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IDTExtensibility2.OnConnection Method

Occurs whenever an add-in is loaded into Visual Studio.

Namespace:  Extensibility
Assembly:  Extensibility (in Extensibility.dll)

void OnConnection(
	Object Application,
	ext_ConnectMode ConnectMode,
	Object AddInInst,
	ref Array custom
)

Parameters

Application
Type: System.Object

A reference to an instance of the integrated development environment (IDE), DTE, which is the root object of the Visual Studio automation model.

ConnectMode
Type: Extensibility.ext_ConnectMode

An ext_ConnectMode enumeration value that indicates the way the add-in was loaded into Visual Studio.

AddInInst
Type: System.Object

An AddIn reference to the add-in's own instance. This is stored for later use, such as determining the parent collection for the add-in.

custom
Type: System.Array%

An empty array that you can use to pass host-specific data for use in the add-in.

OnConnection is the main method for IDTExtensibility2, because it is called every time an add-in is loaded. It is the entry point for an add-in when it is loaded, so you can put any code here (or call any another function) that you want to run when the add-in starts.

public void OnConnection(object application, ext_ConnectMode 
connectMode, object addInInst, ref Array custom)
{
    applicationObject = (DTE2)application;
    addInInstance = (AddIn)addInInst;
    System.Windows.Forms.MessageBox.Show("Add-in has connected.");
}

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