VarBoolFromUI4 (Windows CE 5.0)
This function converts variant data types to BOOL from unsigned long.
WINOLEAUTAPI VarBoolFromUI4( ULONG ulIn, BOOL* pboolOut );
Parameters
- ulIn
[in] The value to coerce. - pboolOut
[out] Points to the coerced value.
Return Values
The following HRESULT values can be returned.
| 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 into this function causes an unexpected termination of the application.
To determine whether the platform supports this function, see Determining Supported COM APIs.
Requirements
OS Versions: Windows CE 2.0 and later.
Header: Oleauto.h.
Link Library: Oleaut32.lib.
See Also
Automation Functions | Determining Supported COM APIs
Send Feedback on this topic to the authors