private void dataGridSheet_MouseDown(object sender, MouseButtonEventArgs e)
{
try
{
//collect drag source
copyInfo = new CellCopyInfo();
DataGridCell cell = DataGridUtils.FindVisualParent <DataGridCell>(e.OriginalSource as UIElement);
if (e.RightButton == MouseButtonState.Pressed && null != cell)
{
DataGridUtils.FindDragSource(dataGridSheet, dataGridSheet.SelectedCells, ref copyInfo);
DataObject dataObject = new DataObject(copyInfo);
tempDragRows = new List <int>();
DragDrop.DoDragDrop(cell, dataObject, DragDropEffects.Copy);
}
}
catch (Exception ex)
{
string message = ex.Message;
}
}
private void dataGridSheet_PreviewDrop(object sender, DragEventArgs e)
{
try
{
//copy elements
if (e.AllowedEffects == DragDropEffects.Copy)
{
if (copyInfo.RowSourceStartIndex != -1 && copyInfo.ColumnSourceStartIndex != -1)
{
bool copied = DataGridUtils.CopyRowItems(dataGridSheet, copyInfo);
}
}
copyInfo = new CellCopyInfo();
DataGridUtils.PaintDragCells(dataGridSheet, copyInfo, false);
}
catch (Exception ex)
{
string message = ex.Message;
}
}
