internal static void DrawAndFillEllipse(
this Gdi32.HDC hdc,
Gdi32.HPEN pen,
Gdi32.HBRUSH brush,
int left,
int top,
int right,
int bottom)
{
using var penSelection = pen.IsNull ? default : new Gdi32.SelectObjectScope(hdc, pen);
using var brushSelection = brush.IsNull ? default : new Gdi32.SelectObjectScope(hdc, brush);
Gdi32.Ellipse(hdc, left, top, right, bottom);
}
private void DrawEllipse(WindowsPen pen, WindowsBrush brush,
int nLeftRect, // x-coord of upper-left corner of rectangle
int nTopRect, // y-coord of upper-left corner of rectangle
int nRightRect, // x-coord of lower-right corner of rectangle
int nBottomRect)
{
// y-coord of lower-right corner of rectangle
HandleRef hdc = new HandleRef(DeviceContext, DeviceContext.Hdc);
if (pen != null)
{
// 1. Select the pen in the DC
Gdi32.SelectObject(hdc, new HandleRef(pen, pen.HPen));
}
if (brush != null)
{
Gdi32.SelectObject(hdc, new HandleRef(brush, brush.HBrush));
}
// 2. call the function
Gdi32.Ellipse(DeviceContext, nLeftRect, nTopRect, nRightRect, nBottomRect);
}