} //GetTableElement
/// <summary>
/// Get selected or parent table
/// </summary>
/// <returns>null if not found</returns>
public HtmlTable GetTableElement()
{
// define the table and row elements and obtain there values
HtmlTable table = null;
HtmlTextRange range = SelectionHelper.GetTextRange(Document);
// first see if the table element is selected
table = SelectionHelper.GetFirstControl(Document) as HtmlTable;
// if table not selected then parse up the selection tree
if (table == null && range != null)
{
HtmlElement element = (HtmlElement)range.parentElement();
// parse up the tree until the table element is found
while (element != null && table == null)
{
if (element is HtmlTable)
{
table = (HtmlTable)element;
}
element = (HtmlElement)element.parentElement;
}
}
// return the defined table element
return(table);
}
// determine if the current selection is a table
// return the table element
private void GetTableElement(out HtmlTable table, out HtmlTableRow row, out HtmlTableCell cell)
{
table = null;
row = null;
cell = null;
HtmlTextRange range = SelectionHelper.GetTextRange(Document);
try
{
// first see if the table element is selected
table = SelectionHelper.GetFirstControl(Document) as HtmlTable;
// if table not selected then parse up the selection tree
if (table == null && range != null)
{
HtmlElement element = (HtmlElement)range.parentElement();
// parse up the tree until the table element is found
while (element != null && table == null)
{
if (element is HtmlTable)
{
table = (HtmlTable)element;
}
else if (element is HtmlTableRow)
{
row = (HtmlTableRow)element;
}
else if (element is HtmlTableCell)
{
cell = (HtmlTableCell)element;
}
element = (HtmlElement)element.parentElement;
}
}
}
catch (Exception)
{
// have unknown error so set return to null
table = null;
row = null;
cell = null;
}
} //GetTableElement
public static bool IsPlaceholder(mshtml.IHTMLTxtRange rng, bool atomic = false)
{
if (rng == null)
{
return(false);
}
string unused;
if (!ParsePlaceholder(rng.text, out unused))
{
return(false);
}
if (!atomic)
{
return(true);
}
return(IsPlaceholder(rng.parentElement(), atomic));
}