Interview Questions

1. KeyPress event fires only for _____________

Options:

a. Alphabets

b. Numbers

c. both Alphabets and Numbers

d. keys with ASCII values

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2. KeyDown event fires only for _____________

Options:

a. Alphabets

b. Numbers

c. For all keys on keyboard

d. keys with ASCII values

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3. MaskedTextBox properties are _________

Options:

a. Text

b. Mask

c. Prompt Char

d. All the above

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4. ___________ Dialog Box : unless it is disposed we cannot work with the parent form

Options:

a. Mode

b. Model

c. Modeless

d. Modes

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5. ___________ Dialog Box : It always remains on top of the owner form but while is open we can also work with owner form

Options:

a. Mode

b. Model

c. Modeless

d. Modes

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6. The MenuItems in the MenuStrip of are by default appended to the MenuStrip of _

Options:

a. ActiveMdiChild, MdiForm

b. MdiForm, ActiveMdiChild

c. ActiveMdiChild, ActiveMdiChild

d. MdiForm, MdiForm

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7. What is an MDI?

Options:

a. Multi Document Interface

b. Multiple Document Interface

c. Multiple Document Inheritance

d. None of the above

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8. What are the properties of a Textbox?

Options:

a. Content

b. MultiLine

c. Binding

d. All the above

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9. What are the events for textbox?

Options:

a. KeyDown

b. KeyPress

c. TextChanged

d. All the above

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10. What are the events/methods for a textbox?

Options:

a. AppendText

b. OnTextChanged

c. LostFocus

d. All the above

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11. How to set Textbox to accept in password format?

Options:

a. By using PasswordChar property to the desired character

b. By using PwdChar property to the desired character

c. By using Modifier Property

d. None of the above

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12. Which of the following is a property of a Button?

Options:

a. TabIndex

b. TabOrder

c. TabSpace

d. TabStart

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13. Which of the following is/are event(s) of a button? i. OnClick ii. OnDoubleClick iii. OnRightClick iv. None of the above.

Options:

a. i & iii

b. ii & iii

c. i & ii

d. iv

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14. Which of these are properties of a checkbox?

Options:

a. CheckMe

b. CheckState

c. AutoCheckMe

d. Checked

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15. Which of these are the events of a checkbox?

Options:

a. CheckedChanged

b. ChangeState.

c. CheckedChanging.

d. CheckedStateChange

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16. Which of these are properties of a label?

Options:

a. AnchorTag.

b. TextMode

c. Invisible

d. Locked

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17. What are the properties of File Dialog?

Options:

a. CheckImageFileExists

b. FileName

c. DoPathExists

d. DirectoryName

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18. Which of these is a method in FileDialog?

Options:

a. ShowDialog

b. Click

c. DoubleClick

d. OnFileOpen

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19. When does a FileDialog.FileOk event fire? i. When a user clicks on Open in file dialog ii. When a user clicks on Save in file dialog iii. When a user clicks on Close in file dialog iv. None of the above

Options:

a. i, ii

b. ii, iii

c. i, iv

d. i, ii, iii

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20. What are the properties of Progress Bar?

Options:

a. Value

b. Step

c. MarqueeAnimationSpeed

d. All the above

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21. Which of these are the properties of combobox control? i. Items ii. Value member iii. Data member

Options:

a. i & ii

b. ii & iii

c. ii only

d. i only

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22. What are the events of combobox control?

Options:

a. SelectIndexChanged

b. StateChanged.

c. CheckedChanged

d. All the above

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23. Which of these are the properties of listview control? i. VirtualListSize ii. VirtualMode iii. VirtualList

Options:

a. i only

b. i & ii

c. i,ii&iii

d. iii only

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24. which of these are the events of listview control?

Options:

a. VirtualModeSelectionRangeChanged.

b. VirtualListSelectionRangeChanged

c. VirtualItemsSelectionRangeChanged

d. All the above.

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25. What are the properties of radio button control?

Options:

a. Check

b. AutoCheck

c. CheckHorizontalAlign

d. DockedControl

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26. Which of these are the properties of DateTimePicker control? i. Value ii. MinDate iii. CustomFormat

Options:

a. i & ii

b. ii only

c. i & iii

d. i, ii & iii

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27. In KeyDown we cannot distinguish upper and lower case characters.

Options:

a. True

b. False

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28. What are states of checkbox? i. Checked ii. Unchecked iii. Intermediate iv. Disabled

Options:

a. i, ii

b. i, ii, iv

c. i, ii, iii

d. All the above

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29. What are the properties of PictureBox control?

Options:

a. Image

b. ImageLocation

c. SizeMode

d. All the above

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30. What format does DateTimePickerFormat enumeration save?

Options:

a. Long, Short

b. Short, Time, Custom

c. Long, Short, Time, Custom

d. Long, Short, Time

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31. What is the use of Dock property of controls?

Options:

a. It is used to fill portion of container in which the control is placed.

b. It gets or sets the location from edges of parent container.

c. Used to set height and width of a control

d. None of the above.

Reveal Answer

32. What is the use of Anchor property of controls?

Options:

a. It is used to fill portion of container in which the control is placed.

b. It gets or sets the location from edges of parent container.

c. Used to set height and width of a control

d. None of the above

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33. The base class for all WinForms:

Options:

a. System.Windows.Forms

b. System.Windows.Form

c. System.Windows.Forms.Form

d. System.Forms

Reveal Answer

34. Which of the following methods will change the casing of character?

Options:

a. Using KeyPress event handler

b. CharacterCasing property of Textbox

c. Using Size property of Textbox

d. Text property of Textbox

Reveal Answer

35. What is the difference between TextBox and MaskedTextBox? i. It is used to only display content and cannot be used for user input ii. It sets the format and the characters that can be typed in iii. MaskedTextBox has Mask property iv. USed to control valid input

Options:

a. i, ii

b. ii, iii

c. ii, iii, iv

d. All the above

Reveal Answer

36. Which of the following can be used to display contextual information?

Options:

a. MenuStrip control

b. TrackBar control

c. BindingNavigator control

d. StatusStrip control

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37. The control that can be used for navigation between webpages:

Options:

a. TreeView control

b. SplitContainer control

c. WebBrowser control

d. FlowLayoutPanel

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38. Which property of List Box can be used to change the number of items for selection?

Options:

a. SelectNumber

b. SetSelection

c. SelectionMode

d. Items

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39. The following event is raised for every interval in Timer control

Options:

a. Start

b. Tick

c. Execute

d. Run

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40. What is a Modal dialog box?

Options:

a. Allows user to switch between the modal dialog and parent window.

b. Does not allow user to switch between the modal dialog and parent window.

c. It is a window that closes automatically

d. None of the above

Reveal Answer

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