References ▼
#include "ltmm.h"
C Syntax |
HRESULT IltmmConvert_put_Preview(pConvert, newVal) |
C++ Syntax |
HRESULT put_Preview(newVal) |
IltmmConvert *pConvert; |
pointer to an interface |
VARIANT_BOOL newVal; |
flag |
Adds or removes the preview graph for the convert graph.
| Parameter | Description | |
| pConvert | Pointer to an IltmmConvert interface. | |
| newVal | Flag that indicates whether to add or remove the preview graph from the convert graph. Possible values are: | |
| Value | Meaning | |
| VARIANT_TRUE | Add the preview graph. | |
| VARIANT_FALSE | Remove the preview graph. This is the default value. | |
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. |
Adding the preview graph in the convert graph will enable previewing the stream while converting.
To add or remove the preview graph, the convert graph must be in the stopped state.
Required DLLs and Libraries
LTMM For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
For a C example, refer to IltmmConvert::put_Preview Example for C.
For a C++ example, refer to IltmmConvert::put_Preview Example for C++.
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