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7/8/2014
Review the use, syntax, parameters, and return values of the Action property of the IObjectInfoEx API in Windows Embedded 8.1 Industry (Industry 8.1).
This property of an instance of the IObjectInfoEx interface is a zero-indexed array of strings. The default implementation fills in actions as buttons, which are used in filtering as well as performing other actions. Buttons on the title bar, including Maximize, Minimize, and Close, will be included in this list. Custom implementations can also perform other complex and custom actions besides button clicks.
Syntax
HRESULT Action(
[in] UINT Index,
[out, retval] BSTR* pVal
);
Parameters
- Index
[in] A number that identifies a button in the array.
- pVal
[out, retval] A string value that represents the button.
Return Value
This property returns the following:
Return value |
Description |
|---|---|
ERROR_SUCCESS |
The operation completed successfully. |
ERROR_INVALID_PARAMETER |
If a parameter is NULL or of the wrong type. |
Remarks
Action lists are assumed to be empty until ReadWindowContents is called.