VarUI4FromI1
A version of this page is also available for
4/8/2010
This function converts variant data types to unsigned long from char.
Syntax
WINOLEAUTAPI VarUI4FromI1(
char cIn,
ULONG* pulOut
);
Parameters
- cIn
[in] The value to coerce.
- pulOut
[out] Points to the coerced value.
Return Value
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
| Header | oleauto.h |
| Library | oleaut32.lib |
| Windows Embedded CE | Windows CE 2.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |