The following tables list the members exposed by MPreviewClass.
Public Methods
| Name | Description | |
|---|---|---|
 | ObjectCallbackSet | Sets the callback (for C++ and Delphi, for other languages use events). This method blocks the video stream. |
| ObjectCallbackSetFunc | Sets the callback function (for C++ and Delphi, for other languages use events). The method blocks the video stream. |
| ObjectClose | Stops and closes the current object. |
| ObjectCommandExecute | Executes the special command for object. |
| ObjectFrameGet | Gets the current frame from any source object. |
| ObjectGetInternal | Gets DirectShow object in MPlatform. Use for MLive, MRenderer and MWriter objects. |
| ObjectNameGet | Gets the object name. |
| ObjectNameSet | Sets the object name. |
| ObjectStart | Initializes and starts the object. |
| ObjectStateGet | Gets the state of object. |
| ObjectVirtualSourceCreate | Creates virtual source. |
| PluginsAdd | Adds the plugin (for example, CG). |
| PluginsAddVB6 | PluginsAdd method for VB6 |
| PluginsGetByIndex | Gets the plugin by its index. |
| PluginsGetByIndexVB6 | PluginsGetByIndex method for VB6 |
| PluginsGetCount | Gets the number of plugins. |
| PluginsRemove | Removes the plugin. |
| PluginsReorder | Reorders plugins (for example, to add CG overlay before color conversion) |
| PreviewAudioVolumeGet | Gets the audio volume of preview. "0" is for full loudness and "-100" is for silence. |
| PreviewAudioVolumeSet | Sets the audio volume of preview. "0" is for full loudness and "-100" is for silence. |
| PreviewEnable | Enables the preview. |
| PreviewFullScreen | Enables the full screen mode. |
| PreviewIsEnabled | Indicates whether a preview is enabled |
| PreviewIsFullScreen | Indicates whether the full screen mode is enabled on specified screen. |
| PreviewSetCursor | Sets type of pointer in video preview window. |
| PreviewWindowSet | Sets the parent window for preview. |
| PreviewWindowSetVB6 | PreviewWindowSet method for VB6 |
| PropsGet | Gets the properties. |
| PropsGetByIndex | Gets the property by its index. |
| PropsGetCount | Gets the count of properties. |
| PropsInfoGet | Gets information about property |
| PropsOptionGet | Gets property from options |
| PropsOptionGetByIndex | Gets property option by its index |
| PropsOptionGetCount | Gets number of options for the property |
| PropsOptionSetByIndex | Sets option property by its index |
| PropsRemove | Removes the property. |
| PropsSet | Sets the property. |
| ReceiverChannelAdd | Adds the media sender to renderer. |
| ReceiverChannelAddByName | Adds the media sender by its name. |
| ReceiverChannelGetByIndex | Gets the information about sender by its index. |
| ReceiverChannelGetCount | Gets the number of connected senders. |
| ReceiverChannelRemove | Removes the media sender. |
| ReceiverPutEOS | Puts the end of stream command to renderer. It is used when stream is no longer needed for data transmission. |
| ReceiverPutFlush | Puts the Flush command to renderer to reset all data in object. It used before object removing. |
| ReceiverPutFrame | Puts frame to the renderer |
Public Events
| Name | Description | |
|---|---|---|
 | OnEvent | This method is called when some event occurs. The video stream is blocked while this method is called. |
| OnEventSafe | Safe analog for OnEvent method. In this case memory usage is optimized. Note: Release all the objects before exit OnEvent event body.Raises on each received event |
| OnFrame | This method is used to obtain frame data. It called for each input/output frame. The video stream is blocked while this method is called. |
| OnFrameSafe | Safe analog for OnFrame method. In this case memory usage is optimized. Note: Release all the objects before exit OnFrame event body.Raises on each frame processed |
See Also