Type NET_DVR_SHOWSTRINGINFO
wShowString As Integer '预览的图象上是否显示字符:0-不显示,1-显示(显示区域范围为704*576,单个字符的大小为32*32)
wStringSize As Integer '该行字符的长度,不能大于44个字符
wShowStringTopLeftX As Integer '字符显示位置的x坐标
wShowStringTopLeftY As Integer '字符显示位置的y坐标
sString As String * 44 '要显示的字符内容
End Type
'字符叠加参数结构体
Type NET_DVR_SHOWSTRING
dwSize As Long '结构体大小
struStringInfo(MAX_STRINGNUM) As NET_DVR_SHOWSTRINGINFO '要显示的字符内容
End Type
怎么调用
'设置参数大配置接口(NET_DVR_SetDVRConfig)
Public Declare Function NET_DVR_SetDVRConfig Lib "HCNETSDK.dll" ( _
ByVal lUserID As Long, _
ByVal dwCommand As Long, _
ByVal lChannel As Long, _
lpInBuffer As Any, _
ByVal dwInBufferSize As Long) As Long