RAD Studio VCL Reference
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VarUtils.VarR8FromStr Variable
VarUtils | Description | See Also
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VarR8FromStr is used to specify the function that makes the conversion from a WideString to a eight bytes floating-point value.

Pascal
VarR8FromStr: function(const strIn: WideString; LCID: Integer; dwFlags: Longint; out dblOut: Double): HRESULT;
C++
function(const strIn: WideString; LCID: Integer; dwFlags: Longint; out dblOut: Double): HRESULT VarR8FromStr;
File
Description

Use VarR8FromStr to specify the function that makes the conversion from the WideString given through strIn to the eight bytes floating-point value stored in dblOut. The LCID parameter is a locale identifier and dwFlags specifies the flags used in the conversion.  

The function stored in VarR8FromStr returns the result of the conversion operation, which can be one of the following.

Value 
Meaning 
VAR_OK 
The conversion was successful. 
VAR_BADVARTYPE 
The variant type of the input parameter is not valid. 
VAR_OVERFLOW 
The data stored in the output parameter does not fit in the destination type. 
VAR_TYPEMISMATCH 
The argument cannot be cast to the specified type. 
VAR_INVALIDARG 
Either one of the arguments is invalid. 
VAR_OUTOFMEMORY 
There is not enough memory to complete the conversion. 

 

See Also
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