好的。 我一直無法找到任何有關解決這個問題的信息，所以我一直沒有選擇，只能開發一個使用調用Windows API的解決方法。
這是我開發的解決方案或解決方法。
在我的winform中，我已經將以下聲明添加到Windows API。
[DllImport("user32.dll", EntryPoint = "FindWindow", SetLastError = true)]
private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam);
[DllImport("USER32.DLL")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
我還在winform的頂部添加了以下內容。
public bool fileOpenInProgress = false;
爲了我的winform，我加入了一個BackgroundWorker控制。 在此BackgroundWorker控件上，我將WorkerSupportsCancellation屬性設置爲True。
在BackgroundWorker控件的DoWork事件處理程序中，我已指定調用以下方法。
private void workerXLPwdDialogCheck_DoWork(object sender, DoWorkEventArgs e)
{
while (fileOpenInProgress)
{
IntPtr hwndExcel = FindWindow(lpClassName: "XLMain", lpWindowName: null);
SetForegroundWindow(hwndExcel);
try
{
IntPtr hwndPasswordDialog = FindWindow(lpClassName: null, lpWindowName: "Password");
if (hwndPasswordDialog != IntPtr.Zero)
{
// Make the Password Dialog the active window
SetForegroundWindow(hwndPasswordDialog);
SendMessage(hwndPasswordDialog, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
IntPtr hwndSelectSheetDialog = FindWindow(lpClassName: null, lpWindowName: "Select Sheet");
if (hwndSelectSheetDialog != IntPtr.Zero)
{
// Make the Password Dialog the active window
SetForegroundWindow(hwndSelectSheetDialog);
SendMessage(hwndSelectSheetDialog, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
}
catch (Exception WTF)
{
MessageBox.Show(WTF.Message);
}
}
}
在我的代碼的其餘部分，我做的Excel文件，並改變鏈接開幕，我有以下的代碼
fileOpenInProgress = true;
workerXLPwdDialogCheck.RunWorkerAsync();
StringBuilder resultsOut = new StringBuilder();
if (MsOfficeHelper.IsPasswordProtected(fileName))
{
while ((excelApp.Workbooks.Count == 0) && (!allPasswordUsed))
{
// Open workbook - trying each password from password list in turn
foreach (var excelPassword in excelPasswords)
{
try
{
excelWorkbook = excelApp.Workbooks.Open(Filename: fileName, UpdateLinks: Excel.XlUpdateLinks.xlUpdateLinksNever, Password: excelPassword);
allPasswordUsed = true;
resultsOut = resultsOut.AppendLine(fileName + " - Opened");
}
catch (Exception WTF)
{
//MessageBox.Show(WTF.Message);
}
}
// Open workbook - trying each password from password list in turn
foreach (var excelPassword in excelPasswords)
{
try
{
excelWorkbook = excelApp.Workbooks.Open(Filename: fileName, UpdateLinks: Excel.XlUpdateLinks.xlUpdateLinksNever, Password: excelPassword.ToLower());
allPasswordUsed = true;
resultsOut = resultsOut.AppendLine(fileName + " - Opened");
//
}
catch (Exception WTF)
{
//MessageBox.Show(WTF.Message);
}
}
allPasswordUsed = true;
resultsOut = resultsOut.AppendLine(fileName + " - All known passwords used - Unable to Open File");
}
}
else
{
// Open Workbook - no password required
excelWorkbook = excelApp.Workbooks.Open(Filename: fileName, UpdateLinks: Excel.XlUpdateLinks.xlUpdateLinksNever);
resultsOut = resultsOut.AppendLine(fileName + " - Opened");
}
// Assuming there is an openwork book object
// check to see if it contains links and attempt to update them.
if (excelApp.Workbooks.Count > 0)
{
excelWorkbook = excelApp.ActiveWorkbook;
#pragma warning disable IDE0019 // Use pattern matching
Array olinks = excelWorkbook.LinkSources(Excel.XlLink.xlExcelLinks) as Array;
#pragma warning restore IDE0019 // Use pattern matching
if (olinks != null)
{
if (olinks.Length > 0)
{
resultsOut = resultsOut.AppendLine(" " + fileName + " - " + olinks.Length.ToString() + " links.");
foreach (var olink in olinks)
{
oldLink = olink.ToString();
// Search through list of linked files to find the oldLink
foreach (LinkedFile linkedFile in linkedFiles)
{
if (oldLink == linkedFile.OldLink)
{
newLink = linkedFile.NewLink;
break;
}
}
try
{
excelWorkbook.ChangeLink(Name: oldLink, NewName: newLink, Type: Excel.XlLinkType.xlLinkTypeExcelLinks);
resultsOut = resultsOut.AppendLine(" SUCCESS - ChangeLink from " + oldLink + " to " + newLink);
Application.DoEvents();
}
catch (Exception whoopsy)
{
resultsOut = resultsOut.AppendLine(" FAILURE - ChangeLink from " + oldLink + " to " + newLink);
Application.DoEvents();
}
//resultsOut = resultsOut.AppendLine(" " + oldLink);
} // End For loop
}
else
{
resultsOut = resultsOut.AppendLine(" No links.");
}
}
excelWorkbook.Close(SaveChanges: true);
resultsOut = resultsOut.AppendLine(fileName + " - Closed");
resultsOut = resultsOut.AppendLine(" ");
}
// Stop the background worker that checks for the existence of a
// Excel Password Dialog
fileOpenInProgress = false;
workerXLPwdDialogCheck.CancelAsync();
return resultsOut.ToString();
這有點擊任何「取消按鈕的效果密碼「或」選擇工作表「對話框。
它可能不是最漂亮的解決方法或解決方案，但它是功能性的。
這是問答網站，而不是論壇。問題放在問題框中。沒有必要在標題中加入某種「標記」來進一步標記它們。 –
@Damien_The_Unbeliever - 我問過一個問題，也許你可以重新閱讀我的文章。 –
是的，但我的意思是說，由於某種原因，你覺得有必要在標題前添加「ISSUE - 」。我在編輯時做的是刪除那個標記，然後我的評論是幫助解釋*爲什麼*標記是不必要的。 –