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DSGraphEdit: A Reasonable Facsimile of Microsoft's GraphEdit in .NET

, 19 Dec 2007
A library for adding DirectShow GraphEdit-like abilities to .NET applications.
dsgrapheditdemo.zip
WeifenLuo.WinFormsUI.Docking.dll
DaggerLib.dll
DaggerLib.DSGraphEdit.dll
DaggerLib.UI.Windows.dll
DirectShowLib-2005.dll
DSGraphEdit.exe
MediaFoundation.dll
dsgrapheditsrc.zip
DSGraphEdit
bin
Release
DSIcon.ico
Properties
Settings.settings
Referenced Libs
WeifenLuo.WinFormsUI.Docking.dll
RemoteGraphTile.jpg
DaggerLib
bin
Release
Core
Interfaces
Properties
SetGeneric
UI
DaggerLib.DSGraphEdit
DMOParameterControls
DSFilterTreeView
DSGraphEditControls
lib
Properties
ReferencedLibs
DirectShowLib-2005.dll
MediaFoundation.dll
DaggerLib.UI.Windows
AStar
bin
Debug
DaggerPropertyGrid
PropertyGridEx
Properties
using System;
using System.Collections.Generic;
using System.Text;
using DaggerLib.Interfaces;

namespace DaggerLib.Core
{
    public enum PassPinDataAsClone
    {
        Never,
        Always,
        MultiConnect
    }

    [Flags]
    public enum PinMutexGroups
    {
        None = 0,
        Group1 = 1,
        Group2 = 2,
        Group3 = 4,
        Group4 = 8,
        Group5 = 16,
        Group6 = 32,
        Group7 = 64,
        Group8 = 128,
        Group9 = 256,
        Group10 = 512,
        All = 1023
    }

    // delegate for the OnPinDataSet event
    public delegate void DaggerPinDataSetHandler(DaggerBasePin sender,object data);

    //Delegates to Handle Pin Collection Add/Remove
    public delegate void DaggerPinAdded(object sender, DaggerBasePin pin);
    public delegate void DaggerPinRemoved(object sender, DaggerBasePin pin);

    // Delegate used as callback to signal completion of Graph Processing
    public delegate void DaggerGraphProcessingCompleteCallback(DaggerGraph graph);

    /// <summary>
    /// Handler for when a pin's name changes
    /// </summary>
    /// <param name="pin"></param>
    public delegate void DaggerPinNameChanged(DaggerBasePin pin);

    /// <summary>
    /// Handler for when a pin's Data Type has changed
    /// </summary>
    /// <param name="pin"></param>
    public delegate void DaggerPinDataTypeChanged(DaggerBasePin pin,Type type);

    /// <summary>
    /// Handler before a node is added/removed from a container panel
    /// </summary>
    /// <param name="node"></param>
    /// <param name="panel"></param>
    /// <returns>true if node can be removed</returns>
    public delegate bool BeforeNodeRemoveHandler(DaggerNode node);

    /// <summary>
    /// Handler called before a selection of Noodles and Nodes are deleted
    /// </summary>
    /// <param name="sender">UIGraph</param>
    /// <returns>true if selection can be deleted</returns>
    public delegate bool BeforeDeleteSelected(object sender);

    /// <summary>
    /// Handler called after a selection of Noodles and Nodes have been deleted
    /// </summary>
    /// <param name="sender"></param>
    public delegate void AfterDeleteSelected(object sender);

    /// <summary>
    /// Handler after a node is added/removed from a container panel
    /// </summary>
    /// <param name="node"></param>
    /// <param name="panel"></param>
    public delegate void AfterNodeRemoveHandler(DaggerNode node);

    /// <summary>
    /// Called before 2 pins are connected
    /// </summary>
    /// <param name="output"></param>
    /// <param name="input"></param>
    /// <returns>true if the pins can be connected</returns>
    public delegate bool PinBeforeConnectedHandler(DaggerOutputPin output, DaggerInputPin input);

    /// <summary>
    /// Called before 2 pins are disconnected
    /// </summary>
    /// <param name="output"></param>
    /// <param name="input"></param>
    /// <returns>returns true if pins can be disconnected</returns>
    public delegate bool PinBeforeDisconnectedHandler(DaggerOutputPin output, DaggerInputPin input);

    /// <summary>
    /// Called After 2 pins have been connected
    /// </summary>
    /// <param name="output"></param>
    /// <param name="input"></param>
    public delegate void PinAfterConnectedHandler(DaggerOutputPin output, DaggerInputPin input);

    /// <summary>
    /// Called After 2 pins have been disconnected
    /// </summary>
    /// <param name="output"></param>
    /// <param name="input"></param>
    public delegate void PinAfterDisconnectedHandler(DaggerOutputPin output, DaggerInputPin input);

    /// <summary>
    /// Called when a Dagger node is attached to a DaggerUINode
    /// </summary>
    /// <param name="node"></param>
    public delegate void DaggerNodeAttachedHandler(DaggerNode node);

    /// <summary>
    /// Called when a Dagger node is attached to a DaggerUINode
    /// </summary>
    /// <param name="node"></param>
    public delegate void DaggerUINodeAttachedHandler(IDaggerUINode node);

    /// <summary>
    /// Called before a base pin shows it's context menu
    /// </summary>
    /// <param name="pin"></param>
    public delegate void DaggerBasePinBeforeShowContextMenuHandler(DaggerBasePin pin);
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

JohnnyLocust
Software Developer (Senior) Haivision Network Video
United States United States
AKA Rich Insley.
 
I have over 25 years experience in programming, and I'm completely self taught. (Except for one year at California State University Fresno where I had to learn the God awful language Miranda (http://miranda.org.uk/). I've spent 10 years as a Paratrooper in the US Army during the Clinton Administration.
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