106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
// ITRS.H: ITResultSet interface declaration
|
|
|
|
#ifndef __ITRS_H__
|
|
#define __ITRS_H__
|
|
|
|
|
|
// {3BB91D41-998B-11d0-A850-00AA006C7D01}
|
|
DEFINE_GUID(IID_IITResultSet,
|
|
0x3bb91d41, 0x998b, 0x11d0, 0xa8, 0x50, 0x0, 0xaa, 0x0, 0x6c, 0x7d, 0x1);
|
|
|
|
// {4662daa7-d393-11d0-9a56-00c04fb68bf7} (changed from IT 3.0)
|
|
DEFINE_GUID(CLSID_IITResultSet,
|
|
0x4662daa7, 0xd393, 0x11d0, 0x9a, 0x56, 0x00, 0xc0, 0x4f, 0xb6, 0x8b, 0xf7);
|
|
|
|
// maximum number of columns in a row set
|
|
#define MAX_COLUMNS 256
|
|
|
|
// Column priorities
|
|
typedef enum
|
|
{
|
|
PRIORITY_LOW = 0,
|
|
PRIORITY_NORMAL = 1,
|
|
PRIORITY_HIGH = 2,
|
|
|
|
} PRIORITY;
|
|
|
|
|
|
// Forward declarations
|
|
class CProperty;
|
|
|
|
typedef struct tagROWSTATUS
|
|
{
|
|
LONG lRowFirst;
|
|
LONG cRows;
|
|
LONG cProperties;
|
|
LONG cRowsTotal;
|
|
|
|
} ROWSTATUS, *LPROWSTATUS;
|
|
|
|
|
|
typedef struct tagCOLUMNSTATUS
|
|
{
|
|
LONG cPropCount;
|
|
LONG cPropsLoaded;
|
|
|
|
} COLUMNSTATUS, *LPCOLUMNSTATUS;
|
|
|
|
|
|
// Used by IITResultSet::SetColumnHeap.
|
|
typedef SCODE (__stdcall *PFNCOLHEAPFREE)(LPVOID);
|
|
|
|
|
|
DECLARE_INTERFACE_(IITResultSet, IUnknown)
|
|
{
|
|
// Initialization
|
|
STDMETHOD(SetColumnPriority)(LONG lColumnIndex, PRIORITY ColumnPriority) PURE;
|
|
STDMETHOD(SetColumnHeap)(LONG lColumnIndex, LPVOID lpvHeap,
|
|
PFNCOLHEAPFREE pfnColHeapFree) PURE;
|
|
STDMETHOD(SetKeyProp)(PROPID PropID) PURE;
|
|
STDMETHOD(Add)(LPVOID lpvHdr) PURE;
|
|
STDMETHOD(Add)(PROPID PropID, LPVOID lpvDefaultData, DWORD cbData, PRIORITY Priority) PURE;
|
|
STDMETHOD(Add)(PROPID PropID, LPCWSTR lpszwDefault, PRIORITY Priority) PURE;
|
|
STDMETHOD(Add)(PROPID PropID, DWORD dwDefaultData, PRIORITY Priority) PURE;
|
|
|
|
// Build result set
|
|
STDMETHOD(Append)(LPVOID lpvHdr, LPVOID lpvData) PURE;
|
|
STDMETHOD(Set)(LONG lRowIndex, LPVOID lpvHdr, LPVOID lpvData) PURE;
|
|
STDMETHOD(Set)(LONG lRowIndex, LONG lColumnIndex, DWORD dwData) PURE;
|
|
STDMETHOD(Set)(LONG lRowIndex, LONG lColumnIndex, LPCWSTR lpwStr) PURE;
|
|
STDMETHOD(Set)(LONG lRowIndex, LONG lColumnIndex, LPVOID lpvData, DWORD cbData) PURE;
|
|
STDMETHOD(Copy)(IITResultSet* pRSCopy) PURE;
|
|
STDMETHOD(AppendRows)(IITResultSet* pResSrc, LONG lRowSrcFirst, LONG cSrcRows,
|
|
LONG& lRowFirstDest) PURE;
|
|
|
|
|
|
// Obtain info about result set
|
|
STDMETHOD(Get)(LONG lRowIndex, LONG lColumnIndex, CProperty& Prop) PURE;
|
|
STDMETHOD(GetKeyProp)(PROPID& KeyPropID) PURE;
|
|
STDMETHOD(GetColumnPriority)(LONG lColumnIndex, PRIORITY& ColumnPriority) PURE;
|
|
STDMETHOD(GetRowCount)(LONG& lNumberOfRows) PURE;
|
|
STDMETHOD(GetColumnCount)(LONG& lNumberOfColumns) PURE;
|
|
STDMETHOD(GetColumn)(LONG lColumnIndex, PROPID& PropID) PURE;
|
|
STDMETHOD(GetColumn)(LONG lColumnIndex, PROPID& PropID, DWORD& dwType, LPVOID& lpvDefaultValue,
|
|
DWORD& cbSize, PRIORITY& ColumnPriority) PURE;
|
|
|
|
STDMETHOD(GetColumnFromPropID)(PROPID PropID, LONG& lColumnIndex) PURE;
|
|
|
|
// Clear result set
|
|
STDMETHOD(Clear)() PURE;
|
|
STDMETHOD(ClearRows)() PURE;
|
|
STDMETHOD(Free)() PURE;
|
|
|
|
// Asynchronous support
|
|
STDMETHOD(IsCompleted)() PURE; // returns S_OK or S_FALSE
|
|
STDMETHOD(Cancel)() PURE;
|
|
STDMETHOD(Pause)(BOOL fPause) PURE;
|
|
|
|
STDMETHOD(GetRowStatus)(LONG lRowFirst, LONG cRows, LPROWSTATUS lpRowStatus) PURE;
|
|
STDMETHOD(GetColumnStatus)(LPCOLUMNSTATUS lpColStatus) PURE;
|
|
};
|
|
|
|
typedef IITResultSet* LPITRS;
|
|
|
|
|
|
#endif // __ITRS_H__
|