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readyState property

Retrieves a value that indicates the current state of the object.

Syntax

HRESULT value = object.get_readyState(* p);

Property values

Type: BSTR

uninitialized

Object is not initialized with data.

loading

Object is loading its data.

loaded

Object has finished loading its data.

interactive

User can interact with the object even though it is not fully loaded.

complete

Object is completely initialized.

Remarks

An object's state is initially set to uninitialized, and then to loading. When data loading is complete, the state of the link object passes through the loaded and interactive states to reach the complete state.

The states through which an object passes are determined by that object; an object can skip certain states (for example, interactive) if the state does not apply to that object.

Data source objects and databound elements are normally populated asynchronously, and certain programmatic operations can only be performed reliably on databound objects when they are ready for use. Therefore, the appropriate code should be written to confirm the IHTMLInputElement::readyState of objects prior to performing certain operations on them. For example, walking the rows of a table should not be attempted until after the table has reached the complete state.

The IHTMLInputElement::readyState property enables the status of an object to be tested. The correct place to test the IHTMLInputElement::readyState property is in the event handler for HTMLFrameSiteEvents::onreadystatechange. Similarly, a data source object (DSO) fires the HTMLFrameSiteEvents::ondatasetcomplete event to notify the document that the dataset is ready for programmatic operation.

See also

HTMLFrameSiteEvents::onreadystatechange

 

 

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