private void OnMouseButtonStateChange(MouseEventArgs e, bool isMouseDown)
{
bool flag = true;
if (base.IsOnDropDown)
{
ToolStripDropDown currentParentDropDown = base.GetCurrentParentDropDown();
base.SupportsRightClick = currentParentDropDown.GetFirstDropDown() is ContextMenuStrip;
}
else
{
flag = !base.DropDown.Visible;
base.SupportsRightClick = false;
}
if ((e.Button == MouseButtons.Left) || ((e.Button == MouseButtons.Right) && base.SupportsRightClick))
{
if (isMouseDown && flag)
{
this.openMouseId = (base.ParentInternal == null) ? ((byte)0) : base.ParentInternal.GetMouseId();
base.ShowDropDown(true);
}
else if (!isMouseDown && !flag)
{
byte num = (base.ParentInternal == null) ? ((byte)0) : base.ParentInternal.GetMouseId();
int openMouseId = this.openMouseId;
if (num != openMouseId)
{
this.openMouseId = 0;
ToolStripManager.ModalMenuFilter.CloseActiveDropDown(base.DropDown, ToolStripDropDownCloseReason.AppClicked);
base.Select();
}
}
}
}
