private static void BindSource(FImage img)
{
var value = img.Source;
if (value.IsInvalid())
{
return;
}
if (value.Length == 1)
{
img.FIcon.Text = value;
return;
}
img.Dispatcher.BeginInvoke(new Action(() =>
{
try
{
var path = value.TrimStart(' ', '/', '\\');
//如果是相对路径则转换为绝对路径
if (!Path.IsPathRooted(path))
{
path = File.GetPhysicalPath(path);
}
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.UriSource = new Uri(path);
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.EndInit();
img.Image.Source = bitmapImage;
}
catch { }
}), DispatcherPriority.ApplicationIdle);
}
/// <summary>
/// 属性更改处理事件
/// </summary>
private static void OnSourcePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
FImage img = sender as FImage;
if (img == null)
{
return;
}
if (!img.IsLoaded)
{
return;
}
BindSource(img);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.uc = ((XLY.Framework.Controls.FImage)(target));
return;
case 2:
this.Icon = ((System.Windows.Controls.TextBlock)(target));
return;
case 3:
this.img = ((System.Windows.Controls.Image)(target));
return;
}
this._contentLoaded = true;
}