SharePoint 2007 : Create Custom List Action entry and attach the dll to it.

Create a new SharePoint empty project. Create a hierarchy in that like below.

Element.XMl

Code Snippet

1. <?xml version="1.0" encoding="utf-8" ?>
2. <Elements xmlns="http://schemas.microsoft.com/sharepoint/">
3.   <CustomAction
4.     Id="{B08087EF-B682-4fb4-870B-A7CC3F1FDF0B}"
5.     Title="Slide Reorder"
6.     RegistrationType="List"
7.     GroupId="ActionsMenu"
8.     Location="Microsoft.SharePoint.StandardMenu"
9.     Sequence="1000"
10.   RegistrationId="2100"
11.     Rights="EditListItems"
12.     ControlAssembly="GMISlideLibraryFeature,Version=1.0.0.0, Culture=neutral, PublicKeyToken=9f4da00116c38ec5"
13.     ControlClass="GMISlideLibraryFeature.SlideReorderAction">
14.   </CustomAction>
15. </Elements>

Code Snippet

1. class SlideReorderAction : WebControl
2.     {
3.         private MenuItemTemplate _MenuTemplate;
5.         protected override  void OnLoad(EventArgs e)
6.         {
7.             EnsureChildControls();
8.             base.OnLoad(e);
9.         }
11.         protected override void CreateChildControls()
12.         {
13.             base.CreateChildControls();
14.             ListViewWebPart oListView = FindListView(Parent);
16.             if (oListView == null) return;
17.             {
18.                 SPWeb site = SPContext.Current.Web;
19.                 site.AllowUnsafeUpdates = true;
20.               
21.                 _MenuTemplate = new MenuItemTemplate
22.                 {
23.                     Text = "Slide Reorder",
24.                     Description = "This feature allows Site Owners to add a Change Order menu item to the Slide Library",
25.                     ImageUrl = "/_layouts/images/NEWITEM.GIF",
26.                     ClientOnClickNavigateUrl = "javascript:window.location= '" + site.Url + "/_layouts/GMISlideReorder/SlideReorder.aspx?List=" + oListView.ListName + "&Source=' + window.location"
28.                 };
30.                 this.Controls.Add(_MenuTemplate);
31.             }
32.         }
34.         private ListViewWebPart FindListView(Control oParent)
35.         {
36.             if (oParent is ListViewWebPart) return (ListViewWebPart)oParent;
37.             if (oParent.Parent == null) return null;
39.             return FindListView(oParent.Parent);
40.         }
42.     \