Responding to Application Events

The ApplicationPlugIn class contains a number of virtual functions that you override to respond to application events. These functions include:

• OnPreLoad - Triggered first when the plugin is loaded and executed.
• OnLoad - Triggered during the initialization process when the plugin is loaded and executed.
• OnInitComplete - Triggered after the initialization process is complete.
• OnInitMenus - Override this event to create application menu items.
• OnUnload - Triggered when the plugin is unloaded.
  Note

  Not triggered when the AutoCAD Map 3D Client is closed.

In the following example, an application plugin named “MyApplication” displays a dialog box when the plugin is first loaded:

public class MyApplication : Autodesk.Map.IM.Forms.ApplicationPlugIn
{
    public override void OnLoad(object sender, EventArgs e)
    {
        base.OnLoad(sender, e);
 
        // Display the dialog box (defined elsewhere).
        Form1 theForm = new Form1();
        theForm.Show();
    }
}