通过

System.Devices.Connected

  • 项目

设备连接状态。

Windows 10，版本 1703、Windows 10、版本 1607、Windows 10、版本 1511、Windows 10、版本 1507、Windows 8.1、Windows 8

propertyDescription
   name = System.Devices.Connected
   shellPKey = PKEY_Devices_Connected
   formatID = 78C34FC8-104A-4ACA-9EA4-524D52996E57
   propID = 55
   SearchInfo
      InInvertedIndex = false
      IsColumn = false
   typeInfo
      type = Boolean
      IsInnate = true

Windows 7

propertyDescription
   name = System.Devices.Connected
   shellPKey = PKEY_Devices_IsConnected
   formatID = 78C34FC8-104A-4ACA-9EA4-524D52996E57
   propID = 55
   SearchInfo
      InInvertedIndex = false
      IsColumn = false
   typeInfo
      type = Boolean
      IsInnate = true

备注

PKEY 值在 Propkey.h 中定义。

propertyDescription

searchInfo

labelInfo

typeInfo

displayInfo

stringFormat

booleanFormat

numberFormat

dateTimeFormat

enumeratedList

drawControl

editControl

filterControl

queryControl