?? opchda.pas
字號(hào):
dwAttributeID: DWORD;
ftTimeStamps: PFileTimeArray;
vAttributeValues: POleVariantArray;
end;
POPCHDA_ATTRIBUTE = ^OPCHDA_ATTRIBUTE;
OPCHDA_ATTRIBUTEARRAY = array[0..65535] of OPCHDA_ATTRIBUTE;
POPCHDA_ATTRIBUTEARRAY = ^OPCHDA_ATTRIBUTEARRAY;
OPCHDA_TIME = record
bString: BOOL;
szTime: POleStr;
ftTime: TFileTime;
end;
POPCHDA_TIME = ^OPCHDA_TIME;
OPCHDA_ITEM = record
hClient: OPCHANDLE;
haAggregate: DWORD;
dwCount: DWORD;
pftTimeStamps: PFileTimeArray;
pdwQualities: PDWORDARRAY;
pvDataValues: POleVariantArray;
end;
POPCHDA_ITEM = ^OPCHDA_ITEM;
OPCHDA_ITEMARRAY = array[0..65535] of OPCHDA_ITEM;
POPCHDA_ITEMARRAY = ^OPCHDA_ITEMARRAY;
OPCHDA_ITEMPTRARRAY = array[0..65535] of POPCHDA_ITEM;
POPCHDA_ITEMPTRARRAY = ^OPCHDA_ITEMPTRARRAY;
// *********************************************************************//
// Interface: IOPCHDA_Browser
// GUID: {1F1217B1-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_Browser = interface(IUnknown)
['{1F1217B1-DEE0-11D2-A5E5-000086339399}']
function GetEnum(
dwBrowseType: OPCHDA_BROWSETYPE;
out ppIEnumString: IEnumString): HResult; stdcall;
function ChangeBrowsePosition(
dwBrowseDirection: OPCHDA_BROWSEDIRECTION;
szString: POleStr): HResult; stdcall;
function GetItemID(
szNode: POleStr;
out pszItemID: POleStr): HResult; stdcall;
function GetBranchPosition(
out pszBranchPos: POleStr): HResult; stdcall;
end;
// *********************************************************************//
// Interface: IOPCHDA_Server
// GUID: {1F1217B0-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_Server = interface(IUnknown)
['{1F1217B0-DEE0-11D2-A5E5-000086339399}']
function GetItemAttributes(
out pdwCount: DWORD;
out ppdwAttrID: PDWORDARRAY;
out ppszAttrName: POleStrList;
out ppszAttrDesc: POleStrList;
out ppvtAttrDataType: PVarTypeList): HResult; stdcall;
function GetAggregates(
out pdwCount: DWORD;
out ppdwAggrID: PDWORDARRAY;
out ppszAggrName: POleStrList;
out ppszAggrDesc: POleStrList): HResult; stdcall;
function GetHistorianStatus(
out pwStatus: OPCHDA_SERVERSTATUS;
out pftCurrentTime: PFileTimeArray;
out pftStartTime: PFileTimeArray;
out pwMajorVersion: Word;
out pwMinorVersion: Word;
out pwBuildNumber: Word;
out pdwMaxReturnValues: DWORD;
out ppszStatusString: POleStr;
out ppszVendorInfo: POleStr): HResult; stdcall;
function GetItemHandles(
dwCount: DWORD;
pszItemID: POleStrList;
phClient: POPCHANDLEARRAY;
out pphServer: POPCHANDLEARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ReleaseItemHandles(
dwCount: DWORD;
phServer: POPCHANDLEARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ValidateItemIDs(
dwCount: DWORD;
pszItemID: POleStrList;
out ppErrors: PResultList): HResult; stdcall;
function CreateBrowse(
dwCount: DWORD;
pdwAttrID: PDWORDARRAY;
pOperator: POPCHDA_OPERATORCODESARRAY;
vFilter: POleVariantArray;
out pphBrowser: IOPCHDA_Browser;
out ppErrors: PResultList): HResult; stdcall;
end;
// *********************************************************************//
// Interface: IOPCHDA_SyncRead
// GUID: {1F1217B2-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_SyncRead = interface(IUnknown)
['{1F1217B2-DEE0-11D2-A5E5-000086339399}']
function ReadRaw(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
dwNumValues: DWORD;
bBounds: BOOL;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out ppItemValues: POPCHDA_ITEMARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ReadProcessed(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
ftResampleInterval: TFileTime;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
