private void UpdateAttributeWindow()
{
//如果文档为空，则返回
if (document.IsEmpty())
{
return;
}
foreach (AttributeForm AttributeWindow in AllAttWnds.Values)
{
//如果属性窗口为空，则继续
if (AttributeWindow == null)
{
continue;
}
//如果属性窗口已经释放 则继续
if (AttributeWindow.IsDisposed)
{
continue;
}
//更新数据
AttributeWindow.UpdateData();
}
////如果属性窗口为空，则返回
//if (AttributeWindow == null) return;
////如果属性窗口已经释放 则返回
//if (AttributeWindow.IsDisposed) return;
//调用属性窗口更新函数
//AttributeWindow.UpdateData();
}
public void OpenAttributeWindow(GISLayer layer)
{
AttributeForm AttributeWindow = null;
//如果属性窗口之前已经存在了，就找到它，然后移除记录，稍后统一添加
if (AllAttWnds.ContainsKey(layer))
{
AttributeWindow = AllAttWnds[layer];
AllAttWnds.Remove(layer);
}
//如果属性窗口没有初始化 则初始化
if (AttributeWindow == null)
{
AttributeWindow = new AttributeForm(layer, this);
}
//如果窗口资源被释放了 则初始化
if (AttributeWindow.IsDisposed)
{
AttributeWindow = new AttributeForm(layer, this);
}
//添加属性窗口与图层的关联记录
AllAttWnds.Add(layer, AttributeWindow);
//显示窗口属性
AttributeWindow.Show();
//如果属性窗口最小化了 令他正常显示
if (AttributeWindow.WindowState == FormWindowState.Minimized)
{
AttributeWindow.WindowState = FormWindowState.Normal;
}
//吧属性窗口放在最前端显示
AttributeWindow.BringToFront();
}
