public DialogResult ShowDialog(IWin32Window owner)
{
if (string.IsNullOrEmpty(_target))
{
throw new InvalidOperationException(Properties.Resources.CredentialEmptyTargetError);
}
UserName = "";
Password = "";
IsStoredCredential = false;
if (RetrieveCredentialsFromApplicationInstanceCache())
{
IsStoredCredential = true;
_confirmTarget = Target;
return(DialogResult.OK);
}
bool storedCredentials = false;
if (ShowSaveCheckBox && RetrieveCredentials())
{
IsSaveChecked = true;
if (!ShowUIForSavedCredentials)
{
IsStoredCredential = true;
_confirmTarget = Target;
return(DialogResult.OK);
}
storedCredentials = true;
}
IntPtr ownerHandle = owner == null?NativeMethods.GetActiveWindow() : owner.Handle;
bool result;
if (NativeMethods.IsWindowsVistaOrLater)
{
result = PromptForCredentialsCredUIWin(ownerHandle, storedCredentials);
}
else
{
result = PromptForCredentialsCredUI(ownerHandle, storedCredentials);
}
return(result ? DialogResult.OK : DialogResult.Cancel);
}
/// <summary>
/// Displays the progress dialog as a modal dialog.
/// </summary>
/// <param name="owner">The window that owns the dialog.</param>
/// <param name="argument">A parameter for use by the background operation to be executed in the <see cref="DoWork"/> event handler.</param>
/// <remarks>
/// <para>
/// The ShowDialog function for most .Net dialogs will not return until the dialog is closed. However,
/// the <see cref="ShowDialog()"/> function for the <see cref="ProgressDialog"/> class will return immediately.
/// The parent window will be disabled as with all modal dialogs.
/// </para>
/// <para>
/// Although this function returns immediately, you cannot use the UI thread to do any processing. The dialog
/// will not function correctly unless the UI thread continues to handle window messages, so that thread may
/// not be blocked by some other activity. All processing related to the progress dialog must be done in
/// the <see cref="DoWork"/> event handler.
/// </para>
/// <para>
/// The progress dialog's window will appear in the taskbar. This behaviour is also contrary to most .Net dialogs,
/// but is part of the underlying native progress dialog API so cannot be avoided.
/// </para>
/// <para>
/// When possible, it is recommended that you use a modeless dialog using the <see cref="Show()"/> function.
/// </para>
/// </remarks>
/// <exception cref="InvalidOperationException">The animation specified in the <see cref="Animation"/> property
/// could not be loaded, or the operation is already running.</exception>
public void ShowDialog(IWin32Window owner, object argument)
{
RunProgressDialog(owner == null ? NativeMethods.GetActiveWindow() : owner.Handle, argument);
}