public ComboBoxElement(ElementHostControl host,InternalTextBox textBox)
: base(host)
{
m_InternalTextBox = textBox;
m_Button = new ComboButtonElement(host);
m_Button.ZOrder = 2;
m_Button.MouseClick += delegate(object sender, MouseEventArgs e)
{
OnButtonClick(EventArgs.Empty);
};
}
}//makeTextBox
private void destroyDataEntryElement()
{
if (m_DataEntryElement != null)
{
m_DataEntryElement.Dispose();
m_DataEntryElement = null;
}
if (m_InternalTextBox != null)
{
m_InternalTextBox.Dispose();
m_InternalTextBox = null;
}
}
private void makeTextBox()
{
m_InternalTextBox = new InternalTextBox();
m_InternalTextBox.Parent = this;
m_InternalTextBox.Visible = false;
m_InternalTextBox.Multiline = true; //otherwise id does not paint
m_InternalTextBox.WordWrap = false;
m_InternalTextBox.TabStop = false;
setTextBoxHAlignment(m_TextHAlignment);
if (Field != null)
{
applyReadonly();
if (Field is StringField)
{
int size = ((StringField)Field).Size;
if (size > 0)
{
m_InternalTextBox.MaxLength = size;
}
if (((StringField)Field).Password)
{
m_InternalTextBox.PasswordChar = '*';
m_InternalTextBox.Multiline = false; //otherwise "*" dont show
}
}
}
m_InternalTextBox.Validating +=
delegate(object sender, CancelEventArgs e)
{
if (Field != null)
{
if (Field.Validated && Field.KeepInErroredField && !(Field.ValidationException is RequiredValidationException))
{
e.Cancel = !Field.Valid;
checkAndShowErrorBalloon();
}
}
};
m_InternalTextBox.KeyDown +=
delegate(object sender, KeyEventArgs e)
{
if (
(e.KeyCode == Keys.Return) &&
(m_LineCount == 1 || (m_LineCount > 1 && e.Control))
) //emulate single-line textbox
{
e.Handled = true;
e.SuppressKeyPress = true;
if ((m_ActualControlType == ControlType.Combo))
{
if (
(
(!HasValue) && (m_InternalTextBox.Text.Trim() == string.Empty)
) || (e.Shift)
)
{
if (!Lookup())
{
return;
}
}
}
focusNextSibling();
}
else
if (e.KeyCode == Keys.Back && e.Control && !IsReadonly)
{
e.Handled = true;
e.SuppressKeyPress = true;
m_InternalTextBox.Modified = false;
ClearValue();
}
else
if (e.KeyCode == Keys.Escape)
{
m_InternalTextBox.Undo();
}
};
}//makeTextBox
public TextBoxElement(ElementHostControl host,InternalTextBox textBox)
: base(host)
{
m_InternalTextBox = textBox;
}
