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Memory Leak Detection in MFC

Visual Studio 2005

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MFC provides classes and functions for detecting memory that is allocated but never deallocated.

In This Section

Tracking Memory Allocations: Discusses the DEBUG_NEW macro, which you can use to locate memory leaks. Information includes considerations in Debug and Release versions, defining the macro in your source files, and object dumps.

Enabling Memory Diagnostics: Provides steps for enabling diagnostic tracing and selecting specific memory diagnostic features with afxMemDF (for more precise control).

Taking Memory Snapshots: Shows how to take snapshots of memory to help locate memory leaks.

Viewing Memory Statistics: Describes the CMemoryState::Difference function (compares memory) and the CMemoryState::DumpStatistics (prints memory statistics) and provides code examples.

Object Dumps: Provides information on object dumps, including the DumpAllObjectsSince function, example code, and considerations, as well as interpreting and customizing object dumps.

Detecting and Isolating Memory Leaks: How to use the C run-time library to detect memory leaks.

MFC Debugging Techniques: Links you to debugging techniques for MFC programs, including: afxDebugBreak, the TRACE macro, detecting memory leaks in MFC, MFC assertions, and reducing the size of MFC Debug builds.

Debugging Visual C++: Discusses some common debugging problems and techniques for C and C++ applications.

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