Re: [platform-swt-dev] Access to COM

["Veronika Irvine" <Veronika_Irvine@xxxxxxxxxx>]

The COM support in SWT is not intended to be a full COM layer.  It is an 
internal detail which provides the level of support required to implement 
a container for OLE Documents and ActiveX controls.

See:

http://bugs.eclipse.org/bugs/show_bug.cgi?id=8727





jml <jml@xxxxxxxx>
Sent by: platform-swt-dev-admin@xxxxxxxxxxx
04/16/2003 06:24 AM
Please respond to platform-swt-dev

 
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        Subject:        [platform-swt-dev] Access to COM



Hi,
In my code, I need to access a COM object. So I write a class and 
extends IUnknown, following 
org.eclipse.swt.internal.ole.win32.IOleControlSite. For each methods in 
the COM interface, I wrote a method with its implementation calling 
COM.VtblCall(...)

Then I found I am in trouble, there is a method in the COM interface 
take 11 parameters! But I can't find a VtblCall(...) method to take that 
much parameters.

So my questions are:
1. Is my way the correct way of access COM object?
2. Is there any way to workaround this problem? I know I can write my 
own native code (maybe copy from swt implementation), is there way that 
needn't do that?
3. If my way is correct and there is no workaround, is it possible in 
next version that swt provide more VtblCall() method, so people like me 
who wants to use swt as a COM-bridge needn't write any native code?

Thanks in advance.

jml

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