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//Create a Delegate that matches the Signature of the ProgressBar‘s SetValue method private
delegate void UpdateProgressBarDelegate(System.Windows.DependencyProperty dp, Object value); private
void Process() { //Configure the ProgressBar ProgressBar1.Minimum = 0; ProgressBar1.Maximum = short.MaxValue; ProgressBar1.Value = 0; //Stores the value of the ProgressBar double
value = 0; //Create a new instance of our ProgressBar Delegate that points // to the ProgressBar‘s SetValue method. var
updatePbDelegate = new
UpdateProgressBarDelegate(ProgressBar1.SetValue); //Tight Loop: Loop until the ProgressBar.Value reaches the max do { value += 1; /*Update the Value of the ProgressBar: 1) Pass the "updatePbDelegate" delegate that points to the ProgressBar1.SetValue method 2) Set the DispatcherPriority to "Background" 3) Pass an Object() Array containing the property to update (ProgressBar.ValueProperty) and the new value */ Dispatcher.Invoke(updatePbDelegate, System.Windows.Threading.DispatcherPriority.Background, new
object[] {RangeBase.ValueProperty, value}); } while
(ProgressBar1.Value <= ProgressBar1.Maximum); |
原文：http://www.cnblogs.com/wondaz/p/wpfprogressbar.html