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DataGridTextBoxColumn.Paint Yöntem

Tanım

Denetimdeki sütunu boyar DataGrid .

Aşırı Yüklemeler

Paint(Graphics, Rectangle, CurrencyManager, Int32)

belirtilen Graphics, , CurrencyManagerRectangleve satır numarasıyla a'yı DataGridColumnStyle boyar.

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

Belirtilen Graphics, , Rectangle, CurrencyManagersatır numarası ve hizalama ile bir DataGridColumnStyle boyar.

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

Belirtilen Graphics, , , CurrencyManagerRectanglesatır numarası Brushve ön plan rengiyle bir DataGridColumnStyle boyar.

Paint(Graphics, Rectangle, CurrencyManager, Int32)

belirtilen Graphics, , CurrencyManagerRectangleve satır numarasıyla a'yı DataGridColumnStyle boyar.

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)

Parametreler

g
Graphics

Çizecek Graphics nesne.

bounds
Rectangle

Boyanacak Rectangle sınırlayıcı.

source
CurrencyManager

CurrencyManager sütununu DataGrid içeren öğesinin.

rowNum
Int32

Temel alınan veri tablosundaki satırın sayısı.

Ayrıca bkz.

Şunlara uygulanır

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

Belirtilen Graphics, , Rectangle, CurrencyManagersatır numarası ve hizalama ile bir DataGridColumnStyle boyar.

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)

Parametreler

g
Graphics

Çizecek Graphics nesne.

bounds
Rectangle

Boyanacak Rectangle sınırlayıcı.

source
CurrencyManager

CurrencyManager sütununu DataGrid içeren öğesinin.

rowNum
Int32

Temel alınan veri tablosundaki satırın sayısı.

alignToRight
Boolean

Sütunun içeriğinin sağa hizalanıp hizalanmayacağını belirten değer. true içeriğin sağa hizalanması gerekiyorsa; aksi takdirde , false.

Açıklamalar

yöntemi, Paint hücrede çizecek değeri belirlemek için öğesini kullanır GetColumnValueAtRow . PaintText hücreyi ve içeriğini çizmek için yöntemi çağrılır.

Ayrıca bkz.

Şunlara uygulanır

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

Belirtilen Graphics, , , CurrencyManagerRectanglesatır numarası Brushve ön plan rengiyle bir DataGridColumnStyle boyar.

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)

Parametreler

g
Graphics

Çizecek Graphics nesne.

bounds
Rectangle

Boyanacak Rectangle sınırlayıcı.

source
CurrencyManager

CurrencyManager sütununu DataGrid içeren öğesinin.

rowNum
Int32

Temel alınan veri tablosundaki satırın sayısı.

backBrush
Brush

Brush Arka planı boyar.

foreBrush
Brush

Brush Ön plan rengini boyar.

alignToRight
Boolean

Sütunun içeriğinin sağa hizalanıp hizalanmayacağını belirten değer. true içeriğin sağa hizalanması gerekiyorsa; aksi takdirde , false.

Örnekler

Aşağıdaki örnek, tıklanan bir hücreyi Paint yeni ön plan ve arka plan rengiyle boyamak için yöntemini kullanır.

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

Açıklamalar

yöntemi, Paint hücrede çizecek değeri belirlemek için öğesini kullanır GetColumnValueAtRow . PaintText hücreyi ve içeriğini çizmek için yöntemi çağrılır.

Ayrıca bkz.

Şunlara uygulanır