| public static GetToolTip ( [ element ) : object | ||
| element | [ | |
| return | object | |
void SuggestedToolTipChanged(object newContent)
{
var potentialString = newContent;
bool stringableToolTip = potentialString is string;
object newToolTipContent = null;
if (stringableToolTip)
{
newToolTipContent = newContent;
}
// Both customer and NavigationViewItem can update ToolTipContent by ToolTipService.SetToolTip or XAML
// If the ToolTipContent is not the same as m_suggestedToolTipContent, then it's set by customer.
// Customer's ToolTip take high priority, and we never override Customer's ToolTip.
var toolTipContent = ToolTipService.GetToolTip(this);
var oldToolTipContent = m_suggestedToolTipContent;
if (oldToolTipContent != null)
{
if (oldToolTipContent == toolTipContent)
{
ToolTipService.SetToolTip(this, null);
}
}
m_suggestedToolTipContent = newToolTipContent;
}
internal static void BindToDescriptionPropertiesIfUnset(
XamlUICommand uiCommand,
FrameworkElement target)
{
string localHelpText = AutomationProperties.GetHelpText(target);
if (localHelpText == null || string.IsNullOrEmpty(localHelpText))
{
target.SetBinding(AutomationProperties.HelpTextProperty, new Binding {
Path = "Description", Source = uiCommand
});
}
object localToolTipAsI;
localToolTipAsI = ToolTipService.GetToolTip(target);
string localToolTipAsString = null;
ToolTip localToolTip = null;
if (localToolTipAsI != null)
{
localToolTipAsString = localToolTipAsI.ToString();
localToolTip = localToolTipAsI as ToolTip;
}
if ((localToolTipAsString == null || string.IsNullOrEmpty(localToolTipAsString)) && localToolTip == null)
{
target.SetBinding(ToolTipService.ToolTipProperty, new Binding {
Path = "Description", Source = uiCommand
});
}
}
void UpdateNavigationViewItemToolTip()
{
var toolTipContent = ToolTipService.GetToolTip(this);
// no custom tooltip, then use suggested tooltip
if (toolTipContent == null || toolTipContent == m_suggestedToolTipContent)
{
if (ShouldEnableToolTip())
{
ToolTipService.SetToolTip(this, m_suggestedToolTipContent);
}
else
{
ToolTipService.SetToolTip(this, null);
}
}
}