private void OnComponentsCreating(object sender, ToolboxComponentsCreatingEventArgs e)
{
// Displays ComponentsCreating event information on the Console.
Console.WriteLine("Name of the class of the root component of " +
"the designer host receiving new components: " +
e.DesignerHost.RootComponentClassName);
}
//</Snippet3>
//<Snippet4>
public ToolboxComponentsCreatingEventArgs CreateToolboxComponentsCreatingEventArgs(System.ComponentModel.Design.IDesignerHost host)
{
ToolboxComponentsCreatingEventArgs e = new ToolboxComponentsCreatingEventArgs(host);
// The designer host of the document receiving the components e.DesignerHost
return(e);
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// toolboxcomponentscreatingeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this ToolboxComponentsCreatingEventHandler toolboxcomponentscreatingeventhandler, Object sender, ToolboxComponentsCreatingEventArgs e, AsyncCallback callback)
{
if (toolboxcomponentscreatingeventhandler == null)
{
throw new ArgumentNullException("toolboxcomponentscreatingeventhandler");
}
return(toolboxcomponentscreatingeventhandler.BeginInvoke(sender, e, callback, null));
}
public void Ctor_IDesignerHost(IDesignerHost host)
{
var e = new ToolboxComponentsCreatingEventArgs(host);
Assert.Equal(host, e.DesignerHost);
}
