IAMLine21Decoder::GetDrawBackgroundMode
Microsoft DirectShow 9.0 |
IAMLine21Decoder::GetDrawBackgroundMode
The GetDrawBackgroundMode method indicates whether the Line 21 Decoder filter draws the captions on a transparent background or an opaque background. By default, the caption background is opaque.
Syntax
HRESULT GetDrawBackgroundMode( AM_LINE21_DRAWBGMODE *lpMode );
Parameters
lpMode
Pointer a variable that receives a member of the AM_LINE21_DRAWBGMODE enumeration.
Return Values
Returns an HRESULT value. Possible values include the following.
Value | Description |
E_INVALIDARG | Invalid argument |
S_OK | Success |
Requirements
Header: Include il21dec.h.
Library: Use Strmiids.lib.
See Also