摘要：
//此子窗体将启动或关闭此事件。MdiChildActivate+=新事件处理程序（FMzMain_MdiChildActivate）；privatevoidFMzMain_MdiChilddActivate（objectsender，EventArgse）｛//如果（this.MdiChildren.Length˃0&&
//子表單啟動或關閉事件
this.MdiChildActivate += new EventHandler(FMzMain_MdiChildActivate);
this.MdiChildActivate += new EventHandler(FMzMain_MdiChildActivate);
private void FMzMain_MdiChildActivate(object sender, EventArgs e)
{
//判斷是否有子窗體並且是否是當前窗體（當關閉時，當前窗體為空）
if (this.MdiChildren.Length > 0 && this.ActiveMdiChild != null)
{
CheckButtonOperateEnable();
}
else
{
CheckButtonOperateDisalbe();
}
}
{
//判斷是否有子窗體並且是否是當前窗體（當關閉時，當前窗體為空）
if (this.MdiChildren.Length > 0 && this.ActiveMdiChild != null)
{
CheckButtonOperateEnable();
}
else
{
CheckButtonOperateDisalbe();
}
}
/// <summary>
/// 開啟排列視窗按鈕
/// scott 20070829
/// </summary>
public void CheckButtonOperateEnable()
{
//啟用排列視窗 scott 20070829
tsmArrangeWdw.Enabled = true;
}
/// <summary>
/// 關閉排列視窗按鈕
/// scott 20070829
/// </summary>
public void CheckButtonOperateDisalbe()
{
//禁用排列視窗 scott 20070829
tsmArrangeWdw.Enabled = false;
}
/// 開啟排列視窗按鈕
/// scott 20070829
/// </summary>
public void CheckButtonOperateEnable()
{
//啟用排列視窗 scott 20070829
tsmArrangeWdw.Enabled = true;
}
/// <summary>
/// 關閉排列視窗按鈕
/// scott 20070829
/// </summary>
public void CheckButtonOperateDisalbe()
{
//禁用排列視窗 scott 20070829
tsmArrangeWdw.Enabled = false;
}