86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="HeaderPanel.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.Design.MobileControls.Util
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{
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using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.Windows.Forms;
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[
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System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
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Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
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]
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[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.")]
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internal class HeaderPanel : Panel
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{
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private int _recursionCount = 0;
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internal void RequestNewHeight(HeaderLabel header, int height)
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{
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int offset = height - header.Height;
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try
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{
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// This is a workaround for a RTB issue that causes their
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// algorithm to ---- up if OnContentsResize recurses. (Now
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// that HeaderLabel does not resize the text untill after
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// autoscaling, we do not seem to hit this, but just in case).
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//
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// On the first call the RTB guesses its best dimensions
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// for the given text. We correct the Width which may cause
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// a second recursive call to adjust the height.
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if(_recursionCount < 2)
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{
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_recursionCount++;
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header.Height = height;
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//
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foreach(Control child in Controls)
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{
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if(child.Top > header.Top)
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{
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child.Top += offset;
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}
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}
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for(
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Control controlIterator = this;
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controlIterator != null;
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controlIterator = controlIterator.Parent
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) {
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controlIterator.Height += offset;
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}
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}
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else
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{
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Debug.Assert(offset == 0,
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"On 3rd recursive call offset is not yet stabalized."
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);
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}
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}
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finally
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{
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_recursionCount = 0;
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}
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}
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protected override void OnSizeChanged(EventArgs e)
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{
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foreach(Control child in Controls)
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{
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if(child is HeaderLabel)
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{
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child.Width = Width;
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}
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}
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base.OnSizeChanged(e);
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}
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}
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}
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