The html Object tag calls the control registry to find the control classid method

1. Open the registry;

2. Open HKEY_CLASSES-ROOT / CLSID ;

3. Select CLSID and right-click;

4. Select Search, check the option: Data, enter the control name, for example Searchmedia;

5. Click Search;

You will see the search results as: {00022601-0000 -0000-C000-000000000046}, the string in the brackets is the clsssid.

Write the object tag in Html, as follows:

<OBJECT classid="clsid:00022601-0000-0000-C000-000000000046"
	  id="media_id" name="media_name" width="0" height="0" >
</OBJECT>

This completes the object tag's method of calling the control.

Then use

document.getElementById("media_id")

to get the control object,

Then you can call the control's methods and properties .

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