public GridWalker(Grid grid, Segment[,] rowMatrix, Segment[,] colMatrix)
{
foreach (UIElement child in VisualTreeHelper.GetChildren(grid))
{
bool starCol = false;
bool starRow = false;
bool autoCol = false;
bool autoRow = false;
int col = Math.Min(Grid.GetColumn(child), colMatrix.GetUpperBound(0));
int row = Math.Min(Grid.GetRow(child), rowMatrix.GetUpperBound(0));
int colspan = Math.Min(Grid.GetColumnSpan(child), colMatrix.GetUpperBound(0));
int rowspan = Math.Min(Grid.GetRowSpan(child), rowMatrix.GetUpperBound(0));
for (int r = row; r < row + rowspan; r++)
{
starRow |= rowMatrix[r, r].Type == GridUnitType.Star;
autoRow |= rowMatrix[r, r].Type == GridUnitType.Auto;
}
for (int c = col; c < col + colspan; c++)
{
starCol |= colMatrix[c, c].Type == GridUnitType.Star;
autoCol |= colMatrix[c, c].Type == GridUnitType.Auto;
}
this.HasAutoAuto |= autoRow && autoCol && !starRow && !starCol;
this.HasStarAuto |= starRow && autoCol;
this.HasAutoStar |= autoRow && starCol;
}
}
