VarR4FromDisp (Windows CE 5.0)
This function converts variant data types to float from IDispatch.
HRESULT VarR4FromDisp(IDispatch* pdispIn,LCIDlcid,float* pfltOut);
Parameters
- pdispIn
[in] The value to coerce. - lcid
[in] For conversions from string and VT_DISPATCH input, the LCID to use for the conversion. - pfltOut
[out] Points to the coerced value.
Return Values
Returns the HRESULT values shown in the following table.
| Value | Description |
|---|---|
| S_OK | Success. |
| DISP_E_BADVARTYPE | The input parameter is not a valid type of variant. |
| DISP_E_OVERFLOW | The data pointed to by the output parameter does not fit in the destination type. |
| DISP_E_TYPEMISMATCH | The argument could not be coerced to the specified type. |
| E_INVALIDARG | An argument is invalid. |
| E_OUTOFMEMORY | Memory could not be allocated for the conversion. |
Remarks
Passing invalid (and under some circumstances NULL) pointers to this function causes an unexpected termination of the application.
Requirements
OS Versions: Windows CE 2.0 and later.
Header: Oleauto.h.
Link Library: Oleaut32.lib.
See Also
Automation Functions | IDispatch
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