private void btnYayