Macros pour les modèles du fournisseur OLE DB
The OLE DB Templates Provider macros offer functionality in the following categories:
Property Set Map Macros
Marks the beginning of a property set. |
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Marks the beginning of a property set. |
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Marks the beginning of a property set that can be hidden or defined outside the scope of the provider. |
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Chains property groups together. |
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Marks the end of a property set. |
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Marks the end of a property set map. |
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Sets a specific property in a property set to a default value. |
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Sets a specific property in a property set to a value supplied by you. Also enables you to set flags and options. |
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Sets a specific property in a property set to a value supplied by you. |
Column Map Macros
Marks the beginning of the provider column map entries. |
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Marks the end of the provider column map entries. |
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Represents a specific column supported by the provider. |
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Represents a specific column supported by the provider. You can specify the column's size, data type, precision, scale, and schema rowset GUID. |
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Represents a specific column supported by the provider. You can specify the column data type. |
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Represents a specific column supported by the provider. You can specify the column size. |
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Represents a specific column supported by the provider. It assumes the column type is a string. |
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Represents a specific column supported by the provider. Like PROVIDER_COLUMN_ENTRY_LENGTH, but also allows you to specify the column's data type as well as size. |
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Represents a specific column supported by the provider. It assumes the column type is a Unicode character string. |
Schema Rowset Macros
Marks the beginning of a schema map. |
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Associates a GUID with a class. |
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Marks the end of a schema map. |
Voir aussi
Référence
Création d'un fournisseur OLE DB
Concepts
Modèles du fournisseur OLE DB (C++)