void TestDialog()
{
int hr;
hr = m_ivcd.ShowDialog(VfwCompressDialogs.QueryAbout, IntPtr.Zero);
Debug.Assert(hr == 0);
hr = m_ivcd.ShowDialog(VfwCompressDialogs.QueryConfig, IntPtr.Zero);
Debug.Assert(hr == 0);
hr = m_ivcd.ShowDialog(VfwCompressDialogs.About, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
hr = m_ivcd.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// Displays a property page for a filter
/// </summary>
/// <param name="dev">The filter for which to display a property page</param>
public static void DisplayPropertyPage(IBaseFilter dev, IntPtr hwndOwner)
{
Trace.WriteLine("Tangra.DirectShowVideoBase: Showing properties page on managed thread " + Thread.CurrentThread.ManagedThreadId);
//Get the ISpecifyPropertyPages for the filter
ISpecifyPropertyPages pProp = dev as ISpecifyPropertyPages;
int hr = 0;
if (pProp == null)
{
//If the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead!
IAMVfwCompressDialogs compressDialog = dev as IAMVfwCompressDialogs;
if (compressDialog != null)
{
try
{
compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
}
}
return;
}
//Get the name of the filter from the FilterInfo struct
FilterInfo filterInfo;
hr = dev.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
// Get the propertypages from the property bag
DsCAUUID caGUID;
hr = pProp.GetPages(out caGUID);
DsError.ThrowExceptionForHR(hr);
// Create and display the OlePropertyFrame
object oDevice = (object)dev;
hr = OleCreatePropertyFrame(hwndOwner, 0, 0, filterInfo.achName, 1, ref oDevice, caGUID.cElems, caGUID.pElems, 0, 0, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
// Release COM objects
Marshal.FreeCoTaskMem(caGUID.pElems);
Marshal.ReleaseComObject(pProp);
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
}
public static void ShowDevicePropertyPages(IBaseFilter filter, IntPtr hWndOwner)
{
int hResult = 0;
ISpecifyPropertyPages propPages = filter as ISpecifyPropertyPages;
if (propPages != null)
{
try
{
// get the name of the filter from the FilterInfo struct
hResult = filter.QueryFilterInfo(out var filterInfo);
DsError.ThrowExceptionForHR(hResult);
// get the propertypages from the property bag
hResult = propPages.GetPages(out var caGUID);
DsError.ThrowExceptionForHR(hResult);
// create and display the OlePropertyFrame
object[] oDevice = new[] { (object)filter };
hResult = Ole.OleAut32.OleCreatePropertyFrame(hWndOwner, 0, 0, filterInfo.achName, 1, oDevice, caGUID.cElems, caGUID.ToGuidArray(), 0, 0, 0);
DsError.ThrowExceptionForHR(hResult);
// release COM objects
if (caGUID.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(caGUID.pElems);
}
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
}
finally
{
Marshal.ReleaseComObject(propPages);
}
}
else
{
// if the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead
IAMVfwCompressDialogs compressDialog = filter as IAMVfwCompressDialogs;
if (compressDialog != null)
{
hResult = compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hResult);
}
return;
}
}
/// <summary>
/// Displays a property page for a filter
/// </summary>
/// <param name="dev">The filter for which to display a property page</param>
private void DisplayPropertyPage(IBaseFilter dev)
{
//Get the ISpecifyPropertyPages for the filter
ISpecifyPropertyPages pProp = dev as ISpecifyPropertyPages;
int hr = 0;
if (pProp == null)
{
//If the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead!
IAMVfwCompressDialogs compressDialog = dev as IAMVfwCompressDialogs;
if (compressDialog != null)
{
hr = compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
}
else
{
MessageBox.Show("Item has no property page", "No Property Page", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
return;
}
//Get the name of the filter from the FilterInfo struct
FilterInfo filterInfo;
hr = dev.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
// Get the propertypages from the property bag
DsCAUUID caGUID;
hr = pProp.GetPages(out caGUID);
DsError.ThrowExceptionForHR(hr);
//Create and display the OlePropertyFrame
object oDevice = (object)dev;
hr = OleCreatePropertyFrame(this.Handle, 0, 0, filterInfo.achName, 1, ref oDevice, caGUID.cElems, caGUID.pElems, 0, 0, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(oDevice);
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
// Release COM objects
Marshal.FreeCoTaskMem(caGUID.pElems);
}
/// <summary>
/// Displays a property page for a filter
/// </summary>
/// <param name="parentHandle">An <see cref="IntPtr"/> with the handle for the parent window of the dialog.</param>
/// <param name="dev">The <see cref="IBaseFilter"/> for which to display a property page.</param>
public static void DisplayPropertyPage(IntPtr parentHandle, IBaseFilter dev)
{
// Get the ISpecifyPropertyPages for the filter
ISpecifyPropertyPages properties = dev as ISpecifyPropertyPages;
int hr = 0;
if (properties == null)
{
// If the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead!
