Graphics.FillEllipse 方法

定义

填充由一对坐标、宽度和高度指定的边界矩形定义的椭圆的内部。

重载

FillEllipse(Brush, Rectangle)

填充由 Rectangle 结构指定的边界矩形定义的椭圆的内部。

FillEllipse(Brush, RectangleF)

填充由 RectangleF 结构指定的边界矩形定义的椭圆的内部。

FillEllipse(Brush, Int32, Int32, Int32, Int32)

填充由一对坐标、宽度和高度指定的边界矩形定义的椭圆的内部。

FillEllipse(Brush, Single, Single, Single, Single)

填充由一对坐标、宽度和高度指定的边界矩形定义的椭圆的内部。

FillEllipse(Brush, Rectangle)

Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs

填充由 Rectangle 结构指定的边界矩形定义的椭圆的内部。

public:
 void FillEllipse(System::Drawing::Brush ^ brush, System::Drawing::Rectangle rect);
public void FillEllipse (System.Drawing.Brush brush, System.Drawing.Rectangle rect);
member this.FillEllipse : System.Drawing.Brush * System.Drawing.Rectangle -> unit
Public Sub FillEllipse (brush As Brush, rect As Rectangle)

参数

brush
Brush

确定填充特征的 Brush

rect
Rectangle

Rectangle 结构,表示定义椭圆的边界矩形。

例外

brush null

示例

下面的代码示例设计用于 Windows 窗体,它需要 PaintEventArgse,这是 Paint 事件处理程序的参数。 该代码执行以下操作:

  • 创建纯红色画笔。

  • 创建一个矩形,该矩形绑定椭圆。

  • 填充屏幕上的省略号。

public:
   void FillEllipseRectangle( PaintEventArgs^ e )
   {
      // Create solid brush.
      SolidBrush^ redBrush = gcnew SolidBrush( Color::Red );

      // Create rectangle for ellipse.
      int x = 0;
      int y = 0;
      int width = 200;
      int height = 100;
      Rectangle rect = Rectangle(x,y,width,height);

      // Fill ellipse on screen.
      e->Graphics->FillEllipse( redBrush, rect );
   }
public void FillEllipseRectangle(PaintEventArgs e)
{
             
    // Create solid brush.
    SolidBrush redBrush = new SolidBrush(Color.Red);
             
    // Create rectangle for ellipse.
    int x = 0;
    int y = 0;
    int width = 200;
    int height = 100;
    Rectangle rect = new Rectangle(x, y, width, height);
             
    // Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, rect);
}
Public Sub FillEllipseRectangle(ByVal e As PaintEventArgs)

    ' Create solid brush.
    Dim redBrush As New SolidBrush(Color.Red)

    ' Create rectangle for ellipse.
    Dim x As Integer = 0
    Dim y As Integer = 0
    Dim width As Integer = 200
    Dim height As Integer = 100
    Dim rect As New Rectangle(x, y, width, height)

    ' Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, rect)
End Sub

注解

此方法用 Brush填充椭圆的内部。 椭圆由 rect 参数表示的边界矩形定义。

适用于

FillEllipse(Brush, RectangleF)

Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs

填充由 RectangleF 结构指定的边界矩形定义的椭圆的内部。

public:
 void FillEllipse(System::Drawing::Brush ^ brush, System::Drawing::RectangleF rect);
public void FillEllipse (System.Drawing.Brush brush, System.Drawing.RectangleF rect);
member this.FillEllipse : System.Drawing.Brush * System.Drawing.RectangleF -> unit
Public Sub FillEllipse (brush As Brush, rect As RectangleF)

参数

brush
Brush

确定填充特征的 Brush

rect
RectangleF

RectangleF 结构,表示定义椭圆的边界矩形。

例外

brush null

示例

下面的代码示例设计用于 Windows 窗体,它需要 PaintEventArgse,这是 Paint 事件处理程序的参数。 该代码执行以下操作:

  • 创建纯红色画笔。

  • 创建一个矩形,该矩形绑定椭圆。

  • 填充屏幕上的省略号。

public:
   void FillEllipseRectangleF( PaintEventArgs^ e )
   {
      // Create solid brush.
      SolidBrush^ redBrush = gcnew SolidBrush( Color::Red );

      // Create rectangle for ellipse.
      float x = 0.0F;
      float y = 0.0F;
      float width = 200.0F;
      float height = 100.0F;
      RectangleF rect = RectangleF(x,y,width,height);

      // Fill ellipse on screen.
      e->Graphics->FillEllipse( redBrush, rect );
   }
public void FillEllipseRectangleF(PaintEventArgs e)
{
             
    // Create solid brush.
    SolidBrush redBrush = new SolidBrush(Color.Red);
             
    // Create rectangle for ellipse.
    float x = 0.0F;
    float y = 0.0F;
    float width = 200.0F;
    float height = 100.0F;
    RectangleF rect = new RectangleF(x, y, width, height);
             
    // Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, rect);
}
Public Sub FillEllipseRectangleF(ByVal e As PaintEventArgs)

    ' Create solid brush.
    Dim redBrush As New SolidBrush(Color.Red)

    ' Create rectangle for ellipse.
    Dim x As Single = 0.0F
    Dim y As Single = 0.0F
    Dim width As Single = 200.0F
    Dim height As Single = 100.0F
    Dim rect As New RectangleF(x, y, width, height)

    ' Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, rect)
End Sub

注解

此方法用 Brush填充椭圆的内部。 椭圆由 rect 参数表示的边界矩形定义。

适用于

FillEllipse(Brush, Int32, Int32, Int32, Int32)

Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs

填充由一对坐标、宽度和高度指定的边界矩形定义的椭圆的内部。

public:
 void FillEllipse(System::Drawing::Brush ^ brush, int x, int y, int width, int height);
public void FillEllipse (System.Drawing.Brush brush, int x, int y, int width, int height);
member this.FillEllipse : System.Drawing.Brush * int * int * int * int -> unit
Public Sub FillEllipse (brush As Brush, x As Integer, y As Integer, width As Integer, height As Integer)

参数

brush
Brush

确定填充特征的 Brush

x
Int32

定义椭圆的边框左上角的 x 坐标。

y
Int32

定义椭圆的边框左上角的 y 坐标。

width
Int32

定义椭圆的边界矩形的宽度。

height
Int32

定义椭圆的边界矩形的高度。

例外

brush null

示例

下面的代码示例设计用于 Windows 窗体,它需要 PaintEventArgse,这是 Paint 事件处理程序的参数。 该代码执行以下操作:

  • 创建纯红色画笔。

  • 创建一个矩形的位置和大小,该矩形绑定椭圆。

  • 填充屏幕上的省略号。

public:
   void FillEllipseInt( PaintEventArgs^ e )
   {
      // Create solid brush.
      SolidBrush^ redBrush = gcnew SolidBrush( Color::Red );

      // Create location and size of ellipse.
      int x = 0;
      int y = 0;
      int width = 200;
      int height = 100;

      // Fill ellipse on screen.
      e->Graphics->FillEllipse( redBrush, x, y, width, height );
   }
public void FillEllipseInt(PaintEventArgs e)
{
             
    // Create solid brush.
    SolidBrush redBrush = new SolidBrush(Color.Red);
             
    // Create location and size of ellipse.
    int x = 0;
    int y = 0;
    int width = 200;
    int height = 100;
             
    // Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, x, y, width, height);
}
Public Sub FillEllipseInt(ByVal e As PaintEventArgs)

    ' Create solid brush.
    Dim redBrush As New SolidBrush(Color.Red)

    ' Create location and size of ellipse.
    Dim x As Integer = 0
    Dim y As Integer = 0
    Dim width As Integer = 200
    Dim height As Integer = 100

    ' Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, x, y, width, height)
End Sub

注解

此方法用 Brush填充椭圆的内部。 椭圆由 xywidthheight 参数表示的边界矩形定义。

适用于

FillEllipse(Brush, Single, Single, Single, Single)

Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs
Source:
Graphics.cs

填充由一对坐标、宽度和高度指定的边界矩形定义的椭圆的内部。

public:
 void FillEllipse(System::Drawing::Brush ^ brush, float x, float y, float width, float height);
public void FillEllipse (System.Drawing.Brush brush, float x, float y, float width, float height);
member this.FillEllipse : System.Drawing.Brush * single * single * single * single -> unit
Public Sub FillEllipse (brush As Brush, x As Single, y As Single, width As Single, height As Single)

参数

brush
Brush

确定填充特征的 Brush

x
Single

定义椭圆的边框左上角的 x 坐标。

y
Single

定义椭圆的边框左上角的 y 坐标。

width
Single

定义椭圆的边界矩形的宽度。

height
Single

定义椭圆的边界矩形的高度。

例外

brush null

示例

下面的代码示例设计用于 Windows 窗体,它需要 PaintEventArgse,这是 Paint 事件处理程序的参数。 该代码执行以下操作:

  • 创建纯红色画笔。

  • 创建一个矩形的位置和大小,该矩形绑定椭圆。

  • 填充屏幕上的省略号。

public:
   void FillEllipseFloat( PaintEventArgs^ e )
   {
      // Create solid brush.
      SolidBrush^ redBrush = gcnew SolidBrush( Color::Red );

      // Create location and size of ellipse.
      float x = 0.0F;
      float y = 0.0F;
      float width = 200.0F;
      float height = 100.0F;

      // Fill ellipse on screen.
      e->Graphics->FillEllipse( redBrush, x, y, width, height );
   }
public void FillEllipseFloat(PaintEventArgs e)
{
             
    // Create solid brush.
    SolidBrush redBrush = new SolidBrush(Color.Red);
             
    // Create location and size of ellipse.
    float x = 0.0F;
    float y = 0.0F;
    float width = 200.0F;
    float height = 100.0F;
             
    // Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, x, y, width, height);
}
Public Sub FillEllipseFloat(ByVal e As PaintEventArgs)

    ' Create solid brush.
    Dim redBrush As New SolidBrush(Color.Red)

    ' Create location and size of ellipse.
    Dim x As Single = 0.0F
    Dim y As Single = 0.0F
    Dim width As Single = 200.0F
    Dim height As Single = 100.0F

    ' Fill ellipse on screen.
    e.Graphics.FillEllipse(redBrush, x, y, width, height)
End Sub

注解

此方法用 Brush填充椭圆的内部。 椭圆由 xywidthheight 参数表示的边界矩形定义。

适用于