To build the sample project, please follow the steps as below:

1. Install Visual C++ 6.0.
2. Install DirectX 8.1 SDK.
3. Add the following two paths to your Visual C++ Include environment variables:
	$(DXSDK)\INCLUDE
	$(DXSDK)\SAMPLES\MULTIMEDIA\DIRECTSHOW\BASECLASSES
   where $(DXSDK) is the location you installed DirectX 8.1 SDK. The DirectX 8.1 SDK
   directories must be the first in the search path.
4. Add the following two paths to your Visual C++ Lib environment variables:
	$(DXSDK)\LIB
   where $(DXSDK) is the location you installed DirectX 8.1 SDK. The DirectX 8.1 SDK
   directory must be the first in the search path.
5. Copy Include, Lib and Sample folders to one directory in your local hard disk.
6. Open the project file in your local Sample directory and build it.

Notes:

1. KSPROPERTY_CUSTOMBT848_AUTO_SWITCH should always be enabled after each call of
   Run() method and disabled after each call of Stop() method. Please reference the
   sample codes for more details.
2. wdt-demo program can work only on IVC-200 with WDT installed.