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Definition of DL. 1  DL is short for down-low, which basically means to keep things under-wraps, to keep a secret or lay low. 2  I'll tell you this, but, you gotta promise to keep it on the DL. D.L. means down low. it means that something is not known to all. if you keep something on the D.L... 2  you don't share it with others. 3  I don't want my Dad to find out, so keep it on the D.L. 4  She like me but keep that on the DL.
Define IOleCommandTarget in Visual C# .NET. 1  Assign the interface the GUID of the appropriate COM interface. 2  Include type declarations for all the methods of the interface. 3  Include references to the Mshtml.dll file and the Shdocvw.dll file. 4  Click Add Reference on the Project menu. 5  Click the COM tab. 6  Double-click Microsoft HTML Object Library and ... Include references to the Mshtml.dll file and the Shdocvw.dll file. 2  To do this in your Visual C# .NET project, follow these steps: 3  Click Add Reference on the Project menu. 4  Click the COM tab.