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[英]TableLayoutPanel with nested autosized user controls performance issue
[英]Issue while creating Nested TableLayoutPanel
我嘗試實現嵌套的TableLayoutPanel。 我嘗試在父TableLayoutPanel內部動態創建/加載子TableLayoutPanel。 為此,我采用父TableLayoutPanel並從Visual Studio工具箱中繪制它。 一個動態創建子TableTablePanel的DropDownList當選定的索引更改被觸發時,我為dropdownlist分配了一些值,例如2 * 2,2 * 3,3 * 3,4 * 4繪制了子TableLayoutPanel。 我的代碼如下
private void cmbRowsColumns_SelectedIndexChanged(object sender, EventArgs e)
{
var selectedPair = new KeyValuePair<string, string>();
selectedPair = (KeyValuePair<string, string>)cmbRowsColumns.SelectedItem;
string[] rowcolumn = selectedPair.Value.Split('*');
string strRowCount = rowcolumn[0];
int rowCount = Convert.ToInt32(strRowCount);
string strColumnCount = rowcolumn[1];
int columnCount = Convert.ToInt32(strColumnCount);
DynamicallyGenerateColumn(rowCount, columnCount);
}
private void DynamicallyGenerateColumn(int rowCount, int columnCount)
{
parentTableLayoutPanel.Controls.Clear();
parentTableLayoutPanel.ColumnStyles.Clear();
parentTableLayoutPanel.RowStyles.Clear();
parentTableLayoutPanel.ColumnCount = columnCount;
parentTableLayoutPanel.RowCount = rowCount;
for (int i = 0; i < columnCount; i++)
{
parentTableLayoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.AutoSize));
for (int j = 0; j < rowCount; j++)
{
if (i == 0)
{
parentTableLayoutPanel.RowStyles.Add(new RowStyle(SizeType.AutoSize));
}
TableLayoutPanel objTableLayoutPanel = new TableLayoutPanel();
parentTableLayoutPanel.Controls.Add(objTableLayoutPanel, i, j);
}
}
}
但實際上問題是當我創建子TableLayoutPanel時格式不正確
我想您想填充每個子面板,因此需要添加objTableLayoutPanel.Dock=DockStyle.Fill;
TableLayoutPanel objTableLayoutPanel = new TableLayoutPanel();
objTableLayoutPanel.Dock = DockStyle.Fill;
parentTableLayoutPanel.Controls.Add(objTableLayoutPanel, i, j);
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