Graphics.DrawLine(const Pen*, REAL, REAL, REAL, REAL) method

Applies to: desktop apps only

The Graphics::DrawLine method draws a line that connects two points.

Syntax

Status DrawLine(
  [in]  const Pen *pen,
  [in]  REAL x1,
  [in]  REAL y1,
  [in]  REAL x2,
  [in]  REAL y2
);

Parameters

• pen [in]
  Type: const Pen*

  Pointer to a pen that is used to draw the line.

• x1 [in]
  Type: REAL

  Real number that specifies the x-coordinate of the starting point of the line.

• y1 [in]
  Type: REAL

  Real number that specifies the y-coordinate of the starting point of the line.

• x2 [in]
  Type: REAL

  Real number that specifies the x-coordinate of the ending point of the line.

• y2 [in]
  Type: REAL

  Real number that specifies the y-coordinate of the ending point of the line.

Return value

Type:

Type: Status****

If the method succeeds, it returns Ok, which is an element of the Status enumeration.

If the method fails, it returns one of the other elements of the Status enumeration.

Examples

The following example draws a line.

VOID Example_DrawLine4(HDC hdc)
{
   Graphics graphics(hdc);

   // Create a Pen object.
   Pen blackPen(Color(255, 0, 0, 0), 3);

   // Initialize the coordinates of the points that define the line.
   REAL x1 = 100.0f;
   REAL y1 = 100.0f;
   REAL x2 = 500.0f;
   REAL y2 = 100.0f;

   // Draw the line.
   graphics.DrawLine(&blackPen, x1, y1, x2, y2);
}

Requirements

See also

Graphics

DrawLines Methods

PointF

Using a Pen to Draw Lines and Rectangles

Pens, Lines, and Rectangles

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Build date: 3/6/2012