PowerPoint + VSTO 动态更改上下文菜单
本文关键字:上下文 菜单 动态 VSTO PowerPoint | 更新日期: 2023-09-27 18:30:42
我想在上下文菜单中添加一些按钮(也许还有其他类型的控件 - 我现在不确定),但前提是满足某些条件。因此,有可用的Application.WindowBeforeRightClick事件,但它仅在我单击幻灯片时触发,而不是在单击某些形状时触发。
到目前为止,我添加了一些xml作为功能区:
<?xml version="1.0" encoding="UTF-8"?>
<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui" onLoad="Ribbon_Load">
<contextMenus>
<contextMenu idMso="ContextMenuShape">
<button id="button1" label="button1"/>
</contextMenu>
<contextMenu idMso="ContextMenuObjectsGroup">
<button id="button2" label="Align vertical axes" onAction="AlignXAxis" getVisible="ChangeCMObjectsGroupVisibility"/>
<button id="button3" label="Align horizontal axes" onAction="AlignYAxis" getVisible="ChangeCMObjectsGroupVisibility"/>
<button id="button4" label="Align scale" onAction="MaxScale" getVisible="ChangeCMObjectsGroupVisibility"/>
<button id="button5" label="Add legend" onAction="Legend" getVisible="ChangeCMObjectsGroupVisibility"/>
<button id="button6" label="Adjust chart width" onAction="AdjustWidth" getVisible="ChangeCMObjectsGroupVisibility"/>
<button id="button7" label="Adjust chart height" onAction="AdjustHeight" getVisible="ChangeCMObjectsGroupVisibility"/>
</contextMenu>
</contextMenus>
</customUI>
和代码:
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
Application.WindowBeforeRightClick += new PPT.EApplication_WindowBeforeRightClickEventHandler(Application_WindowBeforeRightClick);
ribbon= (Ribbon1)CreateRibbonExtensibilityObject();
}
void Application_WindowBeforeRightClick(PPT.Selection Sel, ref bool Cancel)
{
PPT.Selection selection= Globals.ThisAddIn.Application.ActiveWindow.Selection;
if (selection.Type==PPT.PpSelectionType.ppSelectionShapes)
{
if (selection.ShapeRange.HasChart==MsoTriState.msoTrue)
{
ribbon.TurnOnChangeCMObjectsGroupVisibility();
}
}
}
是否可以检查所选形状的类型,隐藏/显示/添加/删除控件,然后显示正确的上下文菜单?
当您右键单击形状时,将触发 Application_WindowSelectionChange
事件。可以在该事件处理程序中检查形状(或任何其他标准)的类型。
为了更新上下文菜单,您需要使功能区失效。这将调用ChangeCMObjectsGroupVisibility
回调,并根据条件更新上下文菜单项的可见性。您可能需要使用全局变量提供满足ChangeCMObjectsGroupVisibility
回调的标准。