// Use these using statements:
//using DocumentFormat.OpenXml.Packaging;
//using DocumentFormat.OpenXml.Office.CustomUI;
static public void XLAddCustomUI(string fileName, string customUIContent)
{
// Add a custom UI part to the document.
// Use this sample XML to test:
//<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui">
// <ribbon>
// <tabs>
// <tab idMso="TabAddIns">
// <group id="Group1" label="Group1">
// <button id="Button1" label="Button1" showImage="false" onAction="SampleMacro"/>
// </group>
// </tab>
// </tabs>
// </ribbon>
//</customUI>
// In the sample XLSM file, create a module and create a procedure named SampleMacro, using
// this signature:
// Public Sub SampleMacro(control As IRibbonControl)
// Add some code, then save and close the XLSM file. Run this
// example to add a button to the Add-Ins tab that calls the macro, given the
// XML content above in the XLCustomUI.xml file.
using (SpreadsheetDocument document = SpreadsheetDocument.Open(fileName, true))
{
// You can only have a single ribbon extensibility part.
// If the part doesn't exist, create it.
var part = document.RibbonExtensibilityPart;
if (part == null)
{
part = document.AddRibbonExtensibilityPart();
}
part.CustomUI = new CustomUI(customUIContent);
part.CustomUI.Save();
}
}