private void UpdateMetadata()
{
var metadata = CreateMetadata();
if (Metadata != null && Metadata == metadata)
{
return;
}
using (_updateMonitor.Enter())
Metadata = metadata;
}
public GridMetadata CreateMetadata()
{
var metadata = new GridMetadata();
var grid = AssociatedObject.Parent as Grid;
if (grid == null)
{
return(metadata);
}
double totalWidth = grid.ActualWidth;
double totalHeight = grid.ActualHeight;
int splitterColumn = Grid.GetColumn(AssociatedObject);
int splitterRow = Grid.GetRow(AssociatedObject);
for (int index = 0; index < grid.ColumnDefinitions.Count; index++)
{
var definition = grid.ColumnDefinitions[index];
double width = definition.ActualWidth;
if (splitterColumn != index)
{
width = (width / totalWidth) * 100;
}
metadata.ColumnWidths.Add(width);
}
for (int index = 0; index < grid.RowDefinitions.Count; index++)
{
var definition = grid.RowDefinitions[index];
double height = definition.ActualHeight;
if (splitterRow != index)
{
height = (height / totalHeight) * 100;
}
metadata.RowHeights.Add(height);
}
return(metadata);
}