private void OnSelChange(object sender, EventArgs e)
{
try
{
int i = listBox.SelectedIndex;
if (i == 0)
{
selected_mt = null;
}
if (i == 1)
{
selected_mt = new AMMediaType();
}
if (i >= 2)
{
AMMediaType mt;
int hr = isc.GetStreamCaps(i - 2, out mt, scc);
DsError.ThrowExceptionForHR(hr);
selected_mt = mt;
}
propertyGrid.SelectedObject = selected_mt != null?
MediaTypeProps.CreateMTProps(selected_mt) : null;
}
catch (COMException ex)
{
Graph.ShowCOMException(ex, "Error trying to GetStreamCaps");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void MediaTypeListForm_Load(object sender, EventArgs e)
{
int count;
try
{
listBox.Items.Add("null (resets to default on some filters)");
listBox.Items.Add(MediaTypeProps.CreateMTProps(new AMMediaType()).ToString());
if (isc.GetNumberOfCapabilities(out count, out size) >= 0)
{
scc = Marshal.AllocHGlobal(size);
for (int i = 0; i < count; i++)
{
AMMediaType mt;
int hr = isc.GetStreamCaps(i, out mt, scc);
DsError.ThrowExceptionForHR(hr);
string s = MediaTypeProps.CreateMTProps(mt).ToString();
listBox.Items.Add(s);
}
}
}
catch (COMException ex)
{
Graph.ShowCOMException(ex, "Error getting stream capabilities");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public void SelectConnection(int con_id)
{
foreach (PinConnection con in connections)
{
if (con.ID == con_id)
{
SelectedConnection = con;
AMMediaType mt = new AMMediaType();
con.pins[0].IPin.ConnectionMediaType(mt);
MediaTypeProps mtp = MediaTypeProps.CreateMTProps(mt); //new MediaTypeProps(mt);
Program.mainform.propform.SetObject(mtp);
break;
}
}
}
private void OnLButtonUp()
{
if (movingFilter != null)
foreach (Filter f in graph.SelectedFilters)
f.movingStartCoords = f.Coords;
movingFilter = null;
if (connectingPin != null)
{
if (mousepos == movingStart) //just click on pin
{
if (connectingPin.Connection != null)
{
AMMediaType mt = new AMMediaType();
connectingPin.IPin.ConnectionMediaType(mt);
MediaTypeProps mtp = MediaTypeProps.CreateMTProps(mt); //new MediaTypeProps(mt);
Program.mainform.propform.SetObject(mtp);
}
else
{
IEnumMediaTypes mtenum;
if (connectingPin.IPin.EnumMediaTypes(out mtenum) >= 0)
{
AMMediaType[] mts = new AMMediaType[1];
List<MediaTypeProps> mtypes = new List<MediaTypeProps>();
IntPtr fetched = Marshal.AllocHGlobal(4);
while (mtenum.Next(1, mts, fetched) == 0)
mtypes.Add(MediaTypeProps.CreateMTProps(mts[0]));
Marshal.FreeHGlobal(fetched);
Program.mainform.propform.SetObject(mtypes.ToArray());
}
}
}
else
{
if (otherPin != null)
{
Pin inpin, outpin;
if (connectingPin.Direction == PinDirection.Input)
{
inpin = connectingPin;
outpin = otherPin;
}
else
{
inpin = otherPin;
outpin = connectingPin;
}
graph.Connect(outpin, inpin, true);
}
}
Invalidate();
}
if (selecting)
{
Rectangle rc = new Rectangle(Math.Min(mousepos.X, movingStart.X), Math.Min(mousepos.Y, movingStart.Y),
Math.Abs(mousepos.X - movingStart.X), Math.Abs(mousepos.Y - movingStart.Y));
if (ModifierKeys != Keys.Shift)
graph.ClearFiltersSelection();
graph.SelectSeveralFilters(rc);
selecting = false;
Invalidate();
}
connectingPin = null;
otherPin = null;
}
public StreamCaps(AMMediaType _mt, T _caps)
{
mt = MediaTypeProps.CreateMTProps(_mt); caps = _caps;
}
