internal void LoadCustomUI()
{
bool uiLoaded = false;
if (ExcelDnaUtil.ExcelVersion >= 12.0)
{
// Load ComAddIns
foreach (AssemblyLoader.ExcelAddInInfo addIn in _addIns)
{
if (addIn.IsCustomUI)
{
// Load ExcelRibbon classes
ExcelRibbon excelRibbon = addIn.Instance as ExcelRibbon;
excelRibbon.DnaLibrary = addIn.ParentDnaLibrary;
ExcelComAddInHelper.LoadComAddIn(excelRibbon);
uiLoaded = true;
}
}
// CONSIDER: Really not sure if this is a good idea - seems to interfere with unloading somehow.
//if (uiLoaded == false && CustomUIs != null)
//{
// // Check whether we should add an empty ExcelCustomUI instance to load a Ribbon interface?
// bool loadEmptyAddIn = false;
// if (CustomUIs != null)
// {
// foreach (XmlNode xmlCustomUI in CustomUIs)
// {
// if (xmlCustomUI.LocalName == "customUI" &&
// (xmlCustomUI.NamespaceURI == ExcelRibbon.NamespaceCustomUI2007 ||
// (ExcelDnaUtil.ExcelVersion >= 14.0 &&
// xmlCustomUI.NamespaceURI == ExcelRibbon.NamespaceCustomUI2010)))
// {
// loadEmptyAddIn = true;
// }
// if (loadEmptyAddIn)
// {
// // There will be Ribbon xml to load. Make a temp add-in and load it.
// ExcelRibbon customUI = new ExcelRibbon();
// customUI.DnaLibrary = this;
// ExcelComAddInHelper.LoadComAddIn(customUI);
// uiLoaded = true;
// }
// }
// }
//}
}
// should we load CommandBars?
if (uiLoaded == false && CustomUIs != null)
{
foreach (XmlNode xmlCustomUI in CustomUIs)
{
if (xmlCustomUI.LocalName == "commandBars")
{
ExcelCommandBarUtil.LoadCommandBars(xmlCustomUI, this.GetImage);
}
}
}
}
internal void UnloadCustomUI()
{
// This is safe, even if no Com Add-Ins were loaded.
ExcelComAddInHelper.UnloadComAddIns();
ExcelCommandBarUtil.UnloadCommandBars();
}