Seeing as i've learned quiet a bit about visual basic, I'd like to introduce you to my second tutorial.
(My first was "Tutorial - SmarterChild Copy")
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WHAT WE'RE DOING
Basically in this mini tutorial we'll learn about adding text to a ListBox using a command button and a combo box/saving search history in combo box.
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GUI (Layout of the form)
This is my GUI (Layout)

You can use any GUI but this is mine.
It consists of:
1 Command Button:
Name: "cmdPrint"
Caption: "Add text to ListBox"
1 ListBox:
Name: "lstList"
Caption: (None)
1 ComboBox:
Name: "cboText"
Caption: (None)
Note: Don't add the quotes in caption/name(").
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NAME EXPLANATIONS:
cmdPrint: "cmd" stands for Command, since it's a command button, use cmd. "Print" means Print... Nothing special.. It can be anything you want.
lstList: "lst" stands for List, since it's a ListBox, use lst. List simply means a list.
cboText: "cbo" stands for ComboBox, since it's a ComboBox, use cbo. "Text" means text.
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CODE
This is all that's needed to make this very simply program.Private Sub cmdPrint_Click()
lstList.AddItem cboText.Text
cboText.AddItem cboText.Text
End Sub
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CODE EXPLANATION
Basically this means everytime you click cmdPrint, it will do the action as specified (Below)Private Sub cmdPrint_Click()
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This code means add whatever text is written in the cboText.Text box to lstList box.lstList.AddItem cboText.Text
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This code means add the text that's written in cboText box into the cboText box... (So like saving history... This function can be used for an internet browser... I may be writing a tutorial on making an internet browser, if you want)cboText.AddItem cboText.Text
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This needs to be added at the end of every code.End Sub
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And you're done!

This is the example of the product with text in the ListBox.
And another one with the text saved in the ComboBox (Or History if you will):

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So this is goodbye for now.
This tutorial was made by me, Travy92.
Special thanks to Tcm9669 for the Screenshot program.
EDIT - I'll include some samples for the lazy people..