haAggregate: PDWORDARRAY;
out ppItemValues: POPCHDA_ITEMARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ReadAtTime(
dwNumTimeStamps: DWORD;
ftTimeStamps: PFileTimeArray;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out ppItemValues: POPCHDA_ITEMARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ReadModified(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
dwNumValues: DWORD;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out ppItemValues: POPCHDA_MODIFIEDITEMARRAY;
out ppErrors: PResultList): HResult; stdcall;
function ReadAttribute(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
hServer: OPCHANDLE;
dwNumAttributes: DWORD;
pdwAttributeIDs: PDWORDARRAY;
out ppAttributeValues: POPCHDA_ATTRIBUTEARRAY;
out ppErrors: PResultList): HResult; stdcall;
end;
// *********************************************************************//
// Interface: IOPCHDA_SyncUpdate
// GUID: {1F1217B3-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_SyncUpdate = interface(IUnknown)
['{1F1217B3-DEE0-11D2-A5E5-000086339399}']
function QueryCapabilities(
out pCapabilities: OPCHDA_UPDATECAPABILITIES):
HResult; stdcall;
function Insert(
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
ftTimeStamps: PFileTimeArray;
vDataValues: POleVariantArray;
pdwQualities: PDWORDARRAY;
out ppErrors: PResultList): HResult; stdcall;
function Replace(
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
ftTimeStamps: PFileTimeArray;
vDataValues: POleVariantArray;
pdwQualities: PDWORDARRAY;
out ppErrors: PResultList): HResult; stdcall;
function InsertReplace(
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
ftTimeStamps: PFileTimeArray;
vDataValues: POleVariantArray;
pdwQualities: PDWORDARRAY;
out ppErrors: PResultList): HResult; stdcall;
function DeleteRaw(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out ppErrors: PResultList): HResult; stdcall;
function DeleteAtTime(
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
ftTimeStamps: PFileTimeArray;
out ppErrors: PResultList): HResult; stdcall;
end;
// *********************************************************************//
// Interface: IOPCHDA_SyncAnnotations
// GUID: {1F1217B4-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_SyncAnnotations = interface(IUnknown)
['{1F1217B4-DEE0-11D2-A5E5-000086339399}']
function QueryCapabilities(
out pCapabilities: OPCHDA_ANNOTATIONCAPABILITIES):
HResult; stdcall;
function Read(
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out ppAnnotationValues: POPCHDA_ANNOTATIONARRAY;
out ppErrors: PResultList): HResult; stdcall;
function Insert(
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
ftTimeStamps: PFileTimeArray;
pAnnotationValues: POPCHDA_ANNOTATIONARRAY;
out ppErrors: PResultList): HResult; stdcall;
end;
// *********************************************************************//
// Interface: IOPCHDA_AsyncRead
// GUID: {1F1217B5-DEE0-11D2-A5E5-000086339399}
// *********************************************************************//
IOPCHDA_AsyncRead = interface(IUnknown)
['{1F1217B5-DEE0-11D2-A5E5-000086339399}']
function ReadRaw(
dwTransactionID: DWORD;
var htStartTime: OPCHDA_TIME;
var htEndTime: OPCHDA_TIME;
dwNumValues: DWORD;
bBounds: BOOL;
dwNumItems: DWORD;
phServer: POPCHANDLEARRAY;
out pdwCancelID: DWORD;
out ppErrors: PResultList): HResult; stdcall;
function AdviseRaw(
dwTransactionID: DWORD;
var htStartTime: OPCHDA_TIME;
ftUpdateInterval: TFileTime;
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -