VB 6 – For Loop

The For loop is another simple loop structure, which is different from other loops like Do loop and While Loop because it specifies a range before the loop could start.

The syntax for the For loop is given below.

For index = start To end [Step step]
  [Statements]
Exit For
  [Statements]
Next index

Let us discuss the For loop structure.

For – keyword indicating the type of loop structure.

index – a variable that acts as index for the loop.

start To end – values that indicates start of the loop and end of the loop

Step step – The integer value that indicate how much to increment the loop at each iteration. Default is 1.

statements – some expressions or statements that the loop will execute at each iteration.

Exit For – immediately exit the For loop.

Next Index – increment the loop index for next iteration.

Example Program: For Loop

In this example, we will create an index for the loop and create a variable called sum. Each iteration of the For loop, we will add a value of 10 to the sum and display the results when the loop terminates.

Private Sub Command1_Click()
Dim sum As Integer, index As Integer
sum = 0

For index = 1 To 15

sum = sum + 10

Next index

MsgBox ("Sum is equal to" & " " & sum)

End Sub

In the code above the index is between 1 to 15 and each time it adds 10 to sum. After the loop is terminated, the total amount of sum is display using a MsgBox.

Output – For Loop

Output - For Loop
Output – For Loop
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