292 lines
11 KiB
C#
292 lines
11 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="PageCatalogPart.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.WebControls.WebParts {
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using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Drawing;
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using System.Globalization;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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/// <devdoc>
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/// </devdoc>
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[
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Designer("System.Web.UI.Design.WebControls.WebParts.PageCatalogPartDesigner, " + AssemblyRef.SystemDesign),
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]
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public sealed class PageCatalogPart : CatalogPart {
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private WebPartDescriptionCollection _availableWebPartDescriptions;
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private static readonly WebPartDescriptionCollection DesignModeAvailableWebParts =
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new WebPartDescriptionCollection(new WebPartDescription[] {
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new WebPartDescription("webpart1", String.Format(CultureInfo.CurrentCulture,
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SR.GetString(SR.CatalogPart_SampleWebPartTitle), "1"), null, null),
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new WebPartDescription("webpart2", String.Format(CultureInfo.CurrentCulture,
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SR.GetString(SR.CatalogPart_SampleWebPartTitle), "2"), null, null),
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new WebPartDescription("webpart3", String.Format(CultureInfo.CurrentCulture,
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SR.GetString(SR.CatalogPart_SampleWebPartTitle), "3"), null, null),
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});
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[
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WebSysDefaultValue(SR.PageCatalogPart_PartTitle),
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]
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public override string Title {
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get {
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string s = (string)ViewState["Title"];
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return (s != null) ? s : SR.GetString(SR.PageCatalogPart_PartTitle);
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}
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set {
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ViewState["Title"] = value;
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}
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}
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public override WebPartDescriptionCollection GetAvailableWebPartDescriptions() {
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if (DesignMode) {
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return DesignModeAvailableWebParts;
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}
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if (_availableWebPartDescriptions == null) {
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WebPartCollection availableWebParts;
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if (WebPartManager != null) {
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WebPartCollection closedWebParts = GetClosedWebParts();
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if (closedWebParts != null) {
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availableWebParts = closedWebParts;
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}
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else {
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availableWebParts = new WebPartCollection();
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}
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}
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else {
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availableWebParts = new WebPartCollection();
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}
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ArrayList descriptions = new ArrayList();
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foreach(WebPart part in availableWebParts) {
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// Do not show UnauthorizedWebParts (VSWhidbey 429514)
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if (part is UnauthorizedWebPart) {
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continue;
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}
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WebPartDescription description = new WebPartDescription(part);
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descriptions.Add(description);
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}
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_availableWebPartDescriptions = new WebPartDescriptionCollection(descriptions);
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}
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return _availableWebPartDescriptions;
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}
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private WebPartCollection GetClosedWebParts() {
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// WebPartManager is checked for null in calling code
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Debug.Assert(WebPartManager != null);
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ArrayList closedWebParts = new ArrayList();
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WebPartCollection webParts = WebPartManager.WebParts;
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if (webParts != null) {
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foreach (WebPart part in webParts) {
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if (part.IsClosed) {
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closedWebParts.Add(part);
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}
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}
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}
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return new WebPartCollection(closedWebParts);
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}
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public override WebPart GetWebPart(WebPartDescription description) {
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if (description == null) {
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throw new ArgumentNullException("description");
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}
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WebPartDescriptionCollection webPartDescriptions = GetAvailableWebPartDescriptions();
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if (!webPartDescriptions.Contains(description)) {
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throw new ArgumentException(SR.GetString(SR.CatalogPart_UnknownDescription), "description");
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}
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return description.WebPart;
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}
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/// <internalonly/>
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protected internal override void OnInit(EventArgs e) {
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base.OnInit(e);
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if (WebPartManager != null) {
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WebPartManager.WebPartAdded += new WebPartEventHandler(this.OnWebPartsChanged);
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WebPartManager.WebPartClosed += new WebPartEventHandler(this.OnWebPartsChanged);
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WebPartManager.WebPartDeleted += new WebPartEventHandler(this.OnWebPartsChanged);
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}
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}
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protected internal override void OnPreRender(EventArgs e) {
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base.OnPreRender(e);
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// Invalidate cache, since the DisplayTitles may not have been available the first time
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// we created the WebPartDescriptions (VSWhidbey 355573)
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_availableWebPartDescriptions = null;
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}
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private void OnWebPartsChanged(object sender, WebPartEventArgs e) {
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// Invalidate cache
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_availableWebPartDescriptions = null;
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}
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// Override Render to render nothing by default, since the CatalogPartChrome renders the
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// AvailableWebParts. A CatalogPart only needs to render something if it wants
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// additional rendering above the AvailableWebParts.
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protected internal override void Render(HtmlTextWriter writer) {
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}
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#region Overriden to hide in the designer (VSWhidbey 353577)
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string AccessKey {
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get { return base.AccessKey; }
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set { base.AccessKey = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Color BackColor {
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get { return base.BackColor; }
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set { base.BackColor = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string BackImageUrl {
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get { return base.BackImageUrl; }
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set { base.BackImageUrl = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Color BorderColor {
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get { return base.BorderColor; }
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set { base.BorderColor = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override BorderStyle BorderStyle {
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get { return base.BorderStyle; }
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set { base.BorderStyle = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Unit BorderWidth {
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get { return base.BorderWidth; }
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set { base.BorderWidth = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false), CssClassProperty()]
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public override string CssClass {
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get { return base.CssClass; }
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set { base.CssClass = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string DefaultButton {
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get { return base.DefaultButton; }
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set { base.DefaultButton = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override ContentDirection Direction {
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get { return base.Direction; }
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set { base.Direction = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override bool Enabled {
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get { return base.Enabled; }
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set { base.Enabled = value; }
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}
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[Browsable(false), DefaultValue(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override bool EnableTheming {
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get { return false; }
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set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override FontInfo Font {
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get { return base.Font; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Color ForeColor {
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get { return base.ForeColor; }
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set { base.ForeColor = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string GroupingText {
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get { return base.GroupingText; }
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set { base.GroupingText = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Unit Height {
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get { return base.Height; }
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set { base.Height = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override HorizontalAlign HorizontalAlign {
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get { return base.HorizontalAlign; }
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set { base.HorizontalAlign = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override ScrollBars ScrollBars {
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get { return base.ScrollBars; }
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set { base.ScrollBars = value; }
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}
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[Browsable(false), DefaultValue(""), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string SkinID {
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get { return String.Empty; }
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set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override short TabIndex {
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get { return base.TabIndex; }
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set { base.TabIndex = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override string ToolTip {
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get { return base.ToolTip; }
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set { base.ToolTip = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override bool Visible {
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get { return base.Visible; }
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set { base.Visible = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override Unit Width {
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get { return base.Width; }
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set { base.Width = value; }
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}
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
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public override bool Wrap {
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get { return base.Wrap; }
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set { base.Wrap = value; }
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}
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#endregion
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}
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}
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