IExpressionStore::GetAllExprs
.gif "Ee784693.c++_off(en-US,CS.10).gif")
.gif "Ee784693.vb_on(en-US,CS.10).gif")
Use this method to retrieve an ADO hierarchical Recordset object that contains all the expressions residing in the expression store.
Definition
HRESULT IExpressionStore::GetAllExprs(_Recordset**ppRSExprs);
Parameters
ppRSExprs
[out, retval] An address of a pointer to an ADO hierarchical Recordset object that contains all the expressions residing in the expression store.
Return Values
This method returns an HRESULT indicating whether or not it completed successfully. See the Error Values section for more details.
Error Values
This method returns S_OK (0x00000000) to indicate success and either standard or custom COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors.
The following table shows the custom COM errors that this method can return.
| Constant | Value | Description |
| E_EXPR_BADCONNECTION | 0x8110001F | Invalid connection |
| E_EXPR_NOCONNECTIONSTRING | 0x8110000D | No connection string specified |
Additional information may be available using the global Err object, which can be accessed using the API function GetErrorInfo. In particular, the GetDescription method of the IErrorInfo interface may return a text description of the error.
Remarks
The Recordset object contains one record for each expression in the expression store. For information on the format and fields of the Recordset object, see Expression Recordset.
Use the GetExpression method to retrieve a single expression from the expression store.
Call the Connect method before calling the GetAllExprs method.
For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.
The ppRSExprs parameter contains valid data only if the method completes successfully.