DataGridColumnStyle.Edit Methode

Definition

Bereitet die Zelle für die Bearbeitung eines Werts vor.

Überlädt

Name Beschreibung
Edit(CurrencyManager, Int32, Rectangle, Boolean)

Bereitet eine Zelle für die Bearbeitung vor.

Edit(CurrencyManager, Int32, Rectangle, Boolean, String)

Bereitet die Zelle für die Bearbeitung mithilfe der angegebenen CurrencyManagerZeilennummer und Rectangle parameter vor.

Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)

Wenn eine Ableitungsklasse überschrieben wird, wird eine Zelle für die Bearbeitung vorbereitet.

Edit(CurrencyManager, Int32, Rectangle, Boolean)

Quelle:
DataGridColumnStyle.cs
Quelle:
DataGridColumnStyle.cs

Bereitet eine Zelle für die Bearbeitung vor.

protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly);
protected internal virtual void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly);
abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool -> unit
Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean)

Parameter

rowNum
Int32

Die zu bearbeitende Zeilennummer.

bounds
Rectangle

Die Begrenzung Rectangle , in der das Steuerelement angeordnet werden soll.

readOnly
Boolean

Ein Wert, der angibt, ob die Spalte schreibgeschützt ist. truewenn der Wert schreibgeschützt ist; andernfalls . false

Hinweise

In der Regel wird mit der Edit Methode ein Steuerelement am Raster an der Position der bearbeiteten Zelle angezeigt.

Gilt für:

Edit(CurrencyManager, Int32, Rectangle, Boolean, String)

Quelle:
DataGridColumnStyle.cs
Quelle:
DataGridColumnStyle.cs

Bereitet die Zelle für die Bearbeitung mithilfe der angegebenen CurrencyManagerZeilennummer und Rectangle parameter vor.

protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ instantText);
protected public:
 virtual void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ displayText);
protected internal virtual void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string instantText);
protected internal virtual void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string displayText);
abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
override this.Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string -> unit
Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, instantText As String)
Protected Friend Overridable Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, displayText As String)

Parameter

rowNum
Int32

Die Zeilennummer in dieser Spalte, die bearbeitet wird.

bounds
Rectangle

Das Rectangle Steuerelement, in dem das Steuerelement abgelegt werden soll.

readOnly
Boolean

Ein Wert, der angibt, ob die Spalte schreibgeschützt ist. truewenn der Wert schreibgeschützt ist; andernfalls . false

instantTextdisplayText
String

Der text, der im Steuerelement angezeigt werden soll.

Beispiele

Im folgenden Codebeispiel wird die Edit-Methode verwendet, um den Text einer geklickten Zelle im Steuerelement System.Windows.Forms.DataGrid zu ändern.

public ref class Form1: public Form
{
private:
   DataSet^ myDataSet;
   void dataGrid1_MouseDown( Object^ sender, MouseEventArgs^ e )
   {
      // Use the HitTest method to get a HitTestInfo object.
      System::Windows::Forms::DataGrid::HitTestInfo^ hi;
      DataGrid^ grid = dynamic_cast<DataGrid^>(sender);
      hi = grid->HitTest( e->X, e->Y );

      // Test if the clicked area was a cell.
      if ( hi->Type == DataGrid::HitTestType::Cell )
      {
         // If it's a cell, get the GridTable and CurrencyManager of the
         // clicked table.         
         DataGridTableStyle^ dgt = grid->TableStyles[ 0 ];
         CurrencyManager^ myCurrencyManager = dynamic_cast<CurrencyManager^>(this->BindingContext[ myDataSet->Tables[ dgt->MappingName ] ]);

         // Get the Rectangle of the clicked cell.
         Rectangle cellRect;
         cellRect = grid->GetCellBounds( hi->Row, hi->Column );

         // Get the clicked DataGridTextBoxColumn.
         MyColumnStyle ^ gridCol = dynamic_cast<MyColumnStyle^>(dgt->GridColumnStyles[ hi->Column ]);

         // Edit the value.
         gridCol->EditVal( myCurrencyManager, hi->Row, cellRect, false, "New Text" );
      }
   }


public:
   ref class MyColumnStyle: public DataGridTextBoxColumn
   {
   public:
      void EditVal( CurrencyManager^ cm, int row, Rectangle rec, bool readOnly, String^ text )
      {
         this->Edit( cm, row, rec, readOnly, text );
      }
   };
};
public class Form1: Form
{
static void Main(){}

protected DataSet myDataSet;

