VS 2019 What is the short way out to import the particular files when creating New project ?

Hello

Project Name: C:\VBNET19\Proj\ComboBoxProjects\ComboBoxes4

This is what is looked like on Screen
When Above Project ComboBoxes4 is directly opened from the folder
we see the following

ufComboBoxes4.vb which seems to be VB.Net programming editor
ufComboBoxes4.vb[Design] seems to be VB.Net Frm file or a Form file

Questions
1. What is the short way out to import the above particular files when creating New project all together in Vb.Net19 ?
NOTE: When you create a folder from directory ie not opening VS just created a folder but
for Creating New project We open VS>Create New Project and if we type the Folder name which was created outside VS.
it mentions"Folder already created" in this case i've to rename the folder from VS

2. Will it be feasable or practical to open 2 projects at a time ?

3. By the way what is solution explorer ?

As i am slowly getting used to VB.Net enviornment now is the time for doing the above tasks quicker and safely

Thanks
SamD
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