Specifies whether to automatically start playing the media when the source has been assigned.
#include "ltmm.h"  
| Language | Syntax | 
|---|---|
| C | HRESULT IltmmPlay_put_AutoStart(pPlay, AutoStart) | 
| C++ | HRESULT put_AutoStart(AutoStart) | 
Pointer to an IltmmPlay interface.
Flag that determines whether to automatically start playing the media when the source has been assigned. Possible values are:
| Value | Meaning | 
|---|---|
| VARIANT_TRUE | Enable the automatic playing the media. | 
| VARIANT_FALSE | Disable the automatic playing the media. | 
| 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. | 
The default value is VARIANT_TRUE.
Win32, x64.
| Language | Example | 
|---|---|
| C | Simple Media Player | 
| C++ | Simple Media Player | 
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