_IMVSmartControlEvents

The _IMVSmartControlEvents Interface is the event interface for the MontiVision Smart Control .

Methods:

Typelib: MV Smart Control

Method _IMVSmartControlEvents::DeviceChanged

Declaration: Sub DeviceChanged(DeviceLost As Boolean, Device As String, DeviceName As String)

Signals that a video device has changed. The MV Smart Control could only detecting the lost of a current used video device. To get more information about lost/new devices look at the IMVSCFilterGraph::CheckVideoDeviceChange method.

Parameter:

	DeviceLost	True if a device was lost and False if a new device was detected.
	Device	Display string from the lost/new device.
	DeviceName	Label from the lost/new device.

C Prototype:

HRESULT DeviceChanged(VARIANT_BOOL DeviceLost, BSTR Device, BSTR DeviceName);

Method _IMVSmartControlEvents::EndOfStream

Declaration: Sub EndOfStream

Called at the end of a stream. E.g. at the end of a media file.

C Prototype:

HRESULT EndOfStream();

Method _IMVSmartControlEvents::FilterEvent

Declaration: Sub FilterEvent(Cookie As Long, EventCode As Long)

Called on receipt of a filter event.

Parameter:

	Cookie	Cookie value returned from the    IMVSCFilterEvents::Enable interface.
	EventCode	Event codes from the   MV Image Processing Filter. Look at the filter event documentation for more information.

C Prototype:

HRESULT FilterEvent(LONG Cookie, LONG EventCode);

Method _IMVSmartControlEvents::LogMessage

Declaration: Sub LogMessage(Level As Long, Msg As String)

Called when the smart control delivers a log message.

Parameter:

	Level	Log message level.
	Msg	Log message text.

C Prototype:

HRESULT LogMessage(LONG Level, BSTR Msg);

Method _IMVSmartControlEvents::OnDSEvent

Declaration: Sub OnDSEvent(EventCode As Long)

This method is called on an unhandled DirectShow event.

Parameter:

EventCode

DirectShow event code. Look at the DirectShow SDK documentation for more details.

C Prototype:

HRESULT OnDSEvent(LONG EventCode);

Method _IMVSmartControlEvents::OnFilterCreated

Declaration: Sub OnFilterCreated(Label As String, Filter As Unknown)

 Called after filter creation occurs within a graph. .

Parameter:

	Label	Filter label within the filter graph configuration.
	Filter	IUnknown interface from the filter.

C Prototype:

HRESULT OnFilterCreated(BSTR Label, IUnknown* Filter);

Method _IMVSmartControlEvents::OnFilterCreatedVB

Declaration: Sub OnFilterCreatedVB(Label As String)

Called after filter creation occurs within a graph. This method is for Visual Basic developers instead of OnFilterCreated.

Parameter:

Label

Filter label within the filter graph configuration.

C Prototype:

HRESULT OnFilterCreatedVB(BSTR Label);

Method _IMVSmartControlEvents::OnInputPinConnected

Declaration: Sub OnInputPinConnected(FilterLabel As String, PinLabel As String, Filter As Unknown)

Called before a filter's input pin is connected.

Parameter:

	FilterLabel	Filter label within the filter graph configuration.
	PinLabel	Input pin label within the filter graph configuration.
	Filter	IUnknown interface from the filter.

C Prototype:

HRESULT OnInputPinConnected(BSTR FilterLabel, BSTR PinLabel, UNKNOWN Filter);

Method _IMVSmartControlEvents::OnInputPinConnectedVB

Declaration: Sub OnInputPinConnectedVB(FilterLabel As String, PinLabel As String)

Called before an inputpin from a filter was connected. This method should use by Visual Basic developers instead of OnInputPinConnected

Parameter:

	FilterLabel	-
	PinLabel	-

C Prototype:

HRESULT OnInputPinConnectedVB(BSTR FilterLabel, BSTR PinLabel);

Method _IMVSmartControlEvents::OnOutputPinConnected

Declaration: Sub OnOutputPinConnected(FilterLabel As String, PinLabel As String, Filter As Unknown)

Called before a filter's output pin is connected.

Parameter:

	FilterLabel	Filter label within the filter graph configuration.
	PinLabel	Output pin label within the filter graph configuration.
	Filter	IUnknown interface from the filter.

