全局代码
Public Declare Function camInitCameraLib Lib "CmCapture.dll" Alias "camInitCameraLib" () As Long
Public Declare Function camGetDevCount Lib "CmCapture.dll" Alias "camGetDevCount" (byref count As Long) As Long
Public Declare Function camGetDevName Lib "CmCapture.dll" Alias "camGetDevName" (ByVal devIndex As Long ,width As Long, height As Long) As String
Public Declare Function camOpenDev Lib "CmCapture.dll" Alias "camOpenDev" (ByVal devIndex As Long,subtype As Long) As Long '关闭设备
Public Declare Function camCloseDev Lib "CmCapture.dll" Alias "camCloseDev" (ByVal devIndex As Long) As Long '关闭设备
调用如:
dim iRetUSB as integer = camInitCameraLib()
if iRetUSB = 0 then
msgbox("初始化成功")
end if
最好找设备厂家要c#的调用实例