IAMVfwCompressDialogs compressDialog = dev as IAMVfwCompressDialogs;
if (compressDialog != null)
{
hr = compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
}
return;
}
// Get the name of the filter from the FilterInfo struct
FilterInfo filterInfo;
hr = dev.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
// Get the propertypages from the property bag
DsCAUUID captureGUID;
hr = properties.GetPages(out captureGUID);
DsError.ThrowExceptionForHR(hr);
// Check for property pages on the output pin
IPin pin = DsFindPin.ByDirection(dev, PinDirection.Output, 0);
ISpecifyPropertyPages properties2 = pin as ISpecifyPropertyPages;
if (properties2 != null)
{
DsCAUUID captureGUID2;
hr = properties2.GetPages(out captureGUID2);
DsError.ThrowExceptionForHR(hr);
if (captureGUID2.cElems > 0)
{
int guidSize = Marshal.SizeOf(typeof(Guid));
// Create a new buffer to hold all the GUIDs
IntPtr p1 = Marshal.AllocCoTaskMem((captureGUID.cElems + captureGUID2.cElems) * guidSize);
// Copy over the pages from the Filter
for (int x = 0; x < captureGUID.cElems * guidSize; x++)
{
Marshal.WriteByte(p1, x, Marshal.ReadByte(captureGUID.pElems, x));
}
// Add the pages from the pin
for (int x = 0; x < captureGUID2.cElems * guidSize; x++)
{
Marshal.WriteByte(p1, x + (captureGUID.cElems * guidSize), Marshal.ReadByte(captureGUID2.pElems, x));
}
// Release the old memory
Marshal.FreeCoTaskMem(captureGUID.pElems);
Marshal.FreeCoTaskMem(captureGUID2.pElems);
// Reset caGUID to include both
captureGUID.pElems = p1;
captureGUID.cElems += captureGUID2.cElems;
}
}
// Create and display the OlePropertyFrame
object device = (object)dev;
hr = Oleaut32.OleCreatePropertyFrame(parentHandle, 0, 0, filterInfo.achName, 1, ref device, captureGUID.cElems, captureGUID.pElems, 0, 0, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
// Release COM objects
Marshal.FreeCoTaskMem(captureGUID.pElems);
Marshal.ReleaseComObject(properties);
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
}
/// <summary>
/// Show the property page. Some property pages cannot be displayed
/// while previewing and/or capturing.
/// </summary>
public override void Show(Control owner)
{
vfwCompressDialogs.ShowDialog(VfwCompressDialogs.Config, owner.Handle);
}
public void DisplayPropertyPage()
{
if (theDevice != null)
{
Marshal.ReleaseComObject(theDevice);
theDevice = null;
}
//Create the filter for the selected video input device
string devicepath = _filter.Name; // cd.VideoSource; //comboBox1.SelectedItem.ToString();
theDevice = CreateFilter(FilterCategory.VideoInputDevice, devicepath);
IBaseFilter dev = theDevice;
//Get the ISpecifyPropertyPages for the filter
ISpecifyPropertyPages pProp = dev as ISpecifyPropertyPages;
int hr = 0;
if (pProp == null)
{
//If the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead!
IAMVfwCompressDialogs compressDialog = dev as IAMVfwCompressDialogs;
if (compressDialog != null)
{
hr = compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
}
return;
}
//Get the name of the filter from the FilterInfo struct
FilterInfo filterInfo;
hr = dev.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
// Get the propertypages from the property bag
DsCAUUID caGUID;
hr = pProp.GetPages(out caGUID);
DsError.ThrowExceptionForHR(hr);
// Check for property pages on the output pin
IPin pPin = DsFindPin.ByDirection(dev, PinDirection.Output, 0);
ISpecifyPropertyPages pProp2 = pPin as ISpecifyPropertyPages;
if (pProp2 != null)
{
DsCAUUID caGUID2;
hr = pProp2.GetPages(out caGUID2);
DsError.ThrowExceptionForHR(hr);
if (caGUID2.cElems > 0)
{
int soGuid = Marshal.SizeOf(typeof(Guid));
// Create a new buffer to hold all the GUIDs
IntPtr p1 = Marshal.AllocCoTaskMem((caGUID.cElems + caGUID2.cElems) * soGuid);
// Copy over the pages from the Filter
for (int x = 0; x < caGUID.cElems * soGuid; x++)
{
Marshal.WriteByte(p1, x, Marshal.ReadByte(caGUID.pElems, x));
}
// Add the pages from the pin
for (int x = 0; x < caGUID2.cElems * soGuid; x++)
{
Marshal.WriteByte(p1, x + (caGUID.cElems * soGuid), Marshal.ReadByte(caGUID2.pElems, x));
}
// Release the old memory
Marshal.FreeCoTaskMem(caGUID.pElems);
Marshal.FreeCoTaskMem(caGUID2.pElems);
// Reset caGUID to include both
caGUID.pElems = p1;
caGUID.cElems += caGUID2.cElems;
}
}
// Create and display the OlePropertyFrame
try
{
object oDevice = (object)dev;
hr = OleCreatePropertyFrame(_parent.Handle, 10, 10, filterInfo.achName, 1, ref oDevice, caGUID.cElems, caGUID.pElems, 0, 0, IntPtr.Zero);
}
catch (Exception E)
{
// DsError.ThrowExceptionForHR(hr);
}
// Release COM objects
Marshal.FreeCoTaskMem(caGUID.pElems);
Marshal.ReleaseComObject(pProp);
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
}
internal static void _DisplayPropertyPage(object filter_or_pin, IntPtr hwndOwner)
{
if (filter_or_pin == null)
{
return;
}
//Get the ISpecifyPropertyPages for the filter
ISpecifyPropertyPages pProp = filter_or_pin as ISpecifyPropertyPages;
int hr = 0;
if (pProp == null)
{
//If the filter doesn't implement ISpecifyPropertyPages, try displaying IAMVfwCompressDialogs instead!
