IAMErrorLog interface
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
Note
[Deprecated. This API may be removed from future releases of Windows.]
The IAMErrorLog interface provides a callback method for error logging in DirectShow Editing Services (DES).
DES does not implement this interface. To perform error logging, implement this interface in your application and call IAMSetErrorLog::put_ErrorLog on the timeline. If an error occurs when you render the project, DES will call the IAMErrorLog::LogError method implemented by your application.
DES logs errors only when you render a project using the IRenderEngine interface. For example, if you save a project as a DirectShow filter graph (.grf format) and play the graph file, there is no error logging. For more information on using this interface, see Logging Errors.
Members
The IAMErrorLog interface inherits from the IUnknown interface. IAMErrorLog also has these types of members:
Methods
The IAMErrorLog interface has these methods.
| Method | Description |
|---|---|
| LogError | Logs an error. |
Remarks
Note
The header file Qedit.h is not compatible with Direct3D headers later than version 7.
Note
To obtain Qedit.h, download the Microsoft Windows SDK Update for Windows Vista and .NET Framework 3.0. Qedit.h is not available in the Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 Service Pack 1.
Requirements
| Requirement | Value |
|---|---|
| Header |
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| Library |
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