private void panel2_DragEnter(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(MatrixGrid)))
{
return;
}
var grid = (MatrixGrid)e.Data.GetData(typeof(MatrixGrid));
var t = grid.side;
if (sender == workingPanelLeft)
{
if (leftNotNull)
{
OperationController <int> .DeleteArgument(this, WorkingPanelSide.Left);
}
leftNotNull = true;
OperationController <int> .ExecuteDragDrop(WorkingPanelSide.Left, grid, this);
}
else if (sender == workingPanelRight)
{
if (rightNotNull)
{
OperationController <int> .DeleteArgument(this, WorkingPanelSide.Right);
}
rightNotNull = true;
OperationController <int> .ExecuteDragDrop(WorkingPanelSide.Right, grid, this);
}
else if (sender == MatrixController <int> .panel)
{
MatrixController <int> .ExecuteDragDrop(grid);
}
MatrixController <int> .panel.AllowDrop = true;
workingPanelLeft.AllowDrop = true;
workingPanelRight.AllowDrop = true;
resultPanel.AllowDrop = true;
argumentsChanged.Invoke(this, null);
}
