RunTim Error '449': Argument Not Optional

Oct 12, 2010

I have an Image.OCX which is build on 2008. This is used by VB Application.Many OCX methods are not used in Application. I want to delete unused method from OCX.Step for method deletion.

Delete exists Method from .ODL File i.e //[id(181), helpcontext(11)] long CreateImage(ID id);.
Delete
CreateImage same function . Delete //DISP_FUNCTION(CImageCtrl, "CreateImage", CreateImage, VT_I4) from Ctrl.cpp.
Delete interface ID from AFX_DISP_ID.

[code]....

Following Error Message display "Run Tim error '449':Argument not optional."

let me know is that possible to delete exist method from OCX and How?

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[Code]...

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[Code]...

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