References ▼
Retrieves the lDispatch interface for the specified graph object.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmPlay_getSubObjectDispatch(pPlay, ObjType, ppObject) |
| C++ | HRESULT GetSubObjectDispatch(ObjType, ppObject) |
Pointer to an IltmmPlay interface.
Value that indicates the graph object to retrieve. For a list of possible values, refer to the ltmmPlay_Source Constants.
Pointer to a variable to be updated with a pointer to the lDispatch interface. This interface references the specified graph object.
| Value | Meaning |
|---|---|
| S_OK | The function was successful. |
| <> S_OK | An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
This function is basically the same as IltmmPlay::GetSubObject, but retrieves the objects IDispatch interface instead of IUnknown.
This function was added for languages like FoxPro that will not query for the dispatch interface itself.
If the function succeeds, the user should release the retrieved interface pointer by calling the interfaces Release method.
Win32, x64.
| Language | Example |
|---|---|
| C | IltmmPlay::GetSubObjectDispatch |
| C++ | IltmmPlay::GetSubObjectDispatch |
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document