DataGridTextBoxColumn.Paint Método

Referência

Definição

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Importante

Algumas informações se referem a produtos de pré-lançamento que podem ser substancialmente modificados antes do lançamento. A Microsoft não oferece garantias, expressas ou implícitas, das informações aqui fornecidas.

Pinta a coluna no controle DataGrid.

Sobrecargas

Paint(Graphics, Rectangle, CurrencyManager, Int32)	Pinta o DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager e o número de linha especificados.
Paint(Graphics, Rectangle, CurrencyManager, Int32, Boolean)	Pinta um DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager, número de linha e alinhamento especificados.
Paint(Graphics, Rectangle, CurrencyManager, Int32, Brush, Brush, Boolean)	Pinta um DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager, número de linha, Brush e cor de primeiro plano especificados.

Paint(Graphics, Rectangle, CurrencyManager, Int32)

Pinta o DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager e o número de linha especificados.

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)

Parâmetros

g: Graphics

O objeto Graphics no qual desenhar.

bounds: Rectangle

O Rectangle delimitador no qual pintar.

source: CurrencyManager

O CurrencyManager do DataGrid que contém a coluna.

rowNum: Int32

O número da linha na tabela de dados subjacente.

Confira também

Aplica-se a

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

Pinta um DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager, número de linha e alinhamento especificados.

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)

Parâmetros

g: Graphics

O objeto Graphics no qual desenhar.

bounds: Rectangle

O Rectangle delimitador no qual pintar.

source: CurrencyManager

O CurrencyManager do DataGrid que contém a coluna.

rowNum: Int32

O número da linha na tabela de dados subjacente.

alignToRight: Boolean

Um valor que indica se o conteúdo da coluna deve ser alinhado à direita. true se o conteúdo precisar ser alinhado à direita; caso contrário, false.

Comentários

O Paint método usa o GetColumnValueAtRow para determinar o valor a ser desenhado na célula. O PaintText método é chamado para desenhar a célula e seu conteúdo.

Confira também

Aplica-se a

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

Pinta um DataGridColumnStyle com o Graphics, Rectangle, CurrencyManager, número de linha, Brush e cor de primeiro plano especificados.

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)

Parâmetros

g: Graphics

O objeto Graphics no qual desenhar.

bounds: Rectangle

O Rectangle delimitador no qual pintar.

source: CurrencyManager

O CurrencyManager do DataGrid que contém a coluna.

rowNum: Int32

O número da linha na tabela de dados subjacente.

backBrush: Brush

Um Brush que pinta a tela de fundo.

foreBrush: Brush

Um Brush que pinta a cor de primeiro plano.

alignToRight: Boolean

Um valor que indica se o conteúdo da coluna deve ser alinhado à direita. true se o conteúdo precisar ser alinhado à direita; caso contrário, false.

Exemplos

O exemplo a seguir usa o Paint método para pintar uma célula clicada com nova cor de primeiro plano e plano de fundo.

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

Comentários

O Paint método usa o GetColumnValueAtRow para determinar o valor a ser desenhado na célula. O PaintText método é chamado para desenhar a célula e seu conteúdo.

Confira também

Aplica-se a

DataGridTextBoxColumn.Paint Método

Definição

Sobrecargas

Paint(Graphics, Rectangle, CurrencyManager, Int32)

Parâmetros

Confira também

Aplica-se a

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

Parâmetros

Comentários

Confira também

Aplica-se a

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

Parâmetros

Exemplos

Comentários

Confira também

Aplica-se a

Recursos adicionais