October 19, 2009

Exit For and Exit Do Statement

A For...Next loop condition can be terminated by an Exit For statement. Consider the following statement block. Dim x As Integer
For x = 1 To 10
Print x
If x = 5 Then
Print "The program exited at x=5"
End If
Next
The preceding code increments the value of x by 1 until it reaches the condition x = 5. The Exit For statement is executed and it terminates the For...Next loop. The Following statement block containing Do...While loop is terminated using Exit Do statement.
Dim x As Integer
Do While x < 10
Print x
x = x + 1
If x = 5 Then
Print "The program is exited at x=5"
Exit Do
End If
Loop

With...End With statement

When properties are set for objects or methods are called, a lot of coding is included that acts on the same object. It is easier to read the code by implementing the With...End With statement. Multiple properties can be set and multiple methods can be called by using the With...End With statement. The code is executed more quickly and efficiently as the object is evaluated only once. The concept can be clearly understood with following example.
With Text1
.Font.Size = 14
.Font.Bold = True
.ForeColor = vbRed
.Height = 230
.Text = "Hello World"
End With
In the above coding, the object Text1, which is a text box is evaluated only once instead of every associated property or method. This makes the coding simpler and efficient.

Disclaimer:
The above article doesn't give you any guarantee and the sole purpose of this article is to share my learning in the way I understood. Any comments to refine this article are welcome with great pleasure. Please report any breaking link by commenting below.

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