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Matrix.M21 Property

  • Reference

Definition

Namespace:
System.Windows.Media
Assembly:
WindowsBase.dll

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

public:
 property double M21 { double get(); void set(double value); };
public double M21 { get; set; }
member this.M21 : double with get, set
Public Property M21 As Double

Property Value

Double

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

Examples

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;
}

Remarks

The following table shows the layout of a Matrix.
M11 M12 0
M21 M22 0
OffsetX OffsetY 1

Applies to