Anteckning
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Determines if there are any OLE object classes in the registry that can be used to convert or activate the specified CLSID from.
Syntax
BOOL OleUICanConvertOrActivateAs(
[in] REFCLSID rClsid,
[in] BOOL fIsLinkedObject,
[in] WORD wFormat
);
Parameters
[in] rClsid
The CLSID of the class for which the information is required.
[in] fIsLinkedObject
TRUE if the original object is a linked object; FALSE otherwise.
[in] wFormat
Format of the original class.
Return value
This function returns TRUE if the specified class can be converted to another class; FALSE otherwise.
Remarks
OleUICanConvertOrActivateAs searches the registry for classes that include wFormat in their \Conversion\Readable\Main, \Conversion\ReadWriteable\Main, and \DataFormats\DefaultFile entries.
This function is useful for determining if a Convert... menu item should be disabled. If the CF_DISABLEDISPLAYASICON flag is specified in the call to OleUIConvert, then the Convert... menu item should be enabled only if OleUICanConvertOrActivateAs returns TRUE.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional [desktop apps only] |
Minimum supported server | Windows 2000 Server [desktop apps only] |
Target Platform | Windows |
Header | oledlg.h |
Library | OleDlg.lib |
DLL | OleDlg.dll |