ILMMixCapSrcLabel::get_BackgroundOpacity

Summary

Retrieves the label's background opacity.

Syntax

#include "ilmmixcapsrc.h"

Platform Syntax
C HRESULT ILMMixCapSrcLabel_get_BackgroundOpacity(pixCapSrcLabel, pVal)
C++ HRESULT get_BackgroundOpacity(pVal)

Parameters

ILMMixCapSrcLabel * pixCapSrcLabel

Pointer to an ILMMixCapSrcLabel interface.

DOUBLE *pVal

Pointer to a variable that receives the background opacity.

Returns

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.

Comments

This value is ignored if the label's background visibility retrieved by ILMMixCapSrcLabel::get_BackgroundVisible is VARIANT_FALSE.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

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