Matrix::IsIdentity method (gdiplusmatrix.h)

The Matrix::IsIdentity method determines whether this matrix is the identity matrix.

Syntax

BOOL IsIdentity();

Return value

Type: BOOL

If this matrix is the identity matrix, this method returns TRUE; otherwise, it returns FALSE.

Requirements

   
Minimum supported client Windows XP, Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header gdiplusmatrix.h (include Gdiplus.h)
Library Gdiplus.lib
DLL Gdiplus.dll

See also

Global and Local Transformations

Matrix

Matrix Representation of Transformations

Transformations