public static bool ShowTunerPinDialog(ICaptureGraphBuilder2 bld, IBaseFilter flt, IntPtr hwnd)
{
int hr;
object comObj = null;
ISpecifyPropertyPages spec = null;
DsCAUUID cauuid = new DsCAUUID();
try {
Guid cat = PinCategory.Capture;
Guid type = MediaType.Interleaved;
Guid iid = typeof(IAMTVTuner).GUID;
hr = bld.FindInterface(ref cat, ref type, flt, ref iid, out comObj);
if (hr != 0)
{
type = MediaType.Video;
hr = bld.FindInterface(ref cat, ref type, flt, ref iid, out comObj);
if (hr != 0)
{
return(false);
}
}
spec = comObj as ISpecifyPropertyPages;
if (spec == null)
{
return(false);
}
hr = spec.GetPages(out cauuid);
hr = OleCreatePropertyFrame(hwnd, 30, 30, null, 1,
ref comObj, cauuid.cElems, cauuid.pElems, 0, 0, IntPtr.Zero);
return(true);
}
catch (Exception ee)
{
Trace.WriteLine("!Ds.NET: ShowCapPinDialog " + ee.Message);
return(false);
}
finally
{
if (cauuid.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(cauuid.pElems);
}
spec = null;
if (comObj != null)
{
Marshal.ReleaseComObject(comObj);
}
comObj = null;
}
}
public static bool ShowCapPinDialog(ICaptureGraphBuilder2 bld, IBaseFilter flt, IntPtr hwnd)
{
object ppint = null;
ISpecifyPropertyPages pages = null;
bool flag;
DsCAUUID pPages = new DsCAUUID();
try
{
Guid capture = PinCategory.Capture;
Guid interleaved = MediaType.Interleaved;
Guid gUID = typeof(IAMStreamConfig).GUID;
if (bld.FindInterface(ref capture, ref interleaved, flt, ref gUID, out ppint) != 0)
{
interleaved = MediaType.Video;
if (bld.FindInterface(ref capture, ref interleaved, flt, ref gUID, out ppint) != 0)
{
return false;
}
}
pages = ppint as ISpecifyPropertyPages;
if (pages == null)
{
return false;
}
int num = pages.GetPages(out pPages);
num = OleCreatePropertyFrame(hwnd, 30, 30, null, 1, ref ppint, pPages.cElems, pPages.pElems, 0, 0, IntPtr.Zero);
flag = true;
}
catch (Exception exception)
{
Trace.WriteLine("!Ds.NET: ShowCapPinDialog " + exception.Message);
flag = false;
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
pages = null;
if (ppint != null)
{
Marshal.ReleaseComObject(ppint);
}
ppint = null;
}
return flag;
}
// ---------------- Public Methods --------------------
/// <summary>
/// Show the property page. Some property pages cannot be displayed
/// while previewing and/or capturing.
/// </summary>
public override void Show(Control owner)
{
DsCAUUID cauuid = new DsCAUUID();
try
{
int hr = specifyPropertyPages.GetPages( out cauuid );
//if ( hr != 0 ) Marshal.ThrowExceptionForHR( hr );
object o = specifyPropertyPages;
hr = OleCreatePropertyFrame( owner.Handle, 30, 30, null, 1,
ref o, cauuid.cElems, cauuid.pElems, 0, 0, IntPtr.Zero );
}
finally
{
if( cauuid.pElems != IntPtr.Zero )
Marshal.FreeCoTaskMem( cauuid.pElems );
}
}
public static bool ShowTunerPinDialog( ICaptureGraphBuilder2 bld, IBaseFilter flt, IntPtr hwnd )
{
int hr;
object comObj = null;
ISpecifyPropertyPages spec = null;
DsCAUUID cauuid = new DsCAUUID();
try {
Guid cat = PinCategory.Capture;
Guid type = MediaType.Interleaved;
Guid iid = typeof(IAMTVTuner).GUID;
hr = bld.FindInterface( ref cat, ref type, flt, ref iid, out comObj );
if( hr != 0 )
{
type = MediaType.Video;
hr = bld.FindInterface( ref cat, ref type, flt, ref iid, out comObj );
if( hr != 0 )
return false;
}
spec = comObj as ISpecifyPropertyPages;
if( spec == null )
return false;
hr = spec.GetPages( out cauuid );
hr = OleCreatePropertyFrame( hwnd, 30, 30, null, 1,
ref comObj, cauuid.cElems, cauuid.pElems, 0, 0, IntPtr.Zero );
return true;
}
catch( Exception ee )
{
Trace.WriteLine( "!Ds.NET: ShowCapPinDialog " + ee.Message );
return false;
}
finally
{
if( cauuid.pElems != IntPtr.Zero )
Marshal.FreeCoTaskMem( cauuid.pElems );
spec = null;
if( comObj != null )
Marshal.ReleaseComObject( comObj ); comObj = null;
}
}
public override void Show(Control owner)
{
DsCAUUID pPages = new DsCAUUID();
try
{
int pages = this.specifyPropertyPages.GetPages(out pPages);
if (pages != 0)
{
Marshal.ThrowExceptionForHR(pages);
}
object specifyPropertyPages = this.specifyPropertyPages;
pages = OleCreatePropertyFrame(owner.Handle, 30, 30, null, 1, ref specifyPropertyPages, pPages.cElems, pPages.pElems, 0, 0, IntPtr.Zero);
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
/// <summary>
/// Returns the object as an ISpecificPropertyPage
/// if the object supports the ISpecificPropertyPage
/// interface and has at least one property page.
/// </summary>
protected bool addIfSupported(object o, string name)
{
ISpecifyPropertyPages specifyPropertyPages = null;
DsCAUUID cauuid = new DsCAUUID();
bool wasAdded = false;
// Determine if the object supports the interface
// and has at least 1 property page
try
{
specifyPropertyPages = o as ISpecifyPropertyPages;
if ( specifyPropertyPages != null )
{
int hr = specifyPropertyPages.GetPages( out cauuid );
if ( ( hr != 0 ) || ( cauuid.cElems <= 0 ) )
specifyPropertyPages = null;
}
}
finally
{
if( cauuid.pElems != IntPtr.Zero )
Marshal.FreeCoTaskMem( cauuid.pElems );
}
// Add the page to the internal collection
if ( specifyPropertyPages != null )
{
DirectShowPropertyPage p = new DirectShowPropertyPage( name, specifyPropertyPages );
InnerList.Add( p );
wasAdded = true;
}
return( wasAdded );
}
