VBA using Uppercase and LowerCase (UCase and LCase) - Code included

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In this video, we show you how to CONVERT TEXT TO UPPERCASE and LOWERCASE in VBA.
One of the most annoying problems you will run into when comparing text is the that VBA considers it case sensitive (ie "This" doesn't equal "this". The solution is simple when comparing text set both text strings to either Uppercase or Lowercase.
Code
========
Sub thisandThat()
'For Upper case
If UCase(Range("B15")) = UCase(Range("C15")) Then
Range("D15") = True
Range("B16") = UCase(Range("B15"))
Range("C16") = UCase(Range("C15"))
Else
Range("D15") = False
End If
'For Lower Case
If LCase(Range("B15")) = LCase(Range("C15")) Then
Range("D15") = True
Range("B16") = LCase(Range("B15"))
Range("C16") = LCase(Range("C15"))
Else
Range("D15") = False
End If
End Sub

[@SannareddyHarshavardhan547]

Thank You !!

[@kangsan2014]

How would I do it without the useless true and false. I just want it to convert any text in a range of cells to lower or upper case? The true and false idea is cool but doesn't serve any utility.

[@EverydayVBAExcelTraining]

Your code would look like this.
Cells(1,1) = ucase(cells(1,1))

[@kangsan2014]

@@EverydayVBAExcelTraining thank you. I am a starting out programmer and a lot of lectures/teachers tend to provide a lot unnecessary content and confuse learners. I teach design with blender and when teaching people, I provide with mental tools and avoid unnecessary things. Thank you for giving script for writing it. Hopefully it will help me learn better for writing VBA for my startup company.

[@linaseptiani2994]

@@EverydayVBAExcelTraining Hey kid. How to change the condition when people want upper case, but it will be lower case automatically when you find word such AND, IS, OR, and else.
Ex:
Your Fuckin' Name is Albert, and You are a True Loser.
See??
Okay show me your vb script, kid plz