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Matrix.RotateAt Method

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

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.