protected override void OnMouseMove(MouseEventArgs e)
{
ToolboxItemBase item = HitTest(e.Location);
if (e.Button == MouseButtons.Left && item is ToolboxItem)
{
ToolboxItem toolboxItem = item as ToolboxItem;
if (toolboxItem.TypeInfo != null)
{
this.DoDragDrop(toolboxItem.TypeInfo, DragDropEffects.Copy);
}
}
else
{
if (item != null && item.MouseOver == false)
{
if (_currentMouseOverItem != null)
{
_currentMouseOverItem.MouseOver = false;
Invalidate(GetItemRect(_currentMouseOverItem));
}
item.MouseOver = true;
Invalidate(GetItemRect(item));
_currentMouseOverItem = item;
}
}
base.OnMouseMove(e);
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
if (_currentMouseOverItem != null)
{
_currentMouseOverItem.MouseOver = false;
Invalidate(GetItemRect(_currentMouseOverItem));
_currentMouseOverItem = null;
}
}
private bool PointOverToolboxItem(Point point, ToolboxItemBase item)
{
if (item.Top == -1)
{
return(false);
}
if (point.Y >= item.Top && point.Y <= item.Top + 18)
{
return(true);
}
return(false);
}
protected override void OnMouseDown(MouseEventArgs e)
{
ToolboxItemBase item = HitTest(e.Location);
if (item is ToolboxItem)
{
ItemMouseDown(item as ToolboxItem);
}
else if (item is ToolboxGroup)
{
GroupMouseDown(item as ToolboxGroup);
}
base.OnMouseDown(e);
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
if(_currentMouseOverItem!=null)
{
_currentMouseOverItem.MouseOver=false;
Invalidate(GetItemRect(_currentMouseOverItem));
_currentMouseOverItem=null;
}
}
private bool PointOverToolboxItem(Point point, ToolboxItemBase item)
{
if(item.Top==-1)
{
return false;
}
if(point.Y>=item.Top&&point.Y<=item.Top+18)
{
return true;
}
return false;
}
private Rectangle GetItemRect(ToolboxItemBase item)
{
return new Rectangle(0, item.Top, this.Width, 19);
}
protected override void OnMouseMove(MouseEventArgs e)
{
ToolboxItemBase item=HitTest(e.Location);
if(e.Button==MouseButtons.Left&&item is ToolboxItem)
{
ToolboxItem toolboxItem=item as ToolboxItem;
if(toolboxItem.TypeInfo!=null)
{
this.DoDragDrop(toolboxItem.TypeInfo, DragDropEffects.Copy);
}
}
else
{
if(item!=null&&item.MouseOver==false)
{
if(_currentMouseOverItem!=null)
{
_currentMouseOverItem.MouseOver=false;
Invalidate(GetItemRect(_currentMouseOverItem));
}
item.MouseOver=true;
Invalidate(GetItemRect(item));
_currentMouseOverItem=item;
}
}
base.OnMouseMove(e);
}
private Rectangle GetItemRect(ToolboxItemBase item)
{
return(new Rectangle(0, item.Top, this.Width, 19));
}
