This method cannot be called during the following events. If you want to call BringToFront and BringToBack from these events, please use the following code to avoid this.

OnInitialize

OnInitializeReady

OnInitializeReadyBefore

OnInitializeBefore

OnInitializeDone

OnTerminate

OnLogin

OnLoginStateChanged

OnHeartBeat

OnSyncEvent

Workaround code example)

event OnInitialize()
{
	this._BringToBack();
}
function _BringToBack()
{
	this.SetTimer(0, 0, 1);
}
event OnTimer(timerid,counter)
{
	this.BringToBack();
}