Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / Adapters / MSHTMLHostUtil.cs / 1305376 / MSHTMLHostUtil.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Diagnostics; using System.Drawing; using System.Web.UI.Design.MobileControls.Util; namespace System.Web.UI.Design.MobileControls.Adapters { [ System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode) ] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal static class MSHTMLHostUtil { private const int CONTROL_WIDTH = 64; private const int CONTROL_HEIGHT = 4096; private static MSHTMLHost _tridentControl; private static NativeMethods.IHTMLElement _htmlBody; private static NativeMethods.IHTMLElement _htmlDivOuter; private static NativeMethods.IHTMLElement _htmlDivInner; private static void CreateControl() { if (null != _tridentControl && null != _htmlBody) { return; } _tridentControl = new MSHTMLHost(); _tridentControl.Size = new Size(CONTROL_WIDTH, CONTROL_HEIGHT); _tridentControl.CreateTrident(); _tridentControl.ActivateTrident(); NativeMethods.IHTMLDocument2 htmlDoc2 = _tridentControl.GetDocument(); _htmlBody = htmlDoc2.GetBody(); } internal static void ApplyStyle(String enterStyle, String exitStyle, String cssStyle) { MSHTMLHostUtil.CreateControl(); String bodyInnerHTML = "" + enterStyle + "" + exitStyle + ""; // MessageBox.Show("Body HTML for empty content: " + bodyInnerHTML); _htmlBody.SetInnerHTML(bodyInnerHTML); NativeMethods.IHTMLDocument3 htmlDoc3 = (NativeMethods.IHTMLDocument3) _tridentControl.GetDocument(); Debug.Assert(null != htmlDoc3); _htmlDivInner = htmlDoc3.GetElementById("__divInner"); _htmlDivOuter = htmlDoc3.GetElementById("__divOuter"); Debug.Assert(null != _htmlDivOuter && null != _htmlDivInner); } #if UNUSED_CODE internal static int GetTextWidth(String text) { Debug.Assert(null != _htmlDivOuter && null != _htmlDivInner); _htmlDivInner.SetInnerText(text); NativeMethods.IHTMLElement2 htmlElement2 = (NativeMethods.IHTMLElement2) _htmlDivOuter; Debug.Assert(null != htmlElement2); return htmlElement2.GetClientWidth(); } #endif internal static int GetHtmlFragmentWidth(String htmlFragment) { Debug.Assert(null != _htmlDivOuter && null != _htmlDivInner); _htmlDivInner.SetInnerHTML(htmlFragment); NativeMethods.IHTMLElement2 htmlElement2 = (NativeMethods.IHTMLElement2) _htmlDivOuter; Debug.Assert(null != htmlElement2); return htmlElement2.GetClientWidth(); } internal static int GetHtmlFragmentHeight(String htmlFragment) { Debug.Assert(null != _htmlDivOuter && null != _htmlDivInner); _htmlDivInner.SetInnerHTML(htmlFragment); NativeMethods.IHTMLElement2 htmlElement2 = (NativeMethods.IHTMLElement2) _htmlDivOuter; Debug.Assert(null != htmlElement2); return htmlElement2.GetClientHeight(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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