/// <summary>
/// Fires the <i>KeyPress</i> event.
/// </summary>
/// <param name="e"></param>
protected virtual void OnKeyPress(DXKeyboardEventArgs e)
{
if (this.keyPress != null)
{
this.keyPress(this, e);
}
}
void KeyboardActionPerformed(object sender, DXKeyboardEventArgs e)
{
if (!this.focused)
{
return;
}
switch (e.KeyboardAction)
{
case KeyboardAction.KeyHeld:
break;
case KeyboardAction.KeyPress:
OnKeyPress(e);
break;
case KeyboardAction.KeyUp:
break;
}
}
/// <summary>
/// Handles a key being held down while the <see cref="DXListBox"/> has focus.
/// </summary>
/// <param name="e"></param>
protected override void OnKeyPress(DXKeyboardEventArgs e)
{
int index = 0;
if (this.SelectedItem != null)
{
index = Items.IndexOf(this.SelectedItem);
}
if (e.KeyboardState[Key.UpArrow] && index > 0)
{
index--;
this.SelectedItem = this.Items[index];
OnSelectedIndexChanged();
}
else if (e.KeyboardState[Key.DownArrow] && index < (this.Items.Count - 1))
{
index++;
this.SelectedItem = this.Items[index];
OnSelectedIndexChanged();
}
base.OnKeyPress(e);
}
/// <summary>
/// Handles a key being pressed while the <see cref="DXTextBox"/> has focus.
/// </summary>
/// <param name="e"></param>
protected override void OnKeyPress(DXKeyboardEventArgs e)
{
this.Text += e.Key.ToString();
base.OnKeyPress(e);
}