Miraplacid Forum >> Virtual Printer Drivers >> What about "Item" and "Count" property?

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Miraplacid Forum >> Virtual Printer Drivers >> What about "Item" and "Count" property?

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inca
Member

From: Germany
Email

posted 2004-05-05 08:29:29	Reply -Delete
Hi, please support some information about these two properties. It's not described on your website. Best regards

Kon
Member

From: USA
Email

posted 2004-05-06 03:20:27

Reply -Delete

When you write script like:

set obj = WScript.CreateObject("PManager.Application")
for each i in obj
WScript.Echo("Plugin '"+i.Name+"' functions:")
for each j in i
WScript.Echo(" "+j)
next
next

VBScript actually calls COM methods Item, Count and _NewEnum

These three methods implement standard simple COM collection.

If you are curious how they look like in an IDL file, here it is:

[id(DISPID_NEWENUM), propget] HRESULT _NewEnum([out, retval] IUnknown** ppUnk);

[id(DISPID_VALUE), propget] HRESULT Item([in] long Index, [out, retval] VARIANT* pVal);

[id(38), propget] HRESULT Count([out, retval] long* pVal);

learn more about COM collections: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore/html/vcconatlcollectionsenumerators.asp

Kon
Member

From: USA
Email

posted 2004-05-06 03:21:40	Reply -Delete
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore/html/vcconatlcollectionsenumerators.asp

inca
Member

From: Germany
Email

posted 2004-05-07 07:01:15	Reply -Delete
Thank You very much.

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