Trying to pass a SafeArray that i get form Request.BinaryRead Method in classic asp to a c# com interop component. In this thread i found a solution to pass and cast a normal asp safearray in to a c# array:
http://bytes.com/groups/net/114755-p...to_threadtools
but no matter what i try. i cant pass a array that i get from Request.BinaryRead Method in to the component. i always get a error like this :
(0x80004003) Object reference not set to an instance of an object.
com
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namespace foo
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{
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[Guid("AD627CAC-BC38-445b-8929-05B8315EBBCF")]
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[InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
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public interface Ibar
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{
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[DispId(1)]
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string errorMessage
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{
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get;
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}
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[DispId(2)]
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void readSafeArray(object[] safearray);
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}
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[Guid("003BC37A-888A-4bcd-A384-4D398AC85564")]
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[ClassInterface(ClassInterfaceType.None)]
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[ProgId("foo.cfoo")]
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public class cfoo : Ibar
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{
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private String _errorMessage;
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public cfoo()
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{
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}
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public void readSafeArray(object[] safearray)
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{
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Array arr = (Array)safearray;
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_errorMessage += arr.Length.ToString();
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}
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public string errorMessage
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{
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get
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{
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return _errorMessage;
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}
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}
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}
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}
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Classic ASP code
- <%
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Dim ff
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Set ff = CreateObject("foo.cfoo")
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Dim sar
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'this doesn't work
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sar = Request.BinaryRead(Request.totalBytes)
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ff.readSafeArray(sar)
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Response.Write(ff.errorMessage)
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'this works
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Dim arr(2)
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arr(0) = CByte(1)
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arr(1) = CByte(2)
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arr(2) = CByte(3)
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ff.readSafeArray(arr)
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Response.Write(ff.errorMessage)
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%>
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can someone point me in the right direction please
thanks
