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how to write a ActiveX for VTScada?

VTScada can use ActiveX like Shell.Explorer in the help page.
https://www.vtscada.com/help/Content/Pro_Functions/ActiveX.htm?Highlight=activex

How can I write a ActiveX that does something for VTScada? What is the interface or protocol? I need usermanual about this. Thank you .

VTScada can use ActiveX like Shell.Explorer in the help page. https://www.vtscada.com/help/Content/Pro_Functions/ActiveX.htm?Highlight=activex How can I write a ActiveX that does something for VTScada? What is the interface or protocol? I need usermanual about this. Thank you .

The ActiveX specification for controls comes from Microsoft, so follow their documentation, e.g. here.

Note that this isn't a trivial undertaking, experience with C++ and UI threading etc. is required.

The ActiveX specification for controls comes from Microsoft, so follow their documentation, e.g. [here](https://docs.microsoft.com/en-us/cpp/mfc/reference/creating-an-mfc-activex-control?view=msvc-160). Note that this isn't a trivial undertaking, experience with C++ and UI threading etc. is required.

Software Developer with Trihedral

edited Oct 29 '21 at 5:36 pm
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