/// <summary>
/// Initializes a new instance of the <see cref="CreateOnUIThreadActivator"/> class.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="kernel">The kernel.</param>
/// <param name="onCreation">Delegate called on construction.</param>
/// <param name="onDestruction">Delegate called on destruction.</param>
public CreateOnUIThreadActivator(ComponentModel model, IKernel kernel, ComponentInstanceDelegate onCreation,
ComponentInstanceDelegate onDestruction)
: base(model, kernel, onCreation, onDestruction)
{
customActivator = CreateCustomActivator(model, kernel);
performCreation = PerformCreation;
}
private static object CreateOnDispatcherUIThread(CreationContextDelegate performCreation, CreationContext context)
{
var application = Application.Current;
if (application != null && application.CheckAccess() == false)
{
return(application.Dispatcher.Invoke((CreateOnUIThreadDelegate)CreateOnDispatcherUIThread, performCreation, context));
}
return(performCreation(context));
}
private object CreateOnWinformsUIThread(CreationContextDelegate performCreation, CreationContext context)
{
if (marshalingControl.InvokeRequired)
{
return marshalingControl.Invoke((CreateOnUIThreadDelegate)CreateOnWinformsUIThread, performCreation, context);
}
var component = performCreation(context);
var control = (Control)GetUnproxiedInstance(component);
if (control.Handle == IntPtr.Zero)
{
throw new InvalidOperationException("The WinForms control handle could not be obtained");
}
return component;
}
private object CreateOnWinformsUIThread(CreationContextDelegate performCreation, CreationContext context)
{
if (marshalingControl.InvokeRequired)
{
return(marshalingControl.Invoke((CreateOnUIThreadDelegate)CreateOnWinformsUIThread, performCreation, context));
}
var component = performCreation(context);
var control = (Control)GetUnproxiedInstance(component);
if (control.Handle == IntPtr.Zero)
{
throw new InvalidOperationException("The WinForms control handle could not be obtained");
}
return(component);
}
private static object CreateOnDispatcherUIThread(CreationContextDelegate performCreation, CreationContext context)
{
var application = Application.Current;
if (application != null && application.CheckAccess() == false)
{
return application.Dispatcher.Invoke((CreateOnUIThreadDelegate)CreateOnDispatcherUIThread, performCreation, context);
}
return performCreation(context);
}