private void HandleCancel()
{
SecurityHelper.DemandUIWindowPermission();
// After _runApplication is set to true, we no longer allow canceling deployment.
if (_cancelHandled || _runApplication)
return;
_cancelHandled = _canceled = true;
// Delete the cached trust decision to force going down the full ClickOnce path next time
DeleteCachedApplicationTrust(_identity);
// If we are being shut down by the browser, don't do anything else.
if (IsShuttingDown)
{
AbortActivation();
return;
}
CancelAsynchronousOperation();
// ASSUMES ALREADY IN CORRECT CONTEXT
SetStatusText(SR.Get(SRID.HostingStatusCancelled));
string errorTitle, errorMessage;
DeploymentExceptionMapper.GetErrorTextFromException(null, out errorTitle, out errorMessage);
IErrorPage errorpage = null;
//dont even try to use reflection if assembly name is null
if (_errorPageAssembly != null || _errorPageClass != null)
{
errorpage = GetCustomPage(_errorPageAssembly, _errorPageClass) as IErrorPage;
}
//if this is null then there is no custom page so fall back to default ui
if (errorpage == null)
{
//use default class
errorpage = new InstallationErrorPage() as IErrorPage;
}
errorpage.DeploymentPath = _deploymentManifest;
errorpage.ErrorTitle = errorTitle;
errorpage.ErrorText = errorMessage;
errorpage.SupportUri = null;
errorpage.LogFilePath = null;
errorpage.ErrorFlag = false;
errorpage.RefreshCallback = new DispatcherOperationCallback(UserRefresh);
errorpage.GetWinFxCallback = null;
BrowserWindow.Navigate(errorpage);
}
private void HandleError(Exception exception, string logFilePath, Uri supportUri, string requiredWpfVersion)
{
SecurityHelper.DemandUIWindowPermission();
ClearAsynchronousOperationStatus();
// Delete the cached trust decision to force going down the full ClickOnce path next time
DeleteCachedApplicationTrust(_identity);
// If we are being shut down by the browser, don't do anything else.
if (IsShuttingDown)
{
AbortActivation();
return;
}
// ASSUMES ALREADY IN CORRECT CONTEXT
SetStatusText(SR.Get(SRID.HostingStatusFailed));
string version = String.Empty;
MissingDependencyType getWinFXReq = MissingDependencyType.Others;
if (exception is DependentPlatformMissingException)
{
if (requiredWpfVersion != null)
{
getWinFXReq = MissingDependencyType.WinFX;
version = requiredWpfVersion;
DeploymentExceptionMapper.ConstructFwlinkUrl(version, out _fwlinkUri);
_requiredCLRVersion = ClrVersionFromWinFXVersion(version);
}
else
{
getWinFXReq = DeploymentExceptionMapper.GetWinFXRequirement(exception, _hostingManager, out version, out _fwlinkUri);
switch(getWinFXReq)
{
case MissingDependencyType.WinFX:
_requiredCLRVersion = ClrVersionFromWinFXVersion(version);
break;
case MissingDependencyType.CLR:
_requiredCLRVersion = version;
break;
default:
break;
}
}
}
if (String.IsNullOrEmpty(_requiredCLRVersion))
{
// This scenario is possible of we have a valid WPF version that we could not map to known CLR version
// We have no scheme that can reliably predict how to install future versions of the framework.
// This code prevents us from offering an FWLink or activation button for future versions of the Framework
getWinFXReq = MissingDependencyType.Others;
}
string errorTitle, errorMessage;
switch(getWinFXReq)
{
case MissingDependencyType.WinFX:
// Wrong version of Avalon is installed.
errorTitle = SR.Get(SRID.PlatformRequirementTitle);
errorMessage = SR.Get(SRID.IncompatibleWinFXText, version);
break;
case MissingDependencyType.CLR:
// Missing CLR dependency
errorTitle = SR.Get(SRID.PlatformRequirementTitle);
errorMessage = SR.Get(SRID.IncompatibleCLRText, version);
break;
default:
// All other deployment exceptions
DeploymentExceptionMapper.GetErrorTextFromException(exception, out errorTitle, out errorMessage);
break;
}
IErrorPage errorpage = null;
if (_errorPageClass != null)
{
errorpage = GetCustomPage(_errorPageAssembly, _errorPageClass) as IErrorPage;
}
// If we failed to get a custom page, or didn't even try, use our default.
if (errorpage == null)
{
//use default class
errorpage = new InstallationErrorPage() as IErrorPage;
}
errorpage.DeploymentPath = _deploymentManifest;
errorpage.ErrorTitle = errorTitle;
errorpage.ErrorText = errorMessage;
errorpage.SupportUri = supportUri;
errorpage.LogFilePath = logFilePath;
errorpage.RefreshCallback = new DispatcherOperationCallback(UserRefresh);
errorpage.GetWinFxCallback = (getWinFXReq != MissingDependencyType.Others)? new DispatcherOperationCallback(GetWinFX) : null;
errorpage.ErrorFlag = true;
BrowserWindow.Navigate(errorpage);
}
