如何在 C# 中关闭正在运行的 MS Word 实例

Question

我正在做一个应用程序，当我启动 MS Word 应用程序时，
会创建一个按钮，而当 MS Word 应用程序关闭时，该按钮会被删除。
所以这就是我将 MS Word 和按钮关联起来的方法......

Word.Application wdApp = new Word.Application();
string oldCaption = wdApp.Application.Caption ;
string guid = Guid.NewGuid().ToString();
//set caption to random value
wdApp.Application.Caption = guid;
//make sure app is visible:
wdApp.Visible = true;
//find random value to get process id
int processId = GetProcessIdByWindowTitle(guid);

//reset caption
wdApp.Application.Caption = oldCaption;

//create a dictionary
Dictionary<int, Button> mapping = new Dictionary<int, button>();
//add mapping
mapping.Add(new KeyValuePair<int, Button>(processId, deleteButton));




public static int GetProcessIdByWindowTitle(string AppId)
{
   Process[] P_CESSES = Process.GetProcesses();
   for (int p_count = 0; p_count < P_CESSES.Length; p_count++)
   {
        if (P_CESSES[p_count].MainWindowTitle.Equals(AppId))
        {
                    return P_CESSES[p_count].Id;
        }
   }

    return Int32.MaxValue;
}

但我在这里遇到错误mapping.Add(new KeyValuePair<int, Button>(processId, deleteButton));
我收到此错误：“Add 没有重载方法需要 1 个参数”...
我该怎么办？
有没有其他解决方案？
谢谢。
编辑：
我已经修改了我的代码，但我只能删除我创建的最后一个按钮，当我想删除其他我不能删除的按钮时...我设置了断点以了解不同变量的值。 但是当我创建 2 个按钮时，mapping.add 中的计数始终等于 1... 正常吗？

这里是代码：

try
            {

                Word.Application wdApp = new Word.Application();
                string oldCaption = wdApp.Application.Caption;
                string guid = Guid.NewGuid().ToString();
                //set caption to random value
                wdApp.Application.Caption = guid;
                //make sure app is visible:
                wdApp.Visible = true;
                //find random value to get process id
                int processId = GetProcessIdByWindowTitle(guid);


                //reset caption
                wdApp.Application.Caption = oldCaption;


                if( wdApp.Visible == true)
                {

                    deleteButton = new Microsoft.Office.Tools.Word.Controls.Button();
                    //create a dictionary
                    mapping = new Dictionary<int, Button>();
                    //add mapping
                    mapping.Add(processId, deleteButton);
                    PIC_Barre.Controls.Add(deleteButton);




                    //PIC_Barre.Controls.Add(_button);
                }
                ((Word.ApplicationEvents4_Event)wdApp).Quit += () =>
                {

                // remove the button corresponding to the processid
                     var method = (Action)(() =>
                PIC_Barre.Controls.Remove(mapping[processId]));
                     if (mapping[processId].InvokeRequired)
                     {
                         mapping[processId].Invoke(method);

                     }
                 // remove the key from the dictionary

                };
                Debugger.Break();



            }
            catch
            {

            }

Answer 1

Word._Document document = this.Application.ActiveDocument;
document.Close(Word.WdSaveOptions.wdDoNotSaveChanges);