private void LoadAddIns()
{
string iColumnProviderName = typeof(IColumnProvider).FullName;
string iContextMenuItemProviderName = typeof(IContextMenuItemProvider).FullName;
DirectoryInfo addInDirInfo = new DirectoryInfo(Path.Combine(Application.StartupPath, "AddIns"));
if (addInDirInfo.Exists)
{
// Get all of the assemblies in the AddIns directory
foreach (FileInfo fileInfo in addInDirInfo.GetFiles("*.dll"))
{
// Load the assembly and iterate through all of the types in it.
Assembly assembly = Assembly.LoadFrom(fileInfo.FullName);
foreach (Type type in assembly.GetTypes())
{
// If the type implements IColumnProvider, create an instance of it and add the column it represents to the list view.
if (type.GetInterface(iColumnProviderName) != null)
{
IColumnProvider columnProvider = (IColumnProvider)Activator.CreateInstance(type);
Program.ColumnProviders.Add(columnProvider);
ColumnHeader columnHeader = listView.Columns.Add(columnProvider.HeaderText, columnProvider.DefaultWidth, columnProvider.Alignment);
columnProvider.Initialize(columnHeader.Index);
}
// If the type implements IContextMenuItemProvider, create an instance of it and add it to the context menu.
if (type.GetInterface(iContextMenuItemProviderName) != null)
{
IContextMenuItemProvider menuItemProvider = (IContextMenuItemProvider)Activator.CreateInstance(type);
Program.ContextMenuItemProviders.Add(menuItemProvider);
MenuItemProviderMenuItem contextMenuItem = new MenuItemProviderMenuItem(menuItemProvider);
contextMenuItem.Click += contextMenuItem_Click;
contextMenu.Items.Add(contextMenuItem);
}
}
}
}
}
public MenuItemProviderMenuItem(IContextMenuItemProvider menuItemProvider)
: base(menuItemProvider.Text)
{
_menuItemProvider = menuItemProvider;
}