Esempio n. 1
0
 public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
 {
     if (context != null && provider != null && context.Instance != null && context.PropertyDescriptor != null)
     {
         IWindowsFormsEditorService service = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
         if (service != null)
         {
             Capturer cap = context.Instance as Capturer;
             if (cap != null)
             {
                 ListBox        list = new ListBox();
                 IList <string> l    = null;
                 if (string.CompareOrdinal(context.PropertyDescriptor.Name, "VideoDeviceName") == 0)
                 {
                     l = cap.VideoDeviceList;
                 }
                 else if (string.CompareOrdinal(context.PropertyDescriptor.Name, "AudioDeviceName") == 0)
                 {
                     l = cap.AudioDeviceList;
                 }
                 else if (string.CompareOrdinal(context.PropertyDescriptor.Name, "VideoCompressor") == 0)
                 {
                     IList <Filter> fs = cap.VideoCompressorList;
                     if (fs != null && fs.Count > 0)
                     {
                         List <string> lst = new List <string>();
                         foreach (Filter f in fs)
                         {
                             lst.Add(f.Name);
                         }
                         l = lst;
                     }
                 }
                 else if (string.CompareOrdinal(context.PropertyDescriptor.Name, "AudioCompressor") == 0)
                 {
                     IList <Filter> fs = cap.AudioCompressorList;
                     if (fs != null && fs.Count > 0)
                     {
                         List <string> lst = new List <string>();
                         foreach (Filter f in fs)
                         {
                             lst.Add(f.Name);
                         }
                         l = lst;
                     }
                 }
                 else if (string.CompareOrdinal(context.PropertyDescriptor.Name, "VideoSourceName") == 0)
                 {
                     IList <Source> fs = cap.VideoSourceList;
                     if (fs != null && fs.Count > 0)
                     {
                         List <string> lst = new List <string>();
                         foreach (Source f in fs)
                         {
                             lst.Add(f.Name);
                         }
                         l = lst;
                     }
                 }
                 else if (string.CompareOrdinal(context.PropertyDescriptor.Name, "AudioSourceName") == 0)
                 {
                     IList <Source> fs = cap.AudioSourceList;
                     if (fs != null && fs.Count > 0)
                     {
                         List <string> lst = new List <string>();
                         foreach (Source f in fs)
                         {
                             lst.Add(f.Name);
                         }
                         l = lst;
                     }
                 }
                 if (l != null)
                 {
                     string sv = string.Empty;
                     if (value != null)
                     {
                         sv = value.ToString();
                     }
                     foreach (string s in l)
                     {
                         int n = list.Items.Add(s);
                         if (list.SelectedIndex < 0)
                         {
                             if (string.CompareOrdinal(s, sv) == 0)
                             {
                                 list.SelectedIndex = n;
                             }
                         }
                     }
                 }
                 if (list.Items.Count > 0)
                 {
                     list.Tag       = service;
                     list.Click    += new EventHandler(list_Click);
                     list.KeyPress += new KeyPressEventHandler(list_KeyPress);
                     service.DropDownControl(list);
                     if (list.SelectedIndex >= 0)
                     {
                         value = list.Text;
                     }
                 }
             }
         }
     }
     return(value);
 }
 public void LoadData(Capturer obj)
 {
     propertyGrid1.SelectedObject = obj;
 }