jQuery Diagram - historyToolbar

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The history toolbar can contain default and custom commands. Handle the CustomCommand event to respond to a custom command click.

$(function() {
    var diagram = $("#diagram").dxDiagram({
        historyToolbar: {
            commands: ["undo", "redo", {name: "sayHello", text: "Say Hello", icon: "blockquote"}]
        }, 
        onCustomCommand: function(e) {
            if (e.name == "sayHello")
            alert("Hello!")
        },
    }).dxDiagram("instance");
});

Use the DiagramCommand enum to specify this property when the UI component is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Separator, ExportSvg, ExportPng, ExportJpg, Undo, Redo, Cut, Copy, Paste, SelectAll, Delete, FontName, FontSize, Bold, Italic, Underline, FontColor, LineColor, FillColor, TextAlignLeft, TextAlignCenter, TextAlignRight, Lock, Unlock, SendToBack, BringToFront, InsertShapeImage, EditShapeImage, DeleteShapeImage, ConnectorLineType, ConnectorLineStart, ConnectorLineEnd, LayoutTreeTopToBottom, LayoutTreeBottomToTop, LayoutTreeLeftToRight, LayoutTreeRightToLeft, LayoutLayeredTopToBottom, LayoutLayeredBottomToTop, LayoutLayeredLeftToRight, LayoutLayeredRightToLeft, FullScreen, ZoomLevel, ShowGrid, SnapToGrid, GridSize, Units, PageSize, PageOrientation, PageColor.