Changeset 7730 for branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/View

Timestamp:

04/16/12 11:56:52 (12 years ago)

Author:

sforsten

Message:

#1818: the updating of the row headers is now done in the event CellFormatting of the DataGridView, which increases the performance

File:

• branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/View/ColumnGroupView.cs (modified) (4 diffs)

branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/View/ColumnGroupView.cs

@@ -58 +58 @@
       this.dataGridView.RowHeadersWidthChanged += new EventHandler(dataGridView_RowHeadersWidthChanged);
       this.dataGridView.CellMouseEnter += new DataGridViewCellEventHandler(dataGridView_CellMouseEnter);
+      this.dataGridView.CellFormatting += new DataGridViewCellFormattingEventHandler(dataGridView_CellFormatting);
 
       //delegates for virtual mode
@@ -295 +296 @@
       }
 
-      UpdateDataGridViewHeaderCells();
       this.dataGridView.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
       this.dataGridView.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders);
@@ -311 +311 @@
       this.dataGridView.Invalidate();
       UpdateStateInformation();
-    }
-
-    private void UpdateDataGridViewHeaderCells() {
-      for (int i = 1; i <= columnGroup.RowCount; i++)
-        dataGridView.Rows[i].HeaderCell.Value = i.ToString();
     }
 
@@ -474 +469 @@
     }
 
-
+    private void dataGridView_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e) {
+      this.dataGridView.Rows[e.RowIndex].HeaderCell.Value = e.RowIndex.ToString();
+    }
 
     private string ToExcelColumnIndex(int index) {