如何从使用C#开发的Word 2010插件“捕获”KeyPress事件?
注意:我不希望使用“复杂”的解决方案,例如挂钩等。我希望使用.NET对象模型中的简便明了的方法。
我手头上的应用程序对象是:
Microsoft.Office.Interop.Word.Application
最好的祝愿
如何从使用C#开发的Word 2010插件“捕获”KeyPress事件?
注意:我不希望使用“复杂”的解决方案,例如挂钩等。我希望使用.NET对象模型中的简便明了的方法。
我手头上的应用程序对象是:
Microsoft.Office.Interop.Word.Application
最好的祝愿
很遗憾,Word API或VSTO中没有内置的功能可以捕获按键,可以在此处找到更多信息:这里
我已经寻找可行的解决方案有一段时间了,但我能想到的最佳方法是使用Windows API钩子来处理它,你可能会得出相同的结论,因此这里有一个示例:
您需要向以下程序集添加using
指令:
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;
这里是钩子:
public partial class ThisAddIn
{
private const int WH_KEYBOARD_LL = 13;
private const int WM_KEYDOWN = 0x0100;
private static IntPtr hookId = IntPtr.Zero;
private delegate IntPtr HookProcedure(int nCode, IntPtr wParam, IntPtr lParam);
private static HookProcedure procedure = HookCallback;
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr GetModuleHandle(string lpModuleName);
[DllImport("user32.dll", SetLastError = true)]
private static extern bool UnhookWindowsHookEx(IntPtr hhk);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr SetWindowsHookEx(int idHook, HookProcedure lpfn, IntPtr hMod, uint dwThreadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
hookId = SetHook(procedure);
}
private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
{
UnhookWindowsHookEx(hookId);
}
private static IntPtr SetHook(HookProcedure procedure)
{
using (Process process = Process.GetCurrentProcess())
using (ProcessModule module = process.MainModule)
return SetWindowsHookEx(WH_KEYBOARD_LL, procedure, GetModuleHandle(module.ModuleName), 0);
}
private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int pointerCode = Marshal.ReadInt32(lParam);
string pressedKey = ((Keys)pointerCode).ToString();
//Do some sort of processing on key press
var thread = new Thread(() => { MessageBox.Show(pressedKey); });
thread.Start();
}
return CallNextHookEx(hookId, nCode, wParam, lParam);
}
private void InternalStartup()
{
this.Startup += new System.EventHandler(ThisAddIn_Startup);
this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
}
}
new System.Windows.Forms.WebBrowser();
到
new Microsoft.Office.Tools.Excel.Controls.WebBrowser();
您需要向项目添加引用:项目/添加引用/扩展,选择 Microsoft.Tools.Outlook 和 Microsoft.Tools.Outlook.v4.0.Utilities