private void tSB_设备管理_Click(object sender, EventArgs e)
{
F_DeviceManage f_DeviceManage = F_DeviceManage.GetInstance();
f_DeviceManage.Show(dockPanel1);
f_DeviceManage.DockTo(dockPanel1, DockStyle.Left);//左边停靠
}
/// <summary>
/// 获取设备管理的实例
/// </summary>
/// <returns></returns>
public static F_DeviceManage GetInstance()
{
if (Instance == null)
{
Instance = new F_DeviceManage();
}
return(Instance);
}
private void tSBtn_设备管理_Click(object sender, EventArgs e)
{
//若设备管理窗口没有实例化或已经被释放（关闭了）
if (f_DeviceManage == null || f_DeviceManage.IsDisposed == true)
{
f_DeviceManage = F_DeviceManage.GetInstance();
f_DeviceManage.Show(dockPanel1);
f_DeviceManage.DockTo(dockPanel1, DockStyle.Left);//左边停靠
}
}
private void F_DeviceManage_FormClosing(object sender, FormClosingEventArgs e)
{
Instance = null; // 否则下次打开时报错，提示“无法访问已释放对象”
}
private void F_Main_Load(object sender, EventArgs e)
{
f_DeviceManage = F_DeviceManage.GetInstance();
f_DeviceManage.Show(dockPanel1);
f_DeviceManage.DockTo(dockPanel1, DockStyle.Left);//左边停靠
}