Without seeing a worksheet I couldn't say, but the not capitalizing doesn't mean anything. I usually capitalize mine because I have noticed sometimes it doesn't and I'm just picky.
I wrote the code below and didn't capitalize lookin or lookat and as you can see LookIn changed but lookat didn't. The code works just fine.
If you don't want to take Norie's suggestion then post a workbook.
ViewPic
EDIT: Very strange, I wrote some other code and didn't capitalize anything, but again lookin changed itself to LookIn but everything else stayed lower case.
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