References ▼
Specifies the label's background opacity.
#include "ilmmixcapsrc.h"
| Platform | Syntax |
|---|---|
| C | HRESULT ILMMixCapSrcLabel_put_BackgroundOpacity(pixCapSrcLabel, newVal) |
| C++ | HRESULT put_BackgroundOpacity(newVal) |
Pointer to an ILMMixCapSrcLabel interface.
Value that specifies the background opacity.
| 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 value is ignored if the label's background visibility retrieved by ILMMixCapSrcLabel::get_BackgroundVisible is VARIANT_FALSE.
Win32, x64.
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