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IDebugEventCallback2

This interface is used by the debug engine (DE) to send debug events to the session debug manager (SDM).

IDebugEventCallback2 : IUnknown

Notes for Implementers

Visual Studio implements this interface to receive events from a debug engine.

Notes for Callers

A debug engine typically receives this interface when the SDM calls IDebugProgram2::Attach, IDebugEngine2::Attach, or IDebugEngineLaunch2::LaunchSuspended. A debug engine sends events to the SDM by calling IDebugEventCallback2::Event.

Methods in Vtable Order

The following table shows the methods of IDebugEventCallback2.

Method

Description

IDebugEventCallback2::Event

Sends notification of debugging events to the SDM.

Remarks

Although IDebugExpression2::EvaluateSync and IDebugExpression2::EvaluateAsync specify that they take an IDebugEventCallback2 interface, this is not the case, and the interface pointer will always be a null value. Instead, the debug engine must use the IDebugEventCallback2 interface received in the call to IDebugProgram2::Attach, IDebugEngine2::Attach, or IDebugEngineLaunch2::LaunchSuspended.

If a package implements IDebugEventCallback2 in managed code, it is strongly advised that ReleaseComObject be invoked on the various interfaces that are passed to IDebugEventCallback2::Event.

Requirements

Header: msdbg.h

Namespace: Microsoft.VisualStudio.Debugger.Interop

Assembly: Microsoft.VisualStudio.Debugger.Interop.dll

See Also

Reference

IDebugEngineLaunch2::LaunchSuspended

IDebugProgram2::Attach

IDebugEngine2::Attach

Concepts

Core Interfaces