From Tracker Software PDF SDK
Calculates info button ideal size that will fit value, given in nAvailSize variable.
HRESULT GetIdealSize([in] SIZE* nAvailSize, [out, retval] SIZE* nIdealSize);
- [in] value of available size, based on which an ideal info button size will be calculated.
- [out, retval] value of ideal info button size, calculated to fit the value of nAvailSize.
Returns S_OK if the operation was successful, or will return an error code if it fails.