System.VarUtils.VarR8FromStr
Delphi
VarR8FromStr: function(const strIn: _POleStr; LCID: Integer; dwFlags: Integer;
out dblOut: Double): HRESULT; stdcall;
C++
extern DELPHI_PACKAGE HRESULT __stdcall (*VarR8FromStr)(const System::WideChar * strIn, int LCID, int dwFlags, /* out */ double &dblOut);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| variable | public | System.VarUtils.pas System.VarUtils.hpp |
System.VarUtils | System.VarUtils |
Description
VarR8FromStr is used to specify the function that makes the conversion from a WideString to a eight bytes floating-point value.
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. |