本文整理匯總了C#中System.Windows.Threading.Dispatcher.VerifyAccess方法的典型用法代碼示例。如果您正苦於以下問題：C# Dispatcher.VerifyAccess方法的具體用法？C# Dispatcher.VerifyAccess怎麽用？C# Dispatcher.VerifyAccess使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Windows.Threading.Dispatcher的用法示例。
在下文中一共展示了Dispatcher.VerifyAccess方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: TryToUpdateButtonVerifyAccess
// Uses the Dispatcher.VerifyAccess method to determine if
// the calling thread has access to the thread the UI object is on.
private void TryToUpdateButtonVerifyAccess(object uiObject)
{
Button theButton = uiObject as Button;
if (theButton != null)
{
try
{
// Check if this thread has access to this object.
theButton.Dispatcher.VerifyAccess();
// The thread has access to the object, so update the UI.
UpdateButtonUI(theButton);
}
// Cannot access objects on the thread.
catch (InvalidOperationException e)
{
// Exception Error Message.
MessageBox.Show("Exception ToString: \n\n" + e.ToString(),
"Execption Caught! Thrown During AccessVerify().");
MessageBox.Show("Pushing job onto UI Thread Dispatcher");
// Placing job onto the Dispatcher of the UI Thread.
theButton.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
new UpdateUIDelegate(UpdateButtonUI), theButton);
}
}
}