在Excel VBA中创建和命名工作表

I have some very simple code that adds a new Worksheet, after the current worksheets, to an Excel document, and then changes its name to one entered in a text box on a userform. Works fine on a new workbook, however in a workbook that has a number of existing worksheets it creates the new worksheet, but does not rename it.I have some very simple code that adds a new Wo