This topic applies to Windows XP or later.
The StateChange method is called by when the state of the Video Control changes.
void StateChange( MSVidCtlStateList PrevState, MSVidCtlStateList CurrState );
Specifies the previous state, as a member of the MSVidCtlStateList enumeration.
Specifies the current state, as as a member of the MSVidCtlStateList enumeration.
This method does not return a value.
The state of the Video Control does not necessarily correspond to the state of all the devices in the filter graph.
The dispatch identifier (dispid) of this method is dispidStateChange.
|Header||Declared in Dshow.h.|
Build date: 12/4/2008