private void automation_ToolTip(object sender, AnnToolTipEventArgs e)
{
var imageViewer = _documentViewer.View.ImageViewer;
if (e.AnnotationObject == null)
{
_automationManagerHelper.SetToolTip(null, string.Empty);
return;
}
// If text, show the text value
var textObject = e.AnnotationObject as AnnTextObject;
if (textObject != null)
{
_automationManagerHelper.SetToolTip(imageViewer, textObject.Text);
return;
}
// If ruler, show its length
var rulerObject = e.AnnotationObject as AnnPolyRulerObject;
if (rulerObject != null)
{
_automationManagerHelper.SetToolTip(imageViewer, rulerObject.GetRulerLengthAsString(1));
return;
}
// If it has content, show that
if (e.AnnotationObject.Metadata.ContainsKey(AnnObject.ContentMetadataKey))
{
var content = e.AnnotationObject.Metadata[AnnObject.ContentMetadataKey];
_automationManagerHelper.SetToolTip(imageViewer, content);
return;
}
// Optionally show its name ...
/*
* var automationObject = _automationManagerHelper.AutomationManager.FindObjectById(e.AnnotationObject.Id);
* _automationManagerHelper.SetToolTip(imageViewer, automationObject.Name);
*/
}
