/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
//Debug.WriteLineIf(!disposing, "****************** " + GetType().Name + " 'disposing' is false. ******************");
// Must not be run more than once.
if (IsDisposed)
{
return;
}
// m_sda COM object block removed due to crash in Finializer thread LT-6124
if (disposing)
{
if (m_button != null)
{
m_button.MouseDown -= new MouseEventHandler(m_button_MouseDown);
m_button.GotFocus -= new EventHandler(m_button_GotFocus);
m_button.LostFocus -= new EventHandler(m_button_LostFocus);
}
if (m_sda != null)
{
m_sda.RemoveNotification(this);
}
if (m_comboTextBox != null)
{
m_comboTextBox.KeyPress -= new KeyPressEventHandler(m_comboTextBox_KeyPress);
m_comboTextBox.KeyDown -= new KeyEventHandler(m_comboTextBox_KeyDown);
m_comboTextBox.MouseDown -= new MouseEventHandler(m_comboTextBox_MouseDown);
m_comboTextBox.GotFocus -= new EventHandler(m_comboTextBox_GotFocus);
m_comboTextBox.LostFocus -= new EventHandler(m_comboTextBox_LostFocus);
}
if (m_popupTree != null)
{
m_popupTree.AfterSelect -= new TreeViewEventHandler(m_tree_AfterSelect);
m_popupTree.BeforeSelect -= new TreeViewCancelEventHandler(m_popupTree_BeforeSelect);
m_popupTree.Load -= new EventHandler(m_tree_Load);
m_popupTree.VisibleChanged -= new EventHandler(m_popupTree_VisibleChanged);
}
if (m_popupTree != null && !m_popupTree.IsDisposed)
{
m_popupTree.Dispose();
}
}
m_button = null; // So OnLayout knows to do nothing.
m_comboTextBox = null;
m_popupTree = null;
m_sda = null;
base.Dispose(disposing);
}
/// <summary>
/// Initializes a new instance of <see cref="EditableComboBoxDisplay"/> class.
/// </summary>
public EditableComboBoxDisplay(TypedTextParser textParser)
: base()
{
textBox = new ComboTextBox();
textBox.BorderStyle = BorderStyle.None;
textBox.TabStop = false;
textBox.Enter += new EventHandler(textBox_Enter);
textBox.EnterPressed += new EventHandler(textBox_EnterPressed);
textBox.EscapePressed += new EventHandler(textBox_EscapePressed);
textBox.AltDownOrF4Pressed += new EventHandler(textBox_AltDownOrF4Pressed);
textBox.Validated += new EventHandler(textBox_Validated);
textBox.Name = "textBox";
this.ParseTypedText = textParser;
this.Controls.Add(textBox);
}
protected override void Dispose (bool disposing)
{
if (disposing) {
if (listbox_ctrl != null) {
listbox_ctrl.Dispose ();
Controls.RemoveImplicit (listbox_ctrl);
listbox_ctrl = null;
}
if (textbox_ctrl != null) {
Controls.RemoveImplicit (textbox_ctrl);
textbox_ctrl.Dispose ();
textbox_ctrl = null;
}
}
base.Dispose (disposing);
}
/// <summary>
/// Construct one.
/// </summary>
public TreeCombo()
{
this.SuspendLayout();
// Set this box's own properties (first, as we use some of them in figuring the
// size of other things).
// Make and install the ComboTextBox
m_comboTextBox = new ComboTextBox(this);
m_comboTextBox.AccessibleName = "TextBox";
m_comboTextBox.Dock = DockStyle.Fill;
m_comboTextBox.Visible = true;
// Don't allow typing or pasting into the text box: see LT-6595.
m_comboTextBox.ReadOnlyView = true;
// These two lines causes us to get a notification when the string gets changed,
// so we can fire our TextChanged event.
m_sda = m_comboTextBox.DataAccess;
m_sda.AddNotification(this);
m_comboTextBox.MouseDown += new MouseEventHandler(m_comboTextBox_MouseDown);
m_comboTextBox.KeyPress += new KeyPressEventHandler(m_comboTextBox_KeyPress);
m_comboTextBox.KeyDown += new KeyEventHandler(m_comboTextBox_KeyDown);
m_comboTextBox.GotFocus += new EventHandler(m_comboTextBox_GotFocus);
m_comboTextBox.LostFocus += new EventHandler(m_comboTextBox_LostFocus);
m_textBoxPanel = new Panel();
m_textBoxPanel.AccessibleName = "TextBoxPanel";
m_textBoxPanel.Dock = DockStyle.Fill;
m_textBoxPanel.BackColor = Color.Transparent;
m_textBoxPanel.Controls.Add(m_comboTextBox);
this.Controls.Add(m_textBoxPanel);
// Make and install the button that pops up the list.
m_button = new DropDownButton(this);
m_button.AccessibleName = "DropDownButton";
m_button.Dock = DockStyle.Right; // Enhance JohnT: Left if RTL language?
//m_button.FlatStyle = FlatStyle.Flat; // no raised edges etc for this button.
m_button.MouseDown += new MouseEventHandler(m_button_MouseDown);
m_button.GotFocus += new EventHandler(m_button_GotFocus);
m_button.LostFocus += new EventHandler(m_button_LostFocus);
m_button.TabStop = false;
m_buttonPanel = new Panel();
m_buttonPanel.AccessibleName = "DropDownButtonPanel";
m_buttonPanel.Dock = DockStyle.Right;
m_buttonPanel.BackColor = Color.Transparent;
m_buttonPanel.Controls.Add(m_button);
this.Controls.Add(m_buttonPanel);
HasBorder = true;
Padding = new Padding(Application.RenderWithVisualStyles ? 2 : 1);
base.BackColor = SystemColors.Window;
m_buttonPanel.Width = m_button.PreferredWidth + m_buttonPanel.Padding.Horizontal;
// Create the list.
m_popupTree = new PopupTree();
m_popupTree.TabStopControl = m_comboTextBox;
//m_tree.SelectedIndexChanged += new EventHandler(m_listBox_SelectedIndexChanged);
//m_listBox.SameItemSelected += new EventHandler(m_listBox_SameItemSelected);
m_popupTree.AfterSelect += new TreeViewEventHandler(m_tree_AfterSelect);
m_popupTree.BeforeSelect += new TreeViewCancelEventHandler(m_popupTree_BeforeSelect);
m_popupTree.Load += new EventHandler(m_tree_Load);
m_popupTree.PopupTreeClosed += new TreeViewEventHandler(m_popupTree_PopupTreeClosed);
m_popupTree.VisibleChanged += new EventHandler(m_popupTree_VisibleChanged);
this.ResumeLayout();
}