DG Kernel (ActiveX) Documentation


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IUserData Interface

GetData
SetData
GetLayerName
SetLayerName

IUserData interface gives access to two user-defined properties in items: "Object User Data" and "Layer Name"

IUserData can be queried fro the correspondent ISection or IItem interface.

See also User Data Sample, IDataTable, IData, IRecordSet 


HRESULT GetData(int *data)

Parameters

data - [out, retval] The returned number associated with the object 

Return Values:

S_OK in case of success.

Remarks:

Returns the integer number stored by a call to SetData below  or default. The default value for objects in the model is 0.


HRESULT SetData(int data)

Parameters

data - [in] the number stored in the object, which implements the interface. 

Return Values

S_OK in case of success.

Remarks:

Stores the integer number in a member of the object, which implements the interface. The default value for objects in the model is 0. The number can serve as an index or  link to expanded information about the object.


HRESULT GetLayerName(BSTR *name)

Parameters

name - [out, retval] Name of the layer where the object belongs to.

Return Values

S_OK in case of success.

Remarks:

Returns layer name to the object. There is no separate "layer" objects created in DG Kernel models. In every operations where layers are involved only the assigned names are used to  to dynamically classify objects. 


HRESULT SetLayerName(char* name)

Parameters

name - [in] Name of the table to be created. Ignored in this release. Can be set to empty string or NULL. 

Return Values

S_OK in case of success.

Remarks:

Assigns layer name to the object. There is no separate "layer" objects created in DG Kernel models. In every operations where layer is involved only the assigned names are used to  to dynamically classify objects.