IDictionary::get_Count
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The Count property is a read-only Long that contains the number of elements in the Dictionary object instance.
Definition
HRESULT IDictionary::get_Count(long*Count);
Parameters
Count
[out, retval] A pointer to a long in which the get_Count method stores the number of elements in the Dictionary object.
Return Values
This method returns an HRESULT indicating whether it completed successfully. See the Error Values section for more details.
Error Values
This property returns S_OK (0x00000000) to indicate success and standard COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors. Additional information may be available using the global Err object, which can be accessed using the API function GetErrorInfo. In particular, the GetDescription method of the IErrorInfo interface may return a text description of the error.
Remarks
The Count parameter points to valid data only if the property is accessed successfully.
For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.