DataGrid.GetCellBounds Metodo

Definizione

Spazio dei nomi:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Ottiene l'oggetto Rectangle che specifica i quattro angoli di una cella.

Overload

GetCellBounds(Int32, Int32)	Ottiene l'oggetto Rectangle della cella specificata dal numero di riga e di colonna.
GetCellBounds(DataGridCell)	Ottiene l'oggetto Rectangle della cella specificata dall'oggetto DataGridCell.

GetCellBounds(Int32, Int32)

Ottiene l'oggetto Rectangle della cella specificata dal numero di riga e di colonna.

public:
 System::Drawing::Rectangle GetCellBounds(int row, int col);

public System.Drawing.Rectangle GetCellBounds (int row, int col);

member this.GetCellBounds : int * int -> System.Drawing.Rectangle

Public Function GetCellBounds (row As Integer, col As Integer) As Rectangle

Parametri

row

Int32

Numero della riga della cella.

col

Int32

Numero della colonna della cella.

Restituisce

Rectangle

Oggetto Rectangle che definisce gli angoli della cella corrente.

Esempio

Nell'esempio di codice seguente viene utilizzato il GetCellBounds metodo per restituire un Rectangle oggetto di una cella specificata.

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 = 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 = dataGrid1->TableStyles[ 0 ];
         CurrencyManager^ myCurrencyManager = dynamic_cast<CurrencyManager^>(BindingContext[ myDataSet->Tables[ dataGrid1->DataMember ] ]);
         
         // Get the Rectangle of the clicked cell.
         Rectangle cellRect;
         cellRect = grid->GetCellBounds( hi->Row, hi->Column );
         
         // Get the clicked DataGridTextBoxColumn.
         DataGridTextBoxColumn^ gridCol = dynamic_cast<DataGridTextBoxColumn^>(dgt->GridColumnStyles[ hi->Column ]);
         
         // Insert code to edit the value.
      }
   }

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 = dataGrid1.TableStyles[0];     
      CurrencyManager myCurrencyManager = 
      (CurrencyManager)this.BindingContext
      [myDataSet.Tables[dataGrid1.DataMember]];
      // Get the Rectangle of the clicked cell.
      Rectangle cellRect;
      cellRect=grid.GetCellBounds(hi.Row, hi.Column);
      // Get the clicked DataGridTextBoxColumn.
      DataGridTextBoxColumn gridCol =
      (DataGridTextBoxColumn) dgt.GridColumnStyles[hi.Column];
      // Insert code to edit the value.
   }
}

    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 = dataGrid1.TableStyles(0)
            Dim myCurrencyManager As CurrencyManager = _
            CType(Me.BindingContext _
            (myDataSet.Tables(dataGrid1.DataMember)), 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 DataGridTextBoxColumn = _
            CType(dgt.GridColumnStyles(hi.Column), DataGridTextBoxColumn)
            ' Insert code to dit the value.
        End If
    End Sub

Commenti

Per recuperare i limiti di cella per la cella attualmente selezionata, usare GetCurrentCellBounds.

Vedi anche

• GetCurrentCellBounds()
• CurrentCell

GetCellBounds(DataGridCell)

Ottiene l'oggetto Rectangle della cella specificata dall'oggetto DataGridCell.

public:
 System::Drawing::Rectangle GetCellBounds(System::Windows::Forms::DataGridCell dgc);

public System.Drawing.Rectangle GetCellBounds (System.Windows.Forms.DataGridCell dgc);

member this.GetCellBounds : System.Windows.Forms.DataGridCell -> System.Drawing.Rectangle

Public Function GetCellBounds (dgc As DataGridCell) As Rectangle

Parametri

dgc

DataGridCell

Oggetto DataGridCell da cercare.

Restituisce

Rectangle

Oggetto Rectangle che definisce gli angoli della cella corrente.

Esempio

Nell'esempio di codice seguente viene utilizzato il GetCellBounds metodo per restituire un Rectangle oggetto di una cella specificata.

protected:
   DataGridCell dgc;

   void GetRect()
   {
      Rectangle rect;
      dgc.ColumnNumber = 0;
      dgc.RowNumber = 0;
      rect = dataGrid1->GetCellBounds( dgc );
      Console::WriteLine( rect );
   }

protected DataGridCell dgc;

protected void GetRect(){
    Rectangle rect;
    dgc.ColumnNumber = 0;
    dgc.RowNumber = 0;
    rect = dataGrid1.GetCellBounds(dgc);
    Console.WriteLine(rect.ToString());
 }

Private Sub GetRect()
    Dim rect As Rectangle
    Dim dgc As DataGridCell
    dgc.ColumnNumber = 0
    dgc.RowNumber = 0
    rect = DataGrid1.GetCellBounds(dgc)
    Console.WriteLine(rect.ToString())
 End Sub

Vedi anche

• GetCurrentCellBounds()