Windows apps
Collapse the table of content
Expand the table of content
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

Matrix.RotateAt Method (Double, Double, Double)


Rotates this matrix about the specified point.

Namespace:   System.Windows.Media
Assembly:  WindowsBase (in WindowsBase.dll)

public void RotateAt(
	double angle,
	double centerX,
	double centerY


Type: System.Double

The angle, in degrees, by which to rotate this matrix.

Type: System.Double

The x-coordinate of the point about which to rotate this matrix.

Type: System.Double

The y-coordinate of the point about which to rotate this matrix.

The following example shows how to rotate a Matrix about a specified point.

private Matrix rotateAboutPointExample()

    // Creating a Matrix structure.
    Matrix myMatrix = new Matrix(5, 10, 15, 20, 25, 30);

    // Rotate the matrix 90 degrees about the point (100,100).
    // myMatrix becomes equal to (-10, 4, -20, 15, 170, 25).
    myMatrix.RotateAt(90, 100, 100);

    return myMatrix; 


.NET Framework
Available since 3.0
Return to top
© 2017 Microsoft