Public Shared GUID_DEVICE_CLASS_NDIS_LAN As Guid = New Guid("ad498944-762f-11d0-8dcb-00c04fc3358c")