IAMVfwCompressDialogs compressDialog = filter_or_pin as IAMVfwCompressDialogs;
if (compressDialog != null)
{
hr = compressDialog.ShowDialog(VfwCompressDialogs.Config, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
}
return;
}
string caption = string.Empty;
if (filter_or_pin is IBaseFilter)
{
//Get the name of the filter from the FilterInfo struct
IBaseFilter as_filter = filter_or_pin as IBaseFilter;
FilterInfo filterInfo;
hr = as_filter.QueryFilterInfo(out filterInfo);
DsError.ThrowExceptionForHR(hr);
caption = filterInfo.achName;
if (filterInfo.pGraph != null)
{
Marshal.ReleaseComObject(filterInfo.pGraph);
}
}
else
if (filter_or_pin is IPin)
{
//Get the name of the filter from the FilterInfo struct
IPin as_pin = filter_or_pin as IPin;
PinInfo pinInfo;
hr = as_pin.QueryPinInfo(out pinInfo);
DsError.ThrowExceptionForHR(hr);
caption = pinInfo.name;
}
// Get the propertypages from the property bag
DsCAUUID caGUID;
hr = pProp.GetPages(out caGUID);
DsError.ThrowExceptionForHR(hr);
// Create and display the OlePropertyFrame
object oDevice = (object)filter_or_pin;
hr = NativeMethodes.OleCreatePropertyFrame(hwndOwner, 0, 0, caption, 1, ref oDevice, caGUID.cElems, caGUID.pElems, 0, 0, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
// Release COM objects
Marshal.FreeCoTaskMem(caGUID.pElems);
Marshal.ReleaseComObject(pProp);
}
private void OnRButtonDown(Point eLocation)
{
Filter filter = graph.FilterInPoint(mousepos);
if (filter != null)
{
Pin pin = filter.PinInPoint(mousepos);
if (pin != null)
{
movingStart = mousepos;
connectingPin = pin;
}
else //filter right click
{
rightClickedFilter = filter;
ContextMenu menu = new ContextMenu();
if (FilterGraphTools.HasPropertyPages(filter.BaseFilter))
menu.MenuItems.Add("Property page", ShowPropertyPage);
IAMVfwCompressDialogs vfw = filter.BaseFilter as IAMVfwCompressDialogs;
if (vfw != null)
{
if (vfw.ShowDialog(VfwCompressDialogs.QueryConfig, Handle) == 0)
menu.MenuItems.Add("VfW compressor: Config", VfWConfig);
if (vfw.ShowDialog(VfwCompressDialogs.QueryAbout, Handle) == 0)
menu.MenuItems.Add("VfW compressor: About", VfWAbout);
}
if ((filter.BaseFilter as ISampleGrabber) != null)
{
menu.MenuItems.Add("Set media type", SetSGMediaType);
menu.MenuItems.Add("Watch grabbed samples", WatchSampleGrabber);
}
menu.MenuItems.Add("Scan interfaces", ScanInterfaces);
if (filter.filterProps.DisplayName.Length > 0)
{
menu.MenuItems.Add("Add to favorites", AddToFavorites);
menu.MenuItems.Add("Find this filter in the list", FindFilterInList);
}
if ((filter.BaseFilter as IPersistStream) != null)
{
menu.MenuItems.Add("Save state to C++ code", SaveFilterStateToCode);
menu.MenuItems.Add("Save state to C# code", SaveFilterStateToCodeCS);
}
menu.Show(this, eLocation);
}
}
else //out of filter right click
{
ContextMenu menu = new ContextMenu();
menu.MenuItems.Add("Render file...", RenderFile);
menu.MenuItems.Add("Add source filter...", AddSourceFilter);
menu.MenuItems.Add("Load graph...", LoadGraph);
if (savedFileName != null)
menu.MenuItems.Add("Save graph", SaveGraph);
menu.MenuItems.Add("Save graph as...", SaveGraphAs);
menu.MenuItems.Add("See event log...", ShowEventLog);
menu.MenuItems.Add("Arrange filters", delegate
{
graph.LayoutFilters();
graph.RecalcPaths();
Invalidate();
});
menu.MenuItems.Add("Refresh graph", delegate { graph.ReloadGraph(); Invalidate(); });
menu.Show(this, eLocation);
}
}
