Exemplos de NWindows.Win32 Win32API.GetDCChecked em C# (CSharp)

Exemplo n.º 1

        public Size MeasureString(FontConfig font, string text)
        {
            IntPtr hdc = Win32API.GetDCChecked(IntPtr.Zero);

            try
            {
                IntPtr fontPtr = objectCache.GetFont(font);
                IntPtr oldFont = Gdi32API.SelectObjectChecked(hdc, fontPtr);
                try
                {
                    Gdi32API.GetTextExtentPoint32W(hdc, text, text.Length, out var size);
                    return(new Size(size.cx, size.cy));
                }
                finally
                {
                    if (oldFont != IntPtr.Zero)
                    {
                        Gdi32API.SelectObjectChecked(hdc, fontPtr);
                    }
                }
            }
            finally
            {
                Win32API.ReleaseDCChecked(IntPtr.Zero, hdc);
            }
        }