/// <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);
}
/// <summary>
/// Show property page of object
/// </summary>
/// <param name="filter"></param>
/// <param name="o"></param>
/// <returns></returns>
public bool ShowPropertyPage(int filter, Control o)
{
ISpecifyPropertyPages specifyPropertyPages = null;
String propertyPageName = "";
switch(filter)
{
case 1:
if(this.videoRendererFilter != null)
{
specifyPropertyPages = this.videoRendererFilter as ISpecifyPropertyPages;
propertyPageName = "Video Renderer";
}
break;
case 2:
if(this.deInterlaceFilter != null)
{
specifyPropertyPages = this.deInterlaceFilter as ISpecifyPropertyPages;
propertyPageName = "De-Interlacer";
}
break;
default:
break;
}
DirectShowPropertyPage PropertyPage = new DirectShowPropertyPage(propertyPageName, specifyPropertyPages);
if(PropertyPage != null)
{
PropertyPage.Show(o);
PropertyPage.Dispose();
return true;
}
return false;
}
/// <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 );
}
