DataGridTextBoxColumn.Paint Yöntem
Tanım
Önemli
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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
- source
- CurrencyManager
CurrencyManager sütununu DataGrid içeren öğesinin.
- rowNum
- Int32
Temel alınan veri tablosundaki satırın sayısı.
Ayrıca bkz.
- Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)
- PaintText(Graphics, Rectangle, String, Boolean)
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
- 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.
- Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)
- PaintText(Graphics, Rectangle, String, Boolean)
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
- 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
.
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.
- Edit(CurrencyManager, Int32, Rectangle, Boolean, String, Boolean)
- PaintText(Graphics, Rectangle, String, Boolean)