Additional Controls

Visual Basic 6.0 Common Controls

link - microsoft.com/en-gb/download/details.aspx?id=10019 

comctl32.ocx

mscomct2.ocx

mscomctl.ocx

C:\windows\system32\mscomctl.ocx 

regsvr32 mscomctl.ocx

This includes the following ActiveX controls:
Microsoft Animation Control 6.0 (SP6)
Microsoft Date and Time Picker Control 6.0 (SP6)
Microsoft Flat ScrollBar Control 6.0 (SP6)
Microsoft MSFlexGrid Control (msflxgrid.ocx)
Microsoft MonthView Control 6.0 (SP6)
Microsoft ProgressBar Control 6.0
Microsoft Slider Control 6.0
Microsoft TreeView Control 6.0
Microsoft UpDown Control 6.0 (SP6)

HTML Object Library

C:\windows\system32\mshtml.tlb 

Reference - Microsoft HTML Object Library

Dim wnd As IHTMLWindow2 

Internet Controls

C:\windows\system32\ieframe.dll 

Additional control - WebBrowser
Additional reference - Microsoft Internet Controls Library

Common Error

Compile Error
Object library invalid or contains references to object definitions that could not be found.