ICabNode::GetDouble Method
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{{#customTitle:ICabNode::GetDouble Method}} | {{#customTitle:ICabNode::GetDouble Method}} | ||
| + | {{#parentPage:PXV:ICabNode#Methods|GetDouble|method}} | ||
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| − | + | Returns the subnode value as a double precision floating point value (performing acceptable [[PXV:ICabNode:TypeConversions|type conversion]] if necessary). | |
== Syntax == | == Syntax == | ||
| − | <pre class="brush:cpp;gutter:false">HRESULT GetDouble([in] LPWSTR | + | <pre class="brush:cpp;gutter:false">HRESULT GetDouble([in] LPWSTR sKey, |
| − | [in, defaultvalue(0.0)] double | + | [in, defaultvalue(0.0)] double nDefVal, |
| − | [out, retval] double* | + | [out, retval] double* nVal);</pre> |
== Parameters == | == Parameters == | ||
| − | ; | + | ;sKey |
:[in] Value of LPWSTR. | :[in] Value of LPWSTR. | ||
| − | ; | + | :Identifies a subnode. See [[PXV:CAB:SubnodeIdentification|CAB subnode identification syntax]]. |
| + | ;nDefVal | ||
:[in, defaultvalue(0.0)] Value of double. | :[in, defaultvalue(0.0)] Value of double. | ||
| − | ; | + | :A value to be returned in case of error (subnode does not exist, has incompatible type etc.). |
| + | ;nVal | ||
:[out, retval] Pointer to double. | :[out, retval] Pointer to double. | ||
| − | + | :The address of a <code>double</code> variable that receives a referenced subnode value. | |
== Return Value == | == Return Value == | ||
Returns S_OK if operation was successful or error code in other cases. | Returns S_OK if operation was successful or error code in other cases. | ||
== See Also == | == See Also == | ||
| − | [[PXV:ICabNode|ICabNode]] | + | [[PXV:ICabNode|ICabNode]] |
Latest revision as of 06:00, 15 June 2015
Returns the subnode value as a double precision floating point value (performing acceptable type conversion if necessary).
Syntax
HRESULT GetDouble([in] LPWSTR sKey,
[in, defaultvalue(0.0)] double nDefVal,
[out, retval] double* nVal);
Parameters
- sKey
- [in] Value of LPWSTR.
- Identifies a subnode. See CAB subnode identification syntax.
- nDefVal
- [in, defaultvalue(0.0)] Value of double.
- A value to be returned in case of error (subnode does not exist, has incompatible type etc.).
- nVal
- [out, retval] Pointer to double.
- The address of a
doublevariable that receives a referenced subnode value.
Return Value
Returns S_OK if operation was successful or error code in other cases.