C Prototype:

HRESULT OnOutputPinConnected(BSTR FilterLabel, BSTR PinLabel, IUnknown* Filter);

Method _IMVSmartControlEvents::OnOutputPinConnectedVB

Declaration: Sub OnOutputPinConnectedVB(FilterLabel As String, PinLabel As String)

Called before a filter's output pin is connected . This method is for Visual Basic developers instead of OnOutputPinConnected.

Parameter:

	FilterLabel	Filter label within the filter graph configuration.
	PinLabel	Output pin label within the filter graph configuration.

C Prototype:

HRESULT OnOutputPinConnectedVB(BSTR FilterLabel, BSTR PinLabel);

Method _IMVSmartControlEvents::OnVideoWindowKey

Declaration: Sub OnVideoWindowKey(VitualKey As Long, Down As Boolean, Repeat As Long, Flags As Long)

Called for keyboard events occurring in the video window.

Parameter:

	VitualKey	Virtual key code.
	Down	If ´TRUE the key is press down (WM_KEYDOWM). If FALSE the key is moved up (WM_KEYUP).
	Repeat	Repeat times.
	Flags	Additional key flags. Look at the WM_KEYxxx message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowKey(LONG VitualKey, VARIANT_BOOL Down, LONG Repeat, LONG Flags);

Method _IMVSmartControlEvents::OnVideoWindowLButtonDown

Declaration: Sub OnVideoWindowLButtonDown(DoubleClick As Boolean, x As Long, y As Long, KeyFlags As Long)

Called for "left button down" and "double click" events in the video window.

Parameter:

	DoubleClick	TRUE on double clicks.
	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_LBUTTONDOWN message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowLButtonDown(VARIANT_BOOL DoubleClick, LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowLButtonUp

Declaration: Sub OnVideoWindowLButtonUp(x As Long, y As Long, KeyFlags As Long)

Called for "left button up" events in the video window.

Parameter:

	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_LBUTTONUP message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowLButtonUp(LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowMButtonDown

Declaration: Sub OnVideoWindowMButtonDown(DoubleClick As Boolean, x As Long, y As Long, KeyFlags As Long)

Called for "middle button down" and "double click" events in the video window.

Parameter:

	DoubleClick	TRUE on double clicks.
	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_MBUTTONDOWN message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowMButtonDown(VARIANT_BOOL DoubleClick, LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowMButtonUp

Declaration: Sub OnVideoWindowMButtonUp(x As Long, y As Long, KeyFlags As Long)

Called for "middle button up" events in the video window.

Parameter:

	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_MBUTTONUP message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowMButtonUp(LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowMouseMove

Declaration: Sub OnVideoWindowMouseMove(x As Long, y As Long, KeyFlags As Long)

Called for "mouse move" events in the video window.

Parameter:

	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_MOUSEMOVE message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowMouseMove(LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowRButtonDown

Declaration: Sub OnVideoWindowRButtonDown(DoubleClick As Boolean, x As Long, y As Long, KeyFlags As Long)

Called for "right button down" and "double click" events in the video window

Parameter:

	DoubleClick	TRUE on double clicks.
	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_RBUTTONDOWN message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowRButtonDown(VARIANT_BOOL DoubleClick, LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::OnVideoWindowRButtonUp

Declaration: Sub OnVideoWindowRButtonUp(x As Long, y As Long, KeyFlags As Long)

Called for "right button up" events  in the video window.

Parameter:

	x	X -Coordinate
	y	Y-Coordinate
	KeyFlags	Key-flags. Look at the WM_RBUTTONUP message documentation from the Win32 SDK.

C Prototype:

HRESULT OnVideoWindowRButtonUp(LONG x, LONG y, LONG KeyFlags);

Method _IMVSmartControlEvents::Paused

Declaration: Sub Paused

Called when the filter graph changes to the paused state.

C Prototype:

HRESULT Paused();

Method _IMVSmartControlEvents::Started

Declaration: Sub Started

Called when the filter graph changes to the started state.

C Prototype:

HRESULT Started();

Method _IMVSmartControlEvents::Stopped

Declaration: Sub Stopped

Called when the filter graph changes to the stopped state.

C Prototype:

HRESULT Stopped();