// Fills triangle with gradient brush

void GradientTriangle( HDC MemDC,
    LONG x1, LONG y1, LONG x2, LONG y2, LONG x3, LONG y3,
    COLORREF top, COLORREF bottom )
{
    TRIVERTEX vertex[3];

    vertex[0].x     = x1;
    vertex[0].y     = y1;
    vertex[0].Red   = GetRValue(bottom) << 8;
    vertex[0].Green = GetGValue(bottom) << 8;
    vertex[0].Blue  = GetBValue(bottom) << 8;
    vertex[0].Alpha = 0x0000;

    vertex[1].x     = x2;
    vertex[1].y     = y2;
    vertex[1].Red   = GetRValue(top) << 8;
    vertex[1].Green = GetGValue(top) << 8;
    vertex[1].Blue  = GetBValue(top) << 8;
    vertex[1].Alpha = 0x0000;

    vertex[2].x     = x3;
    vertex[2].y     = y3;
    vertex[2].Red   = GetRValue(bottom) << 8;
    vertex[2].Green = GetGValue(bottom) << 8;
    vertex[2].Blue  = GetBValue(bottom) << 8;
    vertex[2].Alpha = 0x0000;

    // Create a GRADIENT_TRIANGLE structure that
    // references the TRIVERTEX vertices.

    GRADIENT_TRIANGLE gTriangle;

    gTriangle.Vertex1 = 0;
    gTriangle.Vertex2 = 1;
    gTriangle.Vertex3 = 2;

    // Draw a shaded triangle.

    GradientFill( MemDC, vertex, 3, &gTriangle, 1, GRADIENT_FILL_TRIANGLE);
}

// draw the window's footer ( "status bar" )

void drawFooter( HDC MemDC, RECT r, COLORREF top, COLORREF bottom )
{
    // bottom triangle

    GradientTriangle( MemDC,
        r.right, r.bottom,
        ( r.right - r.left ) / 2,
        r.bottom - r.top - 15,
        r.left,
        r.bottom,
        top, bottom );

    // upper triangle

    GradientTriangle( MemDC,
        r.right, r.bottom - r.top - 30,
        ( r.right - r.left ) / 2,
        r.bottom - r.top - 15,
        r.left,
        r.bottom - r.top - 30,
        top, bottom );

    // left triangle

    GradientTriangle( MemDC,
        r.left, r.bottom,
        ( r.right - r.left ) / 2,
        r.bottom - r.top - 15,
        r.left,
        r.bottom - r.top - 30,
        top, bottom );

    // right triangle

    GradientTriangle( MemDC,
        r.right,
        r.bottom - r.top - 30,
        ( r.right - r.left ) / 2,
        r.bottom - r.top - 15,
        r.right,
        r.bottom,
        top, bottom );

    // draw icon

    DrawIconEx( MemDC, r.left, r.bottom - r.top - 30,
        hiAdmin, // a global variable for icon
        30, 30, NULL, NULL, DI_NORMAL );
}