protected override void OnMouseDown(DataGridViewCellMouseEventArgs e)
{
if (e.Location.X <= base.InheritedStyle.Padding.Left)
{
TreeGridNode owningNode = this.OwningNode;
if (owningNode != null)
{
if ((this.IsHaveCheckBox && (e.Location.X > ((base.InheritedStyle.Padding.Left - this.ImageWidth) - this.CheckSize))) && this.DrawCheckBox)
{
if (owningNode._CheckState == CheckState.Unchecked)
{
owningNode._CheckState = CheckState.Checked;
}
else
{
owningNode._CheckState = CheckState.Unchecked;
}
this._RunCheckLate = true;
owningNode.BaseTGV.RefreshCheckStatus(owningNode, true, false);
}
else
{
owningNode.BaseTGV.InExpandCollapseMouseCapture = true;
if (owningNode.IsExpanded)
{
owningNode.Collapse();
}
else
{
owningNode.Expand();
}
}
}
}
}
private void SetChildrenCheckStatus(TreeGridNode node, CheckState pCheckState, bool pChange = false)
{
if (node != null)
{
if (node.HasChildren || this.VirtualNodes)
{
if (pChange)
{
this.InExpandCollapseMouseCapture = true;
if (pCheckState == CheckState.Unchecked)
{
node.Collapse();
}
else
{
node.Expand();
}
}
}
else
{
TreeGridNodeEventBase e = new TreeGridNodeEventBase(node);
this.OnCheckedChanged(this, e);
}
base.Invalidate();
foreach (TreeGridNode node2 in node.Nodes)
{
node2._CheckState = pCheckState;
this.SetChildrenCheckStatus(node2, pCheckState, pChange);
}
}
}
protected override void OnMouseDoubleClick(DataGridViewCellMouseEventArgs e)
{
if (e.Location.X > base.InheritedStyle.Padding.Left)
{
TreeGridNode owningNode = this.OwningNode;
if (owningNode != null)
{
if (owningNode.HasChildren || owningNode.BaseTGV.VirtualNodes)
{
owningNode.BaseTGV.InExpandCollapseMouseCapture = true;
if (owningNode.IsExpanded)
{
owningNode.Collapse();
}
else
{
owningNode.Expand();
}
}
else
{
if (owningNode._CheckState == CheckState.Unchecked)
{
owningNode._CheckState = CheckState.Checked;
}
else
{
owningNode._CheckState = CheckState.Unchecked;
}
owningNode.BaseTGV.RefreshCheckStatus(owningNode, true, false);
}
}
}
}
