/// <summary>
/// Resize the summary Boxes (depending on the width of the Columns of the DataGridView)
/// 调整统计文本框大小（取决于数据表的列宽）
/// </summary>
private void resizeSumBoxes()
{
this.SuspendLayout();
if (sumBoxHash != null && sumBoxHash.Count > 0)
{
try
{
int rowHeaderWidth = dgv.RowHeadersVisible ? dgv.RowHeadersWidth - 1 : 0;
int sumLabelWidth = dgv.RowHeadersVisible ? dgv.RowHeadersWidth - 1 : 0;
int curPos = rowHeaderWidth;
if (dgv.DisplaySumRowHeader && sumLabelWidth > 0)
{
if (!sumRowHeaderLabel.Visible)
{
sumRowHeaderLabel.Visible = true;
}
sumRowHeaderLabel.Width = sumLabelWidth;
if (dgv.RightToLeft == RightToLeft.Yes)
{
if (sumRowHeaderLabel.Dock != DockStyle.Right)
{
sumRowHeaderLabel.Dock = DockStyle.Right;
}
}
else
{
if (sumRowHeaderLabel.Dock != DockStyle.Left)
{
sumRowHeaderLabel.Dock = DockStyle.Left;
}
}
}
else
{
if (sumRowHeaderLabel.Visible)
{
sumRowHeaderLabel.Visible = false;
}
}
int iCnt = 0;
Rectangle oldBounds;
foreach (DataGridViewColumn dgvColumn in SortedColumns) //dgv.Columns)
{
ReadOnlyTextBox sumBox = (ReadOnlyTextBox)sumBoxHash[dgvColumn];
if (sumBox != null)
{
oldBounds = sumBox.Bounds;
if (!dgvColumn.Visible)
{
sumBox.Visible = false;
continue;
}
int from = dgvColumn.Frozen ? curPos : curPos - dgv.HorizontalScrollingOffset;
int width = dgvColumn.Width + (iCnt == 0 ? 0 : 0);
if (from < rowHeaderWidth)
{
width -= rowHeaderWidth - from;
from = rowHeaderWidth;
}
if (from + width > this.Width)
{
width = this.Width - from;
}
if (width < 4)
{
if (sumBox.Visible)
{
sumBox.Visible = false;
}
}
else
{
if (this.RightToLeft == RightToLeft.Yes)
{
from = this.Width - from - width;
}
if (sumBox.Left != from || sumBox.Width != width)
{
sumBox.SetBounds(from, 0, width, 0, BoundsSpecified.X | BoundsSpecified.Width);
}
if (!sumBox.Visible)
{
sumBox.Visible = true;
}
}
curPos += dgvColumn.Width + (iCnt == 0 ? 0 : 0);
if (oldBounds != sumBox.Bounds)
{
sumBox.Invalidate();
}
}
iCnt++;
}
}
finally
{
this.ResumeLayout();
}
}
}
