BindingManagerBase.GetItemProperties 方法

定義

命名空間:: System.Windows.Forms

組件:: System.Windows.Forms.dll

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

取得資料來源的屬性描述符清單。

多載

名稱	Description
GetItemProperties()	當在衍生類別中覆寫時，會得到綁定的屬性描述符集合。
GetItemProperties(ArrayList, ArrayList)	利用指定的 ArrayList取得綁定的性質描述子集合。
GetItemProperties(Type, Int32, ArrayList, ArrayList)	取得由此 BindingManagerBase管理的項目屬性清單。

GetItemProperties()

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

當在衍生類別中覆寫時，會得到綁定的屬性描述符集合。

public:
 abstract System::ComponentModel::PropertyDescriptorCollection ^ GetItemProperties();

public:
 virtual System::ComponentModel::PropertyDescriptorCollection ^ GetItemProperties();

public abstract System.ComponentModel.PropertyDescriptorCollection GetItemProperties();

public virtual System.ComponentModel.PropertyDescriptorCollection GetItemProperties();

abstract member GetItemProperties : unit -> System.ComponentModel.PropertyDescriptorCollection

abstract member GetItemProperties : unit -> System.ComponentModel.PropertyDescriptorCollection
override this.GetItemProperties : unit -> System.ComponentModel.PropertyDescriptorCollection

Public MustOverride Function GetItemProperties () As PropertyDescriptorCollection

Public Overridable Function GetItemProperties () As PropertyDescriptorCollection

傳回

PropertyDescriptorCollection

A PropertyDescriptorCollection 代表綁定的屬性描述子。

範例

以下程式碼範例使用該 GetItemProperties 方法回傳 PropertyDescriptorCollection。範例中以 Name DataColumn的方法列印與 GetValue 電流值PropertyDescriptor。

void ShowGetItemProperties()
{
   
   // Create a new DataTable and add two columns.
   DataTable^ dt = gcnew DataTable;
   dt->Columns->Add( "Name", Type::GetType( "System.String" ) );
   dt->Columns->Add( "ID", Type::GetType( "System.String" ) );
   
   // Add a row to the table.
   DataRow^ dr = dt->NewRow();
   dr[ "Name" ] = "Ann";
   dr[ "ID" ] = "AAA";
   dt->Rows->Add( dr );
   PropertyDescriptorCollection^ myPropertyDescriptors = this->BindingContext[ dt ]->GetItemProperties();
   PropertyDescriptor^ myPropertyDescriptor = myPropertyDescriptors[ "Name" ];
   Console::WriteLine( myPropertyDescriptor->Name );
   Console::WriteLine( myPropertyDescriptor->GetValue( dt->DefaultView[ 0 ] ) );
}

private void ShowGetItemProperties()
{
   // Create a new DataTable and add two columns.
   DataTable dt = new DataTable();
   dt.Columns.Add("Name", Type.GetType("System.String"));
   dt.Columns.Add("ID", Type.GetType("System.String"));
   // Add a row to the table.
   DataRow dr = dt.NewRow();
   dr["Name"] = "Ann";
   dr["ID"] = "AAA";
   dt.Rows.Add(dr);

   PropertyDescriptorCollection myPropertyDescriptors = 
   this.BindingContext[dt].GetItemProperties();
   PropertyDescriptor myPropertyDescriptor = 
   myPropertyDescriptors["Name"];
   Console.WriteLine(myPropertyDescriptor.Name);
   Console.WriteLine(myPropertyDescriptor.GetValue
   (dt.DefaultView[0]));
}

Private Sub ShowGetItemProperties()
   ' Create a new DataTable and add two columns.
   Dim dt As New DataTable()
   dt.Columns.Add("Name", Type.GetType("System.String"))
   dt.Columns.Add("ID", Type.GetType("System.String"))
   ' Add a row to the table.
   Dim dr As DataRow = dt.NewRow()
   dr("Name") = "Ann"
   dr("ID") = "AAA"
   dt.Rows.Add(dr)
     
   Dim myPropertyDescriptors As PropertyDescriptorCollection = _
   Me.BindingContext(dt).GetItemProperties()
   Dim myPropertyDescriptor As PropertyDescriptor = myPropertyDescriptors("Name")
   Console.WriteLine(myPropertyDescriptor.Name)
   Console.WriteLine(myPropertyDescriptor.GetValue(dt.DefaultView(0)))
End Sub

另請參閱

GetListName(ArrayList)

適用於

GetItemProperties(ArrayList, ArrayList)

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

利用指定的 ArrayList取得綁定的性質描述子集合。

protected public:
 virtual System::ComponentModel::PropertyDescriptorCollection ^ GetItemProperties(System::Collections::ArrayList ^ dataSources, System::Collections::ArrayList ^ listAccessors);

protected internal virtual System.ComponentModel.PropertyDescriptorCollection GetItemProperties(System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors);

protected internal virtual System.ComponentModel.PropertyDescriptorCollection? GetItemProperties(System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors);

abstract member GetItemProperties : System.Collections.ArrayList * System.Collections.ArrayList -> System.ComponentModel.PropertyDescriptorCollection
override this.GetItemProperties : System.Collections.ArrayList * System.Collections.ArrayList -> System.ComponentModel.PropertyDescriptorCollection

Protected Friend Overridable Function GetItemProperties (dataSources As ArrayList, listAccessors As ArrayList) As PropertyDescriptorCollection

參數

dataSources: ArrayList

ArrayList包含資料來源。

listAccessors: ArrayList

ArrayList包含該表的束縛性質。

傳回

PropertyDescriptorCollection

A PropertyDescriptorCollection 代表綁定的屬性描述子。

備註

此方法被開發者用於建立資料綁定控制項。

另請參閱

GetListName(ArrayList)

適用於

GetItemProperties(Type, Int32, ArrayList, ArrayList)

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

來源:: BindingManagerBase.cs

取得由此 BindingManagerBase管理的項目屬性清單。

protected:
 virtual System::ComponentModel::PropertyDescriptorCollection ^ GetItemProperties(Type ^ listType, int offset, System::Collections::ArrayList ^ dataSources, System::Collections::ArrayList ^ listAccessors);

protected virtual System.ComponentModel.PropertyDescriptorCollection GetItemProperties(Type listType, int offset, System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors);

protected virtual System.ComponentModel.PropertyDescriptorCollection? GetItemProperties(Type listType, int offset, System.Collections.ArrayList dataSources, System.Collections.ArrayList listAccessors);

abstract member GetItemProperties : Type * int * System.Collections.ArrayList * System.Collections.ArrayList -> System.ComponentModel.PropertyDescriptorCollection
override this.GetItemProperties : Type * int * System.Collections.ArrayList * System.Collections.ArrayList -> System.ComponentModel.PropertyDescriptorCollection

Protected Overridable Function GetItemProperties (listType As Type, offset As Integer, dataSources As ArrayList, listAccessors As ArrayList) As PropertyDescriptorCollection

參數

listType: Type

綁定清單的那些 Type 。

offset: Int32

一個計數器用來遞迴呼叫該方法。

dataSources: ArrayList

ArrayList包含資料來源。

listAccessors: ArrayList

ArrayList包含該表的束縛性質。

傳回

PropertyDescriptorCollection

A PropertyDescriptorCollection 代表綁定的屬性描述子。

範例

以下程式碼範例使用GetItemProperties回傳 a PropertyDescriptorCollection 的方法。BindingManagerBase 範例接著列印Name出集合中每個PropertyType集合的和 PropertyDescriptor 。

void PrintPropertyDescriptions( BindingManagerBase^ b )
{
   Console::WriteLine( "Printing Property Descriptions" );
   PropertyDescriptorCollection^ ps = b->GetItemProperties();
   for ( int i = 0; i < ps->Count; i++ )
   {
      Console::WriteLine( "\t{0}\t{1}", ps[ i ]->Name, ps[ i ]->PropertyType );

   }
}

private void PrintPropertyDescriptions(BindingManagerBase b)
{
   Console.WriteLine("Printing Property Descriptions");
   PropertyDescriptorCollection ps = b.GetItemProperties();
   for(int i = 0; i < ps.Count; i++)
   {
      Console.WriteLine("\t" + ps[i].Name + "\t" + ps[i].PropertyType);
   }
}

Private Sub PrintPropertyDescriptions(b As BindingManagerBase)
    Console.WriteLine("Printing Property Descriptions")
    Dim ps As PropertyDescriptorCollection = b.GetItemProperties()
    Dim i As Integer
    For i = 0 To ps.Count - 1
        Console.WriteLine((ControlChars.Tab & ps(i).Name & ControlChars.Tab & ps(i).PropertyType.ToString))
    Next i
End Sub

備註

這種過載被開發者用來建立資料綁定的控制。

另請參閱

GetListName(ArrayList)

適用於

意見反應

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