private void InternalSetTriState(TriState state)
{
ThreeStateTreeView treeView = base.TreeView as ThreeStateTreeView;
if (treeView != null)
{
WinFormsUI.Controls.NativeMethods.TVITEM lParam = new WinFormsUI.Controls.NativeMethods.TVITEM {
mask = 24,
hItem = base.Handle,
stateMask = 61440
};
switch (state)
{
case TriState.Unchecked:
lParam.state |= 4096;
break;
case TriState.Checked:
lParam.state |= 8192;
break;
case TriState.Indeterminate:
lParam.state |= 12288;
break;
default:
throw new ArgumentOutOfRangeException("state");
}
WinFormsUI.Controls.NativeMethods.SendMessage(new HandleRef(base.TreeView, base.TreeView.Handle), 4365, 0, ref lParam);
treeView.TreeViewAfterTriStateUpdate(this);
}
}
public void SetNodeText(string sNodeText)
{
ThreeStateTreeView treeView = base.TreeView as ThreeStateTreeView;
if (treeView != null)
{
WinFormsUI.Controls.NativeMethods.TVITEM lParam = new WinFormsUI.Controls.NativeMethods.TVITEM {
mask = 17,
hItem = base.Handle,
pszText = Marshal.StringToHGlobalAnsi(sNodeText)
};
WinFormsUI.Controls.NativeMethods.SendMessage(new HandleRef(base.TreeView, base.TreeView.Handle), 4365, 0, ref lParam);
treeView.TreeViewAfterTriStateUpdate(this);
}
}
private string GetSelectedCarValue(string sGetType, ThreeStateTreeView tvThreeState)
{
string sCarValues = "";
foreach (ThreeStateTreeNode node in tvThreeState.SelectedNodes)
{
TreeNode item = node;
bool flag = false;
while (item.Parent != null)
{
item = item.Parent;
if (tvThreeState.SelectedNodes.Contains(item))
{
flag = true;
break;
}
}
if (flag)
{
continue;
}
if (!node.Tag.Equals("CAR"))
{
this.GetChildValue(sGetType, node, ref sCarValues);
continue;
}
string str2 = "";
string str3 = sGetType;
if (str3 != null)
{
if (!(str3 == "CarNum"))
{
if (str3 == "CarId")
{
str2 = node.CarId + ",";
}
if (str3 == "SimNum")
{
str2 = node.SimNum + ",";
}
}
else
{
str2 = node.CarNum + ",";
}
}
sCarValues = sCarValues + str2;
continue;
}
return sCarValues.Trim(new char[] { ',' });
}