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PowerWEB TextBox for ASP.NET |
| Dart.PowerWEB.TextBox Namespace > HtmlBox Class : KeyDown Event |
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PowerWEB TextBox for ASP.NET |
| Dart.PowerWEB.TextBox Namespace > HtmlBox Class : KeyDown Event |
Occurs when a key is down while the control has focus.
[Visual Basic]
<DescriptionAttribute("Event raised when a key is down while the control has focus.")>
<CategoryAttribute("Action")>
Public Event KeyDown() As KeyEventHandler[C#]
[DescriptionAttribute("Event raised when a key is down while the control has focus.")]
[CategoryAttribute("Action")]
public event KeyEventHandler KeyDown();[C++]
[DescriptionAttribute("Event raised when a key is down while the control has focus.")]
[CategoryAttribute("Action")]
public: __event KeyEventHandler* KeyDown();[C++/CLI]
[DescriptionAttribute("Event raised when a key is down while the control has focus.")]
[CategoryAttribute("Action")]
public:
event KeyEventHandler^ KeyDown();The event handler receives an argument of type KeyEventArgs containing data related to this event. The following KeyEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Alt | Gets a value indicating whether the ALT key was pressed. |
| Control | Gets a value indicating whether the CTRL key was pressed. |
| KeyCode | Gets the keyboard code for a KeyEventArgs.KeyDown, KeyEventArgs.KeyPress or KeyEventArgs.KeyUp event. |
| Shift | Gets a value indicating whether the SHIFT key was pressed. |
The KeyDown event fires when a key is down while the control has focus.
The following example demonstrates PowerWEB events not found in other Server controls.
[Visual Basic]
'In this example, events fire as the user interacts with a PowerWEB Control
'These events are not found in non-PowerWEB Server controls
'When an event is raised, a PowerWEB control updates with a message
Private Sub PowerWEBControl1_ContextMenuChanged(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.ContextMenuChanged
PowerWEBControl1.Text = "You pressed the right button"
End Sub
Private Sub PowerWEBControl1_DoubleClick(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.DoubleClick
PowerWEBControl1.Text = "That was a nice double-click"
End Sub
Private Sub PowerWEBControl1_GotFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles PowerWEBControl1.GotFocus
PowerWEBControl1.Text = "I am focused"
End Sub
Private Sub PowerWEBControl1_HelpRequested(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.HelpRequested
PowerWEBControl1.Text = "You pressed F1 Need some help?"
End Sub
Private Sub PowerWEBControl1_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs) Handles PowerWEBControl1.KeyDown
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() + " key has gone down"
End Sub
Private Sub PowerWEBControl1_KeyPress(ByVal sender As Object, ByVal e As KeyEventArgs) Handles PowerWEBControl1.KeyPress
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() + " key has been pressed"
End Sub
Private Sub PowerWEBControl1_KeyUp(ByVal sender As Object, ByVal e As KeyEventArgs) Handles PowerWEBControl1.KeyUp
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() + " key has gone up"
End Sub
Private Sub PowerWEBControl1_LocationClick(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.LocationClick
PowerWEBControl1.Text = "The button was pressed at (" + e.X.ToString() + "," + e.Y.ToString() + ")"
End Sub
Private Sub PowerWEBControl1_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles PowerWEBControl1.LostFocus
PowerWEBControl1.Text = "I'm losing focus"
End Sub
Private Sub PowerWEBControl1_MouseDown(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.MouseDown
PowerWEBControl1.Text = "Down goes the mouse button"
End Sub
Private Sub PowerWEBControl1_MouseEnter(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.MouseEnter
PowerWEBControl1.Text = "That tickles"
End Sub
Private Sub PowerWEBControl1_MouseLeave(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.MouseLeave
PowerWEBControl1.Text = "Come back"
End Sub
Private Sub PowerWEBControl1_MouseUp(ByVal sender As Object, ByVal e As LocationEventArgs) Handles PowerWEBControl1.MouseUp
PowerWEBControl1.Text = "Up goes the mouse button"
End Sub[C#]
//In this example, events fire as the user interacts with a PowerWEB Control
//These events are not found in non-PowerWEB Server controls
//When an event is raised, a PowerWEB control updates with a message
private void PowerWEBControl1_ContextMenuChanged(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "You pressed the right button!";
}
private void PowerWEBControl1_DoubleClick(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "That was a nice double-click!";
}
private void PowerWEBControl1_GotFocus(object sender, System.EventArgs e)
{
PowerWEBControl1.Text = "I am focused!";
}
private void PowerWEBControl1_HelpRequested(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "You pressed F1! Need some help?";
}
private void PowerWEBControl1_KeyDown(object sender, KeyEventArgs e)
{
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() +
" key has gone down!";
}
private void PowerWEBControl1_KeyPress(object sender, KeyEventArgs e)
{
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() +
" key has been pressed!";
}
private void PowerWEBControl1_KeyUp(object
sender, KeyEventArgs e)
{
PowerWEBControl1.Text = "The " + Convert.ToChar(e.KeyCode).ToString() +
" key has gone up!";
}
private void PowerWEBControl1_LocationClick(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "The button was pressed at (" + e.X.ToString() +
"," + e.Y.ToString() + ")!";
}
private void PowerWEBControl1_LostFocus(object sender, System.EventArgs e)
{
PowerWEBControl1.Text = "I'm losing focus!";
}
private void PowerWEBControl1_MouseDown(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "Down goes the mouse button!";
}
private void PowerWEBControl1_MouseEnter(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "That tickles!";
}
private void PowerWEBControl1_MouseLeave(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "Come back!";
}
private void PowerWEBControl1_MouseUp(object sender, LocationEventArgs e)
{
PowerWEBControl1.Text = "Up goes the mouse button!";
}Platforms: Windows 98, Windows NT 4.0, Windows ME, Windows 2000, Windows XP, Windows Server 2003, Windows Vista
HtmlBox Class | HtmlBox Members
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Documentation version 3.2.0.0.
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