private void FillTreeview(SampleViewModel parentSample = null, TreeNodeCollection parentChildNodes = null)
{
if (parentSample is null)
{
parentSample = SampleViewModel;
TreeNode parentTreeNode = new TreeNode(parentSample.Name, 0, 0);
treeView1.Nodes.Add(parentTreeNode);
parentChildNodes = parentTreeNode.Nodes;
}
foreach (SampleViewModel childSample in parentSample)
{
int imageIndex = 0;
int selectedImageIndex = 0;
switch (childSample.SampleType)
{
case SampleType.Engine:
imageIndex = selectedImageIndex = 2;
break;
case SampleType.Windows:
imageIndex = selectedImageIndex = 3;
break;
default: //Category
break;
}
var childTreeNode = new TreeNode(childSample.Name, imageIndex, selectedImageIndex);
parentChildNodes.Add(childTreeNode);
FillTreeview(childSample, childTreeNode.Nodes);
childTreeNode.Expand();
}
if (parentSample is SampleViewModel)
{
treeView1.Nodes[0].Expand();
}
}
private void InitializeViewModel()
{
SampleViewModel category1 = new SampleViewModel("category1", SampleType.Category);
for (int i = 1; i < 5; i++)
{
category1.Add(new SampleViewModel("category1-item-" + i, SampleType.Engine));
}
SampleViewModel category2 = new SampleViewModel("category2", SampleType.Category);
for (int i = 1; i < 4; i++)
{
category2.Add(new SampleViewModel("category2-item-" + i, SampleType.Windows));
}
SampleViewModel category3 = new SampleViewModel("category3", SampleType.Category);
for (int i = 1; i < 7; i++)
{
category3.Add(new SampleViewModel("category3-item-" + i, SampleType.Windows));
}
SampleViewModel category4 = new SampleViewModel("category4", SampleType.Category);
for (int i = 1; i < 3; i++)
{
category4.Add(new SampleViewModel("category4-item-" + i, SampleType.Engine));
}
SampleViewModel = new SampleViewModel("Root node", SampleType.Category);
SampleViewModel.Add(category1);
SampleViewModel.Add(category2);
SampleViewModel.Add(category3);
SampleViewModel.Add(category4);
}
