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Matrix.M21 Property

 

Gets or sets the value of the second row and first column of this Matrix structure.

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

public double M21 { get; set; }

Property Value

Type: System.Double

The value of the second row and first column of this Matrix. The default value is 0.

The following table shows the layout of a Matrix.

M11

M12

0

M21

M22

0

OffsetX

OffsetY

1

The following example shows how to multiply two Matrix structures and how to assign values to a Matrix when it is declared, and after the structure is declared.

private void multiplicationExample()
{

    Matrix matrix1 = new Matrix(5, 10, 15, 20, 25, 30);
    Matrix matrix2 = new Matrix(2, 4, 6, 8, 10, 12);

    // matrixResult is equal to (70,100,150,220,240,352) 
    Matrix matrixResult = Matrix.Multiply(matrix1, matrix2);

    // matrixResult2 is also
    // equal to (70,100,150,220,240,352) 
    Matrix matrixResult2 = matrix1 * matrix2;


}

.NET Framework
Available since 3.0
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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