/// <summary>
/// Assigns the context menu to a control.
/// </summary>
/// <param name="control">Control to assign the context menu to.</param>
/// <param name="value">Instance of PopupItem derived class usually ButtonItem to act as context menu for a control. The SubItems collection of the item specified here actually defines the visible context menu items.</param>
public void SetContextMenuEx(Control control, BaseItem value)
{
if (control is DevComponents.DotNetBar.Controls.RichTextBoxEx)
control = ((DevComponents.DotNetBar.Controls.RichTextBoxEx)control).RichTextBox;
if (value == null)
{
if (m_ContextExMenus.Contains(control))
{
if (m_ContextExHandlers.Contains(control))
{
ContextMessageHandler h = m_ContextExHandlers[control] as ContextMessageHandler;
if (h != null)
{
h.ContextMenu -= new WmContextEventHandler(this.OnContextMenu);
h.ReleaseHandle();
h = null;
}
m_ContextExHandlers.Remove(control);
}
m_ContextExMenus.Remove(control);
control.MouseUp -= new MouseEventHandler(this.ContextExMouseUp);
try
{
control.HandleDestroyed -= new EventHandler(this.ContextExHandleDestroy);
}
catch { }
try
{
control.HandleCreated -= new EventHandler(this.ContextExHandleCreate);
}
catch { }
try { control.MouseUp -= new MouseEventHandler(this.ContextExMouseUp); }
catch { }
}
}
else
{
if (m_ContextExMenus.Contains(control))
{
m_ContextExMenus[control] = value;
}
else
{
m_ContextExMenus[control] = value;
if (!m_ContextExHandlers.Contains(control) && !this.DesignMode)
{
if (!(control is System.Windows.Forms.TreeView) && !(control is System.Windows.Forms.Form) &&
!(control is System.Windows.Forms.Panel
#if FRAMEWORK20
|| control is System.Windows.Forms.DataGridView
#endif
) &&
m_ContextMenuSubclass)
{
if (control.IsHandleCreated)
{
ContextMessageHandler h = new ContextMessageHandler();
h.ContextMenu += new WmContextEventHandler(this.OnContextMenu);
h.ParentControl = control;
h.AssignHandle(control.Handle);
m_ContextExHandlers[control] = h;
}
control.HandleDestroyed += new EventHandler(this.ContextExHandleDestroy);
control.HandleCreated += new EventHandler(this.ContextExHandleCreate);
}
if (control is ComboBox)
{
ComboBox cbo = control as ComboBox;
cbo.ContextMenu = new ContextMenu();
}
}
try { control.MouseUp += new MouseEventHandler(this.ContextExMouseUp); }
catch { }
}
}
}
private void ContextExHandleCreate(object sender, EventArgs e)
{
Control control = sender as Control;
if (control == null)
return;
if (m_ContextExHandlers.Contains(control))
return;
ContextMessageHandler h = new ContextMessageHandler();
h.ContextMenu += new WmContextEventHandler(this.OnContextMenu);
h.ParentControl = control;
h.AssignHandle(control.Handle);
m_ContextExHandlers[control] = h;
}