DataGridTextBoxColumn.Paint Metoda

Odwołanie

Definicja

Przestrzeń nazw:: System.Windows.Forms

Zestaw:: System.Windows.Forms.dll

Ważne

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Maluje kolumnę w kontrolce DataGrid .

Przeciążenia

Paint(Graphics, Rectangle, CurrencyManager, Int32)	Maluje element DataGridColumnStyle o określonym Graphicsnumerze , Rectangle, CurrencyManageri wierszu.
Paint(Graphics, Rectangle, CurrencyManager, Int32, Boolean)	Maluje element DataGridColumnStyle z określoną Graphicswartością , , Rectangle CurrencyManager, numerem wiersza i wyrównaniem.
Paint(Graphics, Rectangle, CurrencyManager, Int32, Brush, Brush, Boolean)	Maluje element DataGridColumnStyle o określonym Graphicskolorze , , Rectangle CurrencyManagerwiersza, Brushi pierwszego planu.

Paint(Graphics, Rectangle, CurrencyManager, Int32)

Maluje element DataGridColumnStyle o określonym Graphicsnumerze , Rectangle, CurrencyManageri wierszu.

protected public:
 override void Paint(System::Drawing::Graphics ^ g, System::Drawing::Rectangle bounds, System::Windows::Forms::CurrencyManager ^ source, int rowNum);

protected internal override void Paint (System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.CurrencyManager source, int rowNum);

override this.Paint : System.Drawing.Graphics * System.Drawing.Rectangle * System.Windows.Forms.CurrencyManager * int -> unit

Protected Friend Overrides Sub Paint (g As Graphics, bounds As Rectangle, source As CurrencyManager, rowNum As Integer)

Parametry

g: Graphics

Graphics Obiekt do rysowania.

bounds: Rectangle

Wiązanie do malowania Rectangle w.

source: CurrencyManager

DataGrid Element CurrencyManager z kolumny zawierającej kolumnę.

rowNum: Int32

Liczba wierszy w tabeli danych bazowych.

Zobacz też

Dotyczy

Paint(Graphics, Rectangle, CurrencyManager, Int32, Boolean)

Maluje element DataGridColumnStyle z określoną Graphicswartością , , Rectangle CurrencyManager, numerem wiersza i wyrównaniem.

protected public:
 override void Paint(System::Drawing::Graphics ^ g, System::Drawing::Rectangle bounds, System::Windows::Forms::CurrencyManager ^ source, int rowNum, bool alignToRight);

protected internal override void Paint (System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.CurrencyManager source, int rowNum, bool alignToRight);

override this.Paint : System.Drawing.Graphics * System.Drawing.Rectangle * System.Windows.Forms.CurrencyManager * int * bool -> unit

Protected Friend Overrides Sub Paint (g As Graphics, bounds As Rectangle, source As CurrencyManager, rowNum As Integer, alignToRight As Boolean)

Parametry

g: Graphics

Graphics Obiekt do rysowania.

bounds: Rectangle

Wiązanie do malowania Rectangle w.

source: CurrencyManager

DataGrid Element CurrencyManager z kolumny zawierającej kolumnę.

rowNum: Int32

Liczba wierszy w tabeli danych bazowych.

alignToRight: Boolean

Wartość wskazująca, czy zawartość kolumny ma być wyrównana do prawej strony. true jeśli zawartość powinna być wyrównana do prawej strony; w przeciwnym razie , false.

Uwagi

Metoda Paint używa wartości , GetColumnValueAtRow aby określić wartość do rysowania w komórce. Metoda jest wywoływana PaintText w celu narysowania komórki i jej zawartości.

Zobacz też

Dotyczy

Paint(Graphics, Rectangle, CurrencyManager, Int32, Brush, Brush, Boolean)

Maluje element DataGridColumnStyle o określonym Graphicskolorze , , Rectangle CurrencyManagerwiersza, Brushi pierwszego planu.

protected public:
 override void Paint(System::Drawing::Graphics ^ g, System::Drawing::Rectangle bounds, System::Windows::Forms::CurrencyManager ^ source, int rowNum, System::Drawing::Brush ^ backBrush, System::Drawing::Brush ^ foreBrush, bool alignToRight);

protected internal override void Paint (System.Drawing.Graphics g, System.Drawing.Rectangle bounds, System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Brush backBrush, System.Drawing.Brush foreBrush, bool alignToRight);

override this.Paint : System.Drawing.Graphics * System.Drawing.Rectangle * System.Windows.Forms.CurrencyManager * int * System.Drawing.Brush * System.Drawing.Brush * bool -> unit

Protected Friend Overrides Sub Paint (g As Graphics, bounds As Rectangle, source As CurrencyManager, rowNum As Integer, backBrush As Brush, foreBrush As Brush, alignToRight As Boolean)

Parametry

g: Graphics

Graphics Obiekt do rysowania.

bounds: Rectangle

Wiązanie do malowania Rectangle w.

source: CurrencyManager

DataGrid Element CurrencyManager z kolumny zawierającej kolumnę.

rowNum: Int32

Liczba wierszy w tabeli danych bazowych.

backBrush: Brush

Element Brush , który maluje tło.

foreBrush: Brush

Kolor Brush pierwszego planu, który maluje kolor pierwszego planu.

alignToRight: Boolean

Wartość wskazująca, czy zawartość kolumny ma być wyrównana do prawej strony. true jeśli zawartość powinna być wyrównana do prawej strony; w przeciwnym razie , false.

