Question

(Combo box, Event, Eye dropper, OR, Control, )
1) An
refer to the occurrence of a user's activity.
2) The
conto​

Answer 1

Answer:

IF IT IS CORRECT MARK ME AS BRAIN LIST PLEASE!!!

Explanation:

public event EventHandler DropDownOpened;

Event Type

EventHandler

Examples

The following example shows how to assign event handlers and handle the DropDownOpened and DropDownClosed events.

XAML

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<ComboBox Name="cb" StaysOpenOnEdit="true" IsEditable="true" DropDownOpened="OnDropDownOpened"  

       DropDownClosed="OnDropDownClosed">

C#

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void OnDropDownOpened(object sender, EventArgs e)

{

   if (cb.IsDropDownOpen == true)

   {

       cb.Text = "Combo box opened";

   }

}

void OnDropDownClosed(object sender, EventArgs e)

{

   if (cb.IsDropDownOpen == false)

   {

       cb.Text = "Combo box closed";

   }

}