Chapter 2 Visual Basic, Controls, and Events 8. Private sub txtrirat Leave (...)

Question

Chapter 2 Visual Basic, Controls, and Events 8. Private sub txtrirat Leave (...) Handles txtrirst.Leave lblone. BackColor color.hite lblone.Text-"Hello" End Sub 9. Private Sub txtSecond Enter(. Handles txtSecond.Enter lblone. BackColor Color.Gold lbione . Text = "Hello" End Sub 10. Private Sub txtsecond Enter(...) Handles txtsecond.Enter lbione.visible False Iblone. Text = "Hello" End Sub In Exercises 11 through 16, determine the errors. 11. Private Sub btnoutput_click(... Handles btnoutput.click Form1. Text = End Sub "Hello" 12. Private Sub btnoutput_click(... Handles btnoutput.click txtBox. Text = Hello End Sub 13. Private Sub btnoutput_click (..) Handles btnoutput.Click txtFirst. ForeColorRed End Sub 14. Private sub btnoutputClick ( ) Handles btnOutput. Click txtBox"Hello" End Sub 15. Private Sub btnoutput_click (... Handles btnoutput.Click txtBox . Font . Size 20 End Sub 16. Private Sub btnOutput Click (...) Handles btn1.click, btn2.Click Me . Color Color . Yellow = End Sub

Explanation / Answer

11.       Private Sub btnOutput_Click(...) Handles btnOutput.Click

Form1.Text = "Hello"

End Sub

No Error

12.       Private Sub btnOutput_Click(...) Handles btnOutput.Click

txtBox.Text = Hello

End Sub

Word Hello must be enclosed in double quotes.

Correct statement is

txtBox.Text=”Hello”

13.       Private Sub btnOutput_Click(...) Handles btnOutput.Click

txtFirst.ForeColor = Red

End Sub

            Colour Red must be written with Color keyword.

Correct statement is

txtFirst.ForeColor = Color.Red

14.       Private Sub btnOutput_Click(...) Handles btnOutput.Click

txtBox = "Hello"

End Sub

txtBox cannot display text without Text keyword

Correct statement is

txtBox.Text = "Hello"

15.       Private Sub btnOutput_Click(...) Handles btnOutput.Click

txtBox.Font.Size = 20

End Sub

Font size cannot be changed using above statement

16.       Private Sub btnOutput_Click(...) Handles btn1.Click, btn2.Click

Me.Color = Color.Yellow

End Sub

            Must only handle one click, so correct statement is

Private Sub btnOutput_Click(...) Handles btnOutput.Click

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