private void BundleContextExtensionChanged(object sender, ExtensionEventArgs e)
{
if (e.ExtensionPoint.Equals(SimpleWinFormShellExtensionPoint))
{
if (e.Action == CollectionChangedAction.Add)
{
// 新增扩展信息，说明有插件被启动，为其创建界面菜单
var app = ApplicationContainer.AddApplicationForExtension(e.Extension);
CreateMenuStripForApplication(app);
}
else if (e.Action == CollectionChangedAction.Remove)
{
// 扩展信息被删除，有插件被停止，删除对应的界面菜单
var app = ApplicationContainer.RemoveApplicationForExtension(e.Extension);
RemoveMenuStripForApplication(app);
}
}
}
/// <summary>
/// 处理扩展信息。
/// </summary>
private void HanldeExtension()
{
Initialize();
// 1 获取所有扩展信息
var extensions = BundleContext.GetExtensions(SimpleWinFormShellExtensionPoint);
WinShellApplication application;
foreach (var extension in extensions)
{
// 2 将扩展Extension对象转换成WinShellApplication对象
application = ApplicationContainer.AddApplicationForExtension(extension);
// 3 为WinShellApplication对象创建顶层菜单和子菜单
CreateMenuStripForApplication(application);
}
// 4 监听扩展变更事件
BundleContext.ExtensionChanged += BundleContextExtensionChanged;
}
