private void searchInitialized(ProviderEventArgs e)
{
if (this.Dispatcher.Thread != System.Threading.Thread.CurrentThread) {
searchInitialized_Callback bR = new searchInitialized_Callback(searchInitialized);
this.Dispatcher.Invoke(bR, new Object[] { e });
return;
}
//
imgCurrentProvider.Source = this.getBitmapSource(e.Image);
//
lMessage.Content = "Suche wird durchgeführt";
}
private void providers_ProviderAvailabilityChanged(Object sender, ProviderEventArgs e)
{
try {
if (this.Dispatcher.Thread != System.Threading.Thread.CurrentThread) {
providers_ProviderAvailabilityChangedCallback bR = new providers_ProviderAvailabilityChangedCallback(providers_ProviderAvailabilityChanged);
this.Dispatcher.Invoke(bR, new object[] { sender, e });
return;
}
//
StackPanel newPanel = e.IsAvailable ? stackIcons : stackInactiveIcons;
StackPanel oldPanel = e.IsAvailable ? stackInactiveIcons : stackIcons;
//
List<UIElement> itemListToRemove = new List<UIElement>();
// append to remove list
foreach (System.Windows.Controls.Image currentBox in oldPanel.Children) {
//log.Debug("old panel " + e.Name + " " + currentBox.Tag + " " + this.Dispatcher.Thread.ManagedThreadId);
if (String.Compare(currentBox.Tag.ToString(), e.Name, true) == 0) {
itemListToRemove.Add(currentBox);
}
}
// append to remove list
foreach (System.Windows.Controls.Image currentBox in newPanel.Children) {
//log.Debug("old panel " + e.Name + " " + currentBox.Tag + " " + this.Dispatcher.Thread.ManagedThreadId);
if (String.Compare(currentBox.Tag.ToString(), e.Name, true) == 0) {
itemListToRemove.Add(currentBox);
}
}
// remove ui elements from stackpanel
foreach (UIElement uiElem in itemListToRemove) {
oldPanel.Children.Remove(uiElem);
newPanel.Children.Remove(uiElem);
}
//
System.Drawing.Image img = e.Image;
if (!e.IsAvailable) {
img = this.getGrayscale(new Bitmap(img));
}
//
System.Windows.Controls.Image imgControl = new System.Windows.Controls.Image();
imgControl.Tag = e.Name;
imgControl.Width = 15;
imgControl.Height = 15;
imgControl.Margin = new Thickness(0, 0, 10, 0);
imgControl.Source = this.getBitmapSource(img);
//
newPanel.Children.Add(imgControl);
//
txtSearch.Focusable = newPanel.Children.Count > 0;
if (txtSearch.Focusable) {
txtSearch.Focus();
}
txtSearch.Background = txtSearch.Focusable ? System.Windows.Media.Brushes.White : System.Windows.Media.Brushes.LightGray;
} catch (Exception ex) {
log.Error(ex, ex);
}
}
