IFullScreenVideoEx::IsModeAvailable method (amvideo.h)
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The IsModeAvailable method queries whether a specified display mode is available.
Syntax
HRESULT IsModeAvailable(
[in] long Mode
);
Parameters
[in] Mode
Index of the display mode.
Return value
Returns an HRESULT value. Possible values include the following.
| Return code | Description |
|---|---|
|
Index out of range. |
|
The display mode is not available. |
|
The display mode is available. |
Remarks
The Full Screen Renderer supports a static set of display modes. However, the video card on the user's system might not support every mode. If a particular display mode is not supported by the video card, this method returns S_FALSE. Even if a particular mode is available, it will not necessarily be used for video playback. The mode must also be compatible with the filters in the filter graph.
You can disable a display mode by calling the IFullScreenVideoEx::SetEnabled method. The Full Screen Renderer will not use a disabled mode, even if the video card supports it.
Display modes are indexed from zero. The IFullScreenVideoEx::CountModes method returns the number of modes.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | amvideo.h (include Dshow.h) |
| Library | Strmiids.lib |