Graphics.DrawRectangles Method

Definition

Namespace:

System.Drawing

Assembly:

System.Drawing.Common.dll

Draws a series of rectangles specified by Rectangle structures.

Overloads

DrawRectangles(Pen, Rectangle[])	Draws a series of rectangles specified by Rectangle structures.
DrawRectangles(Pen, RectangleF[])	Draws a series of rectangles specified by RectangleF structures.

DrawRectangles(Pen, Rectangle[])

Draws a series of rectangles specified by Rectangle structures.

public:
 void DrawRectangles(System::Drawing::Pen ^ pen, cli::array <System::Drawing::Rectangle> ^ rects);

public void DrawRectangles (System.Drawing.Pen pen, System.Drawing.Rectangle[] rects);

member this.DrawRectangles : System.Drawing.Pen * System.Drawing.Rectangle[] -> unit

Public Sub DrawRectangles (pen As Pen, rects As Rectangle())

Parameters

pen

Pen

Pen that determines the color, width, and style of the outlines of the rectangles.

rects

Rectangle[]

Array of Rectangle structures that represent the rectangles to draw.

Exceptions

ArgumentNullException

pen is null.

-or-

rects is null.

ArgumentException

rects is a zero-length array.

Examples

The following code example is designed for use with Windows Forms, and it requires PaintEventArgs e, which is a parameter of the Paint event handler. The code performs the following actions:

• Creates a black pen.

• Creates an array of three rectangles.

• Draws the rectangles to the screen.

public:
   void DrawRectanglesRectangle( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create array of rectangles.
      array<Rectangle>^ rects = {Rectangle(0,0,100,200),Rectangle(100,200,250,50),Rectangle(300,0,50,100)};

      // Draw rectangles to screen.
      e->Graphics->DrawRectangles( blackPen, rects );
   }

public void DrawRectanglesRectangle(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create array of rectangles.
    Rectangle[] rects =
             {
                 new Rectangle( 0,   0, 100, 200),
                 new Rectangle(100, 200, 250,  50),
                 new Rectangle(300,   0,  50, 100)
             };
             
    // Draw rectangles to screen.
    e.Graphics.DrawRectangles(blackPen, rects);
}

Public Sub DrawRectanglesRectangle(ByVal e As PaintEventArgs)

    ' Create pen.
    Dim blackPen As New Pen(Color.Black, 3)

    ' Create array of rectangles.
    Dim rects As Rectangle() = {New Rectangle(0, 0, 100, 200), _
    New Rectangle(100, 200, 250, 50), _
    New Rectangle(300, 0, 50, 100)}

    ' Draw rectangles to screen.
    e.Graphics.DrawRectangles(blackPen, rects)
End Sub

DrawRectangles(Pen, RectangleF[])

Draws a series of rectangles specified by RectangleF structures.

public:
 void DrawRectangles(System::Drawing::Pen ^ pen, cli::array <System::Drawing::RectangleF> ^ rects);

public void DrawRectangles (System.Drawing.Pen pen, System.Drawing.RectangleF[] rects);

member this.DrawRectangles : System.Drawing.Pen * System.Drawing.RectangleF[] -> unit

Public Sub DrawRectangles (pen As Pen, rects As RectangleF())

Parameters

pen

Pen

Pen that determines the color, width, and style of the outlines of the rectangles.

rects

RectangleF[]

Array of RectangleF structures that represent the rectangles to draw.

Exceptions

ArgumentNullException

pen is null.

-or-

rects is null.

ArgumentException

rects is a zero-length array.

Examples

The following code example is designed for use with Windows Forms, and it requires PaintEventArgs e, which is a parameter of the Paint event handler. The code performs the following actions:

• Creates a black pen.

• Creates an array of three rectangles.

• Draws the rectangles to the screen.

public:
   void DrawRectanglesRectangleF( PaintEventArgs^ e )
   {
      // Create pen.
      Pen^ blackPen = gcnew Pen( Color::Black,3.0f );

      // Create array of rectangles.
      array<RectangleF>^ rects = {RectangleF(0.0F,0.0F,100.0F,200.0F),RectangleF(100.0F,200.0F,250.0F,50.0F),RectangleF(300.0F,0.0F,50.0F,100.0F)};

      // Draw rectangles to screen.
      e->Graphics->DrawRectangles( blackPen, rects );
   }

public void DrawRectanglesRectangleF(PaintEventArgs e)
{
             
    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);
             
    // Create array of rectangles.
    RectangleF[] rects =
             {
                 new RectangleF( 0.0F,   0.0F, 100.0F, 200.0F),
                 new RectangleF(100.0F, 200.0F, 250.0F,  50.0F),
                 new RectangleF(300.0F,   0.0F,  50.0F, 100.0F)
             };
             
    // Draw rectangles to screen.
    e.Graphics.DrawRectangles(blackPen, rects);
}

Public Sub DrawRectanglesRectangleF(ByVal e As PaintEventArgs)

    ' Create pen.
    Dim blackPen As New Pen(Color.Black, 3)

    ' Create array of rectangles.
    Dim rects As RectangleF() = {New RectangleF(0.0F, 0.0F, 100.0F, 200.0F), _
    New RectangleF(100.0F, 200.0F, 250.0F, 50.0F), _
    New RectangleF(300.0F, 0.0F, 50.0F, 100.0F)}

    ' Draw rectangles to screen.
    e.Graphics.DrawRectangles(blackPen, rects)
End Sub