Graphics::DrawLine(constPen*,REAL,REAL,REAL,REAL) method (gdiplusgraphics.h)

Article
02/22/2024

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

Syntax

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

Parameters

pen

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

x1

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

y1

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

x2

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

y2

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

Return value

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.

Remarks

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

Requirement	Value
Header	gdiplusgraphics.h