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Matrix.RotateAt Method

Rotates this matrix about the specified point.

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

member RotateAt : 
        angle:float * 
        centerX:float * 
        centerY:float -> unit

Parameters

angle
Type: System.Double

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

centerX
Type: System.Double

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

centerY
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: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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