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FileManagerFileListThumbnailsViewSettings.ThumbnailWidth Property

Gets or sets the width of thumbnails and folder images displayed in the file area in thumbnails view mode.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v21.2.dll

Declaration

[DefaultValue(typeof(Unit), "")]
public virtual Unit ThumbnailWidth { get; set; }

Property Value

Type Default Description
Unit

String.Empty

A Unit value specifying the thumbnail width.

Property Paths

You can access this nested property as listed below:

Library Object Type Path to ThumbnailWidth
ASP.NET Bootstrap Controls BootstrapFileManagerSettingsFileList
.ThumbnailsViewSettings.ThumbnailWidth
ASP.NET MVC Extensions MVCxFileManagerSettingsFileList
.ThumbnailsViewSettings.ThumbnailWidth
ASP.NET Web Forms Controls HtmlEditorDocumentSelectorFileListSettings
.ThumbnailsViewSettings.ThumbnailWidth
HtmlEditorFileManagerFileListSettings
.ThumbnailsViewSettings.ThumbnailWidth
FileManagerSettingsFileList
.ThumbnailsViewSettings.ThumbnailWidth

Remarks

Use the ThumbnailWidth and FileManagerFileListThumbnailsViewSettings.ThumbnailHeight properties to specify the size of thumbnails and folder images displayed in the file area in thumbnails view mode.

Example

Web Forms:

<dx:ASPxFileManager ID="fileManager" runat="server">
    <SettingsFileList>
        <ThumbnailsViewSettings ThumbnailHeight="50" ThumbnailWidth="50">
            <ItemTemplate>
                <img class="tmplThumb" src='<%# Eval("ThumbnailUrl") %>' alt='<%# Eval("Name") %>' />
                <div class="tmplTextContainer">
                    <dx:ASPxLabel CssClass="mainInfo" runat="server" Text='<%# Eval("Name") %>' />
                    <br />
                    <dx:ASPxLabel CssClass="additionalInfo" runat="server" Text='<%# GetFileType(Container.DataItem as FileManagerFile) %>' />
                    <br />
                    <dx:ASPxLabel CssClass="additionalInfo" runat="server" Text='<%# GetSize(Container.DataItem as FileManagerFile) %>' />
                </div>
            </ItemTemplate>
        </ThumbnailsViewSettings>
    </SettingsFileList>
    ...
</dx:ASPxFileManager>

MVC:

settings.SettingsFileList.ThumbnailsViewSettings.ThumbnailHeight = Unit.Pixel(50);
settings.SettingsFileList.ThumbnailsViewSettings.ThumbnailWidth = Unit.Pixel(50);
settings.SettingsFileList.ThumbnailsViewSettings.SetThumbnailViewItemTemplateContent(c => {
    ViewContext.Writer.Write(
        "<img class=\"tmplThumb\" src=\"" + c.Item.ThumbnailUrl + "\" alt='<%# Eval(\"Name\") %>' />" +
        "<div class=\"tmplTextContainer\">" +
            "<span>" + DataBinder.Eval(c.DataItem, "Name") + "</span>" +
            "<br />" +
            "<span class=\"additionalInfo\">" + FileManagerItemInfo.Create("", c.Item.FullName).Type + "</span>" +
            "<br />" +
            "<span class=\"additionalInfo\">" + c.Item.Length / 1024 + "Kb </span>" +
        "</div>"
    );
});

Online Demo

Example

ASPxFileManager_HighlightTemplate

<dx:ASPxFileManager ID="fileManager" runat="server">
     ...
     <ClientSideEvents HighlightItemTemplate="onHighlightItemTemplate" />
     <SettingsFileList>
          <ThumbnailsViewSettings ThumbnailHeight="50" ThumbnailWidth="50">
               <ItemTemplate>
                    <img class="tmplThumb" src='<%# Eval("ThumbnailUrl") %>' alt='<%# Eval("Name") %>' />
                    <div class="tmplTextContainer">
                         <span><%# Eval("Name") %></span>
                         <br />
                         <span class="additionalInfo"><%# GetFileType(Container.DataItem as FileManagerFile) %></span>
                         <br />
                         <span class="additionalInfo"><%# GetSize(Container.DataItem as FileManagerFile) %></span>
                    </div>
               </ItemTemplate>
          </ThumbnailsViewSettings>
     </SettingsFileList>
</dx:ASPxFileManager>
onHighlightItemTemplate = function(s, e) {
    var startIndex = e.itemName.toLowerCase().indexOf(e.filterValue.toLowerCase()),
          textStart = e.itemName.substr(0, startIndex),
          textMiddle = e.itemName.substr(startIndex, e.filterValue.length),
          textEnd = e.itemName.substr(startIndex + e.filterValue.length),
          highlightedText = textStart + "<span class='" + e.highlightCssClassName + "'>" + textMiddle +"</span>" + textEnd,
          textContainer = ASPxClientUtils.GetChildByTagName(e.templateElement, "DIV", 0);
     ASPxClientUtils.GetChildByTagName(textContainer, "SPAN", 0).innerHTML = "Name: " + highlightedText;
}
See Also