@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The OleDraw API !!!!C# Signature: [DllImport("ole32.dll")] static extern int OleDraw([MarshalAs(UnmanagedType.IUnknown)] object pUnk, uint dwAspect, IntPtr hdcDraw, [In] ref RECT lprcBounds); !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: [DllImport("ole32.dll")] public static extern int OleDraw(IntPtr pUnk, int dwAspect, IntPtr hdcDraw, ref Rectangle lprcBounds); /// <summary> /// Creates a bitmap from the supplied ActiveX control using OleDraw /// </summary> /// <param name="c"></param> public Image CreateImage(AxHost c) { Rectangle rect = new Rectangle(0, 0, c.ClientRectangle.Width, c.ClientRectangle.Height); Bitmap bmp = new Bitmap(rect.Width, rect.Height); Graphics graphics = Graphics.FromImage(bmp); IntPtr pUnk = Marshal.GetIUnknownForObject(c.GetOcx()); IntPtr hdc = graphics.GetHdc(); OleDraw(pUnk, 1, hdc, ref rect); Marshal.Release(pUnk); graphics.ReleaseHdc(hdc); return bmp; } !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: OleDraw@msdn on MSDN
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