ProgIDToCLSID – Convert a ProgID into a CLSID

Private Declare Function CLSIDFromProgID Lib "ole32.dll" (ByVal lpszProgID As _    Long, pCLSID As Any) As LongPrivate Declare Function StringFromCLSID Lib "ole32.dll" (pCLSID As Any, _    lpszProgID As Long) As LongPrivate Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (dest As _    Any, source As Any, ByVal bytes As Long)Private Declare Sub CoTaskMemFree Lib "ole32.dll" (ByVal pv As Long)' Convert a ProgID (such as "Word.Application") into the' string representation of its CLSIDFunction ProgIdToCLSID(ByVal ProgID As String) As String    Dim pResult As Long, pChar As Long    Dim char As Integer, length As Long    ' No need to use a special UDT    Dim guid(15) As Byte        ' get the CLSID in binary form    CLSIDFromProgID StrPtr(ProgID), guid(0)    ' convert to a string, get pointer to result    StringFromCLSID guid(0), pResult    ' find the terminating null char    pChar = pResult - 2    Do        pChar = pChar + 2        CopyMemory char, ByVal pChar, 2    Loop While char    ' now get the entire string in one operation    length = pChar - pResult    ' no need for a temporary string    ProgIdToCLSID = Space$(length  2)    CopyMemory ByVal StrPtr(ProgIdToCLSID), ByVal pResult, length    ' release the memory allocated to the string    CoTaskMemFree pResultEnd Function

Share the Post:
Share on facebook
Share on twitter
Share on linkedin


The Latest

Top 5 B2B SaaS Marketing Agencies for 2023

In recent years, the software-as-a-service (SaaS) sector has experienced exponential growth as more and more companies choose cloud-based solutions. Any SaaS company hoping to stay ahead of the curve in this quickly changing industry needs to invest in effective marketing. So selecting the best marketing agency can mean the difference

technology leadership

Why the World Needs More Technology Leadership

As a fact, technology has touched every single aspect of our lives. And there are some technology giants in today’s world which have been frequently opined to have a strong influence on recent overall technological influence. Moreover, those tech giants have popular technology leaders leading the companies toward achieving greatness.

iOS app development

The Future of iOS App Development: Trends to Watch

When it launched in 2008, the Apple App Store only had 500 apps available. By the first quarter of 2022, the store had about 2.18 million iOS-exclusive apps. Average monthly app releases for the platform reached 34,000 in the first half of 2022, indicating rapid growth in iOS app development.