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Graphics.DrawRectangles Method (Pen, RectangleF())

Draws a series of rectangles specified by RectangleF structures.

Namespace:  System.Drawing
Assembly:  System.Drawing (in System.Drawing.dll)

'Declaration
Public Sub DrawRectangles ( _
	pen As Pen, _
	rects As RectangleF() _
)

Parameters

pen
Type: System.Drawing.Pen

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

rects
Type: System.Drawing.RectangleF()

Array of RectangleF structures that represent the rectangles to draw.

ExceptionCondition
ArgumentNullException

pen is Nothing.

-or-

rects is Nothing.

ArgumentException

rects is a zero-length array.

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 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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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