private void HandleDropInside(IDataObject dataObj, Grid grid)
{
Guid referenceLayer = GroupData.EndLayerGuid;
LayerItem.RemoveDragEffect(grid);
if (dataObj.GetDataPresent(LayerContainerDataName))
{
HandleLayerDrop(dataObj, true, referenceLayer, true);
}
if (dataObj.GetDataPresent(LayerGroupControlDataName))
{
HandleGroupControlDrop(dataObj, referenceLayer, true, true);
}
}
private void HandleDrop(IDataObject dataObj, Grid grid, bool above)
{
Guid referenceLayer = above ? GroupData.EndLayerGuid : GroupData.StartLayerGuid;
LayerItem.RemoveDragEffect(grid);
if (dataObj.GetDataPresent(LayerContainerDataName))
{
HandleLayerDrop(dataObj, above, referenceLayer, false);
}
if (dataObj.GetDataPresent(LayerGroupControlDataName))
{
HandleGroupControlDrop(dataObj, referenceLayer, above, false);
}
}
private void Grid_Drop_Center(object sender, DragEventArgs e)
{
HandleDropInside(e.Data, (Grid)sender);
LayerItem.RemoveDragEffect(centerGrid);
}
private void Grid_CenterLeave(object sender, DragEventArgs e)
{
LayerItem.RemoveDragEffect(centerGrid);
}
private void Grid_DragLeave(object sender, DragEventArgs e)
{
Grid grid = (Grid)sender;
LayerItem.RemoveDragEffect(grid);
}