IDataFunctions_4_0::ConvertFloatString

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Use this method to convert a floating-point number represented as a string to a double Variant, based on the default or specified locale.

Definition

HRESULT IDataFunctions_4_0::ConvertFloatString(VARIANTvtNum,VARIANTvtLocale,VARIANT*pvtRet);

Parameters

vtNum

[in] A VARIANT that contains a string representation of the floating-point number to convert.

vtLocale

[in] A VARIANT that specifies the locale to use to convert the string. If this parameter is not specified, the value of the Locale property of the DataFunctions object is used.

pvtRet

[out, retval] A pointer to a double VARIANT used to return the converted floating-point number.

Return Values

This method returns an HRESULT indicating whether it completed successfully. See the Error Values section for more details.

Error Values

This method returns S_OK (0x00000000) to indicate success and standard COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors. 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 pvtRet parameter contains valid data only if the method completed successfully.

For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.

See Also

DataFunctions Object

IDataFunctions_4_0::get_Locale, put_Locale

IDataFunctions_4_0::Float

IDataFunctions_4_0::ValidateFloat


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