protected virtual async Task CloseChildWindowAsync(IWin32Window windowHandle)
{
await Task.Run(() =>
{
IMdiChildForm mdiChildToClose = null;
foreach (IMdiChildForm mdiChild in MdiChildren)
{
if (mdiChild.WindowHandle == windowHandle)
{
mdiChildToClose = mdiChild;
break;
}
}
if (mdiChildToClose != null)
{
MdiChildren.Remove(mdiChildToClose);
mdiChildToClose.CloseWindow();
mdiChildToClose.Dispose();
}
});
}
/// <summary>
/// 如果窗体已经打开激活即可.
/// </summary>
/// <param name="mdiParent">主窗体对象引用</param>
/// <param name="formTypeName">子窗体的命名空间全名</param>
/// <returns></returns>
public static Form ActiveChildForm(Form mdiParent, string formTypeName)
{
for (int x = 0; x < mdiParent.MdiChildren.Length; x++)
{
string ss = mdiParent.MdiChildren[x].GetType().ToString().ToUpper(); //名字空间
if (ss == formTypeName.ToUpper()) //找到字窗体
{
IMdiChildForm child = mdiParent.MdiChildren[x] as IMdiChildForm;
if (child.AllowMultiInstatnce)
{
continue; //跳过窗体副本
}
mdiParent.MdiChildren[x].Activate();
return(mdiParent.MdiChildren[x]);
}
}
return(null);
}