我正在开发 VSTO excel 2007 工作簿应用程序并寻找跟踪 excel 应用程序点击的事件。
有两种情况:-
- 用户在单击任务栏中的 excel 图标后进入 excel。
- 用户在按 ALT+TAB 后出现在 excel 表上
我试过了
ThisWorkbook_ActivateEvent();
和
this.Application.WindowActivate
但他们似乎并没有工作。
最佳答案
这是一个完整的 VSTO 解决方案,应该可以工作,尽管它不是很好,因为它使用了计时器。我已经在您的两种情况下对其进行了测试。
约尔格
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Excel;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.Diagnostics;
namespace ExcelAddIn_TestExcelWindowActivation
{
public partial class ThisAddIn
{
[DllImport("user32.dll", EntryPoint = "GetForegroundWindow")]
public static extern IntPtr GetForegroundWindow();
private IntPtr _excelWindowHandle = IntPtr.Zero;
private IntPtr _lastForegroundWindowHandle = IntPtr.Zero;
private Timer _timerForegroundWindowObserver = null;
private void InternalStartup()
{
this.Startup += new System.EventHandler(ThisAddIn_Startup);
this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
}
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
//Get excel handle
_excelWindowHandle = new IntPtr(Globals.ThisAddIn.Application.Hwnd);
//Initialize and start the timer
_timerForegroundWindowObserver = new Timer();
_timerForegroundWindowObserver.Interval = 1000; //ms
_timerForegroundWindowObserver.Tick +=new EventHandler(_timerForegroundWindowObserver_Tick);
_timerForegroundWindowObserver.Start();
Debug.Print("ThisAddIn_Startup completed.");
}
private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
{
//Stop and delete the timer
_timerForegroundWindowObserver.Stop();
_timerForegroundWindowObserver = null;
}
private void _timerForegroundWindowObserver_Tick(object sender, EventArgs e)
{
var foregroundWindowHandle = GetForegroundWindow();
//Remember the last foreground window and exit if there were no changes...
if (foregroundWindowHandle == _lastForegroundWindowHandle) return;
_lastForegroundWindowHandle = foregroundWindowHandle;
//When Excel is activated: Give info...
if (foregroundWindowHandle == _excelWindowHandle)
{
Debug.Print("Excel window is activated yet.");
}
}
}
}
关于c# - VSTO-捕获来自 excel 工作簿上任务栏的单击的事件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12838985/