#region namespaces using System; using System.ComponentModel; using System.Text; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; #endregion [DefaultProperty("MovieURL"), ToolboxData("<{0}:Media_Player_Control runat=server></{0}:Media_Player_Control>")] public class Media_Player_Control : System.Web.UI.WebControls.WebControl { #region Default Property Values const string DefaultMovieURL = ""; const bool DefaultAutoStart = false; const int DefaultBalance = 0; const int DefaultCurrentPosition = 0; const bool DefaultEnableContextMenu = true; const bool DefaultFullScreen = false; const bool DefaultMute = false; const int DefaultPlayCount = 1; const System.Single DefaultRate = (float)1.0; const bool DefaultStretchToFit = false; const Enumerations.PlayerMode DefaultUIMode = Enumerations.PlayerMode.Full; const int DefaultVolume = -1; #endregion #region Constructor public Media_Player_Control() { //Default width and height of the player this.Width = System.Web.UI.WebControls.Unit.Pixel(320); this.Height = System.Web.UI.WebControls.Unit.Pixel(240); } #endregion #region Public properties [Bindable(true), Category("Settings"), Description("Absolute or relative URL to movie.")] public string MovieURL { get { if(ViewState["MovieURL"] == null) return DefaultMovieURL; else return (string)ViewState["MovieURL"]; } set { if (value != DefaultMovieURL) ViewState["MovieURL"] = value; else ViewState["MovieURL"] = null; } } [Bindable(true), Category("Settings"), Description("Would movie play when page is loaded.")] public bool AutoStart { get { if(ViewState["AutoStart"] == null) return DefaultAutoStart; else return (bool)ViewState["AutoStart"]; } set { if(value != DefaultAutoStart) ViewState["AutoStart"] = value; else ViewState["AutoStart"] = null; } } [Bindable(true), Category("Settings"), Description("Balance")] int Balance { get { if (ViewState["Balance"] == null) return DefaultBalance; else return (int)ViewState["Balance"]; } set { if(value > 100) value = 100; if(value < -100) value = -100; if(value != DefaultBalance) ViewState["Balance"] = value; else ViewState["Balance"] = null; } } [Bindable(true), Category("Settings"), Description("Current postion.")] int CurrentPosition { get { if(ViewState["CurrentPosition"] == null) return DefaultCurrentPosition; else return (int)ViewState["CurrentPosition"]; } set { if(value < 0) value = 0; if(value != DefaultCurrentPosition) ViewState["CurrentPosition"] = value; else ViewState["CurrentPosition"] = null; } } [Bindable(true), Category("Settings")] bool EnableContextMenu { get { if(ViewState["EnableContextMenu"] == null) return DefaultEnableContextMenu; else return (bool)ViewState["EnableContextMenu"]; } set { if(value != DefaultEnableContextMenu) ViewState["EnablecontextMenu"] = value; else ViewState["EnablecontextMenu"] = null; } } [Bindable(true), Category("Settings"), Description("Would movie be played in full screen.")] bool FullScreen { get { if(ViewState["FullScreen"] == null) return DefaultFullScreen; else return (bool)ViewState["FullScreen"]; } set { if(value != DefaultFullScreen) ViewState["FullScreen"] = value; else ViewState["FullScreen"] = null; } } [Bindable(true), Category("Settings"), Description("Play video without sound.")] bool Mute { get { if(ViewState["Mute"] == null) return DefaultMute; else return (bool)ViewState["Mute"]; } set { if(value != DefaultMute) ViewState["Mute"] = value; else ViewState["Mute"] = null; } } [Bindable(true), Category("Settings"), Description("How much times will video play.")] int PlayCount { get { if(ViewState["PlayCount"] == null) return DefaultPlayCount; else return (int)ViewState["PlayCount"]; } set { if(value < 1) value = 1; if(value != DefaultPlayCount) ViewState["PlayCount"] = value; else ViewState["PlayCount"] = null; } } [Bindable(true), Category("Settings")] System.Single Rate { get { if(ViewState["Rate"] == null) return DefaultRate; else return (float)ViewState["Rate"]; } set { if(value < 0.0) value = (float)1.0; if(value != DefaultRate) ViewState["Rate"] = value; else ViewState["Rate"] = null; } } [Bindable(true), Category("Settings")] bool StretchToFit { get { if(ViewState["StretchToFit"] == null) return DefaultStretchToFit; else return (bool)ViewState["StretchToFit"]; } set { if(value != DefaultStretchToFit) ViewState["StretchToFit"] = value; else ViewState["StretchToFit"] = null; } } [Bindable(true), Category("Settings"), Description("Set how player will look like.")] Enumerations.PlayerMode uiMode { get { if(ViewState["uiMode"] == null) return DefaultUIMode; else return (Enumerations.PlayerMode)ViewState["uiMode"]; } set { if(value != DefaultUIMode) ViewState["uiMode"] = value; else ViewState["uiMode"] = null; } } [Bindable(true), Category("Settings"), Description("Set sound volume")] int Volume { get { if(ViewState["Volume"] == null) return DefaultVolume; else return (int)ViewState["Volume"]; } set { if(value != DefaultVolume) ViewState["Volume"] = value; else ViewState["Volume"] = null; } } #endregion #region Private functions private string getPlayerMode() { switch(uiMode) { case Enumerations.PlayerMode.Invisible: return "invisible"; case Enumerations.PlayerMode.Mini: return "mini"; case Enumerations.PlayerMode.None: return "none"; default: return "full"; } } #endregion #region Render [Description("Render control, depending of property values")] protected override void RenderContents(HtmlTextWriter output) { StringBuilder content = new StringBuilder(); content.Append("<OBJECT width=\"" + Width.ToString() + "\" height=\"" + Height.ToString() + "\" CLASSID=\"CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6\" VIEWASTEXT>\n"); content.Append("<PARAM name=\"autoStart\" value=\"" + AutoStart + "\">\n"); content.Append("<PARAM name=\"URL\" value=\"" + MovieURL + "\">\n"); content.Append("<PARAM name=\"enabled\" value=\"" + Enabled + "\">\n"); content.Append("<PARAM name=\"balance\" value=\"" + Balance + "\">\n"); content.Append("<PARAM name=\"currentPosition\" value=\"" + CurrentPosition + "\">\n"); content.Append("<PARAM name=\"enableContextMenu\" value=\"" + EnableContextMenu + "\">\n"); content.Append("<PARAM name=\"fullScreen\" value=\"" + FullScreen + "\">\n"); content.Append("<PARAM name=\"mute\" value=\"" + Mute + "\">\n"); content.Append("<PARAM name=\"playCount\" value=\"" + PlayCount + "\"\n>"); content.Append("<PARAM name=\"rate\" value=\"" + Rate + "\"\n>"); content.Append("<PARAM name=\"stretchToFit\" value=\"" + StretchToFit + "\"\n>"); content.Append("<PARAM name=\"uiMode\" value=\"" + getPlayerMode() + "\"\n>"); if(Volume >= 0) content.Append("<PARAM name=\"volume\" value=\"" + Volume + "\"\n>"); content.Append("</OBJECT>"); output.Write(content.ToString()); } } #endregion #region Enumerations namespace Enumerations { [Description("Player mode can be Invisible, None, Mini and Full")] public enum PlayerMode { Invisible = 0, None = 1, Mini = 2, Full = 3 } } #endregion

引用至http://www.beansoftware.com/ASP.NET-Tutorials/Media-Player.aspx

 

---

聰明人會抓住每一次機會，更聰明的人會不斷創造新機會。
每一秒都有千萬種可能，包括奇蹟！

技術永遠不是問題！

座右銘：有電腦的地方，就找得到我！！