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| Microsoft DirectShow 9.0 |
IAMLine21Decoder::GetRedrawAlways
The GetRedrawAlways method indicates whether the Line 21 Decoder filter redraws the entire output bitmap for each sample.
Syntax
HRESULT GetRedrawAlways( LPBOOL lpbOption );
Parameters
lpbOption
Pointer to a variable that receives one of the following values.
| Value | Description |
| TRUE | The filter always redraws the entire bitmap. |
| FALSE | The filter does not always redraw the entire bitmap. (Default) |
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