Przykłady

W poniższym przykładzie użyto Paint metody do malowania klikniętej komórki z nowym kolorem pierwszego planu i tła.

public ref class MyGridColumn: public DataGridTextBoxColumn
{
public:
   void PaintCol( Graphics^ g, Rectangle cellRect, CurrencyManager^ cm, int rowNum, Brush^ bBrush, Brush^ fBrush, bool isVisible )
   {
      this->Paint( g, cellRect, cm, rowNum, bBrush, fBrush, isVisible );
   }

};

public ref class Form1: public Form
{
protected:
   DataGrid^ dataGrid1;
   DataSet^ myDataSet;

private:
   void PaintCell( Object^ sender, MouseEventArgs^ e )
   {
      
      // Use the HitTest method to get a HitTestInfo object.
      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 ListManager of the
         // clicked table.         
         DataGridTableStyle^ dgt = dataGrid1->TableStyles[ 0 ];
         CurrencyManager^ cm = 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.
         MyGridColumn^ gridCol = dynamic_cast<MyGridColumn^>(dgt->GridColumnStyles[ hi->Column ]);
         
         // Get the Graphics object for the form.
         Graphics^ g = dataGrid1->CreateGraphics();
         
         // Create two new Brush objects, a fore brush, and back brush.
         Brush^ fBrush = gcnew System::Drawing::SolidBrush( Color::Blue );
         Brush^ bBrush = gcnew System::Drawing::SolidBrush( Color::Yellow );
         
         // Invoke the Paint method to paint the cell with the brushes.
         gridCol->PaintCol( g, cellRect, cm, hi->Row, bBrush, fBrush, false );
      }
   }

};

public class Form1: Form
{
 protected DataGrid dataGrid1;
 protected DataSet myDataSet;

private void PaintCell(object sender, MouseEventArgs e)
{
    // Use the HitTest method to get a HitTestInfo object.
    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 ListManager of the
       // clicked table.         
       DataGridTableStyle dgt = dataGrid1.TableStyles[0];
       CurrencyManager cm = (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.
       MyGridColumn  gridCol =(MyGridColumn)dgt.GridColumnStyles[hi.Column];
       // Get the Graphics object for the form.
       Graphics g = dataGrid1.CreateGraphics();
       // Create two new Brush objects, a fore brush, and back brush.
       Brush fBrush = new System.Drawing.SolidBrush(Color.Blue);
       Brush bBrush= new System.Drawing.SolidBrush(Color.Yellow);
       // Invoke the Paint method to paint the cell with the brushes.
       gridCol.PaintCol(g, cellRect, cm, hi.Row, bBrush, fBrush, false);
     }
 }
}

public class MyGridColumn:DataGridTextBoxColumn{
   public void PaintCol(Graphics g, Rectangle cellRect, 
    CurrencyManager cm, int rowNum, Brush bBrush, 
    Brush fBrush, bool isVisible){
      this.Paint(g, cellRect, cm, rowNum, bBrush, fBrush, isVisible);
   }
}

Public Class Form1
   Inherits Form
   Protected dataGrid1 As DataGrid
   Protected myDataSet As DataSet
    
   Private Sub PaintCell(sender As Object, e As MouseEventArgs)
      ' Use the HitTest method to get a HitTestInfo object.
      Dim hi As 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 ListManager of the
         ' clicked table.         
         Dim dgt As DataGridTableStyle = dataGrid1.TableStyles(0)
         Dim cm 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 MyGridColumn = CType _
         (dgt.GridColumnStyles(hi.Column), MyGridColumn)
         ' Get the Graphics object for the form.
         Dim g As Graphics = dataGrid1.CreateGraphics()
         ' Create two new Brush objects: a fore brush and back brush.
         Dim fBrush As New SolidBrush(Color.Blue)
         Dim bBrush As New SolidBrush(Color.Yellow)
         ' Invoke the Paint method to paint the cell with the brushes.
         gridCol.PaintCol(g, cellRect, cm, hi.Row, bBrush, fBrush, False)
      End If
   End Sub
End Class

Public Class MyGridColumn
Inherits DataGridTextBoxColumn
   Public Sub PaintCol(g As Graphics , cellRect As Rectangle , _
      cm As CurrencyManager , rowNum As integer , bBrush as Brush , _
      fBrush As Brush , isVisible As Boolean )
      me.Paint(g, cellRect, cm, rowNum, bBrush, fBrush, isVisible)
   End Sub
End Class

Uwagi

Metoda Paint używa wartości , GetColumnValueAtRow aby określić wartość do rysowania w komórce. Metoda jest wywoływana PaintText w celu narysowania komórki i jej zawartości.

Zobacz też

Dotyczy

Udostępnij za pośrednictwem

DataGridTextBoxColumn.Paint Metoda

Definicja

Przeciążenia

Paint(Graphics, Rectangle, CurrencyManager, Int32)

Parametry

Zobacz też

Dotyczy

Paint(Graphics, Rectangle, CurrencyManager, Int32, Boolean)

Parametry

Uwagi

Zobacz też

Dotyczy

Paint(Graphics, Rectangle, CurrencyManager, Int32, Brush, Brush, Boolean)

Parametry

Przykłady

Uwagi

Zobacz też

Dotyczy

Dodatkowe zasoby