private void dataGrid1_MouseDown(object sender, MouseEventArgs e)
{
    // Use the HitTest method to get a HitTestInfo object.
    System.Windows.Forms.DataGrid.HitTestInfo hi;   
    DataGrid grid = (DataGrid) sender;
    hi=grid.HitTest(e.X, e.Y);
    // Test if the clicked area was a cell.
    if (hi.Type==DataGrid.HitTestType.Cell)
    {
       // If it's a cell, get the GridTable and CurrencyManager of the
       // clicked table.         
       DataGridTableStyle dgt = grid.TableStyles[0];     
       CurrencyManager myCurrencyManager = (CurrencyManager)
        this.BindingContext[myDataSet.Tables[dgt.MappingName]];
       // Get the Rectangle of the clicked cell.
       Rectangle cellRect;
       cellRect=grid.GetCellBounds(hi.Row, hi.Column);
       // Get the clicked DataGridTextBoxColumn.
       MyColumnStyle gridCol =(MyColumnStyle) 
       dgt.GridColumnStyles[hi.Column];
       // Edit the value.
       gridCol.EditVal(myCurrencyManager, hi.Row, cellRect, false, "New Text");
    }
 }

public class MyColumnStyle:DataGridTextBoxColumn{
    public void EditVal(CurrencyManager cm, int row, Rectangle rec, 
    bool readOnly, string text){
        this.Edit(cm, row, rec, readOnly, text);
    }
}
}
Public Class Form1
   Inherits Form

   Protected myDataSet As DataSet

   Shared Sub Main()
   End Sub
    
    Private Sub dataGrid1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)
        ' Use the HitTest method to get a HitTestInfo object.
        Dim hi As System.Windows.Forms.DataGrid.HitTestInfo
        Dim grid As DataGrid = CType(sender, DataGrid)
        hi = grid.HitTest(e.X, e.Y)
        ' Test if the clicked area was a cell.
        If hi.Type = DataGrid.HitTestType.Cell Then
            ' If it's a cell, get the GridTable and CurrencyManager of the
            ' clicked table.         
            Dim dgt As DataGridTableStyle = grid.TableStyles(0)
            Dim myCurrencyManager As CurrencyManager = _
            CType(Me.BindingContext _
            (myDataSet.Tables(dgt.MappingName)), CurrencyManager)
            ' Get the Rectangle of the clicked cell.
            Dim cellRect As Rectangle
            cellRect = grid.GetCellBounds(hi.Row, hi.Column)
            ' Get the clicked DataGridTextBoxColumn.
            Dim gridCol As MyColumnStyle = CType(dgt.GridColumnStyles _
            (hi.Column), MyColumnStyle)
            ' Edit the value.
            gridCol.EditVal(myCurrencyManager, hi.Row, cellRect, False, "New Text")
        End If
    End Sub
End Class 

Public Class MyColumnStyle
   Inherits DataGridTextBoxColumn
   Public Sub EditVal(cm As CurrencyManager, row As Integer, _
   rec As Rectangle, bReadOnly As Boolean, text As String)
      MyBase.Edit(cm, row, rec, bReadOnly, text)
   End Sub
End Class

Hinweise

In der Regel wird mit der Edit Methode ein Steuerelement am Raster an der Position der bearbeiteten Zelle angezeigt.

Gilt für:

Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)

Quelle:
DataGridColumnStyle.cs
Quelle:
DataGridColumnStyle.cs

Wenn eine Ableitungsklasse überschrieben wird, wird eine Zelle für die Bearbeitung vorbereitet.

protected public:
 abstract void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ instantText, bool cellIsVisible);
protected public:
 abstract void Edit(System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Rectangle bounds, bool readOnly, System::String ^ displayText, bool cellIsVisible);
protected internal abstract void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string instantText, bool cellIsVisible);
protected internal abstract void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string displayText, bool cellIsVisible);
abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string * bool -> unit
abstract member Edit : System.Windows.Forms.CurrencyManager * int * System.Drawing.Rectangle * bool * string * bool -> unit
Protected Friend MustOverride Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, instantText As String, cellIsVisible As Boolean)
Protected Friend MustOverride Sub Edit (source As CurrencyManager, rowNum As Integer, bounds As Rectangle, readOnly As Boolean, displayText As String, cellIsVisible As Boolean)

Parameter

rowNum
Int32

Die Zeilennummer in dieser Spalte, die bearbeitet wird.

bounds
Rectangle

Das Rectangle Steuerelement, in dem das Steuerelement abgelegt werden soll.

readOnly
Boolean

Ein Wert, der angibt, ob die Spalte schreibgeschützt ist. truewenn der Wert schreibgeschützt ist; andernfalls . false

instantTextdisplayText
String

Der text, der im Steuerelement angezeigt werden soll.

cellIsVisible
Boolean

Ein Wert, der angibt, ob die Zelle sichtbar ist. truewenn die Zelle sichtbar ist; andernfalls . false

Hinweise

In der Regel wird mit der Edit Methode ein Steuerelement am Raster an der Position der bearbeiteten Zelle angezeigt.

Gilt für: