/// <summary>
/// Window Procedure: Processes all Window messages looking for a registered
/// message and calls the associated msg handler (delegate).
/// </summary>
/// <param name="m"></param>
protected override void WndProc(ref Message m)
{
MsgTrap msgTrap = new MsgTrap(m.Msg, null);
int num = this.msgTrapList.BinarySearch(0, this.msgTrapList.Count, msgTrap, MsgTrap.sortMsg());
if (num < 0)
{
base.WndProc(ref m);
return;
}
msgTrap = (MsgTrap)this.msgTrapList[num];
msgTrap.InvokeHandler(ref m);
}
/// <summary>
/// Registers a new Message to the trapped and its associated handler (delegate)
/// </summary>
/// <param name="msg">Windows message number to trap</param>
/// <param name="WM_Handler">Handler to invoke. Null=Unregister</param>
public bool AddHandler(int msg, WM_Delegate WM_Handler)
{
MsgTrap msgTrap = new MsgTrap(msg, WM_Handler);
if (this.msgTrapList.Contains(msgTrap))
{
return false;
}
if (WM_Handler != null)
{
this.msgTrapList.Add(msgTrap);
}
else
{
this.msgTrapList.Remove(msgTrap);
}
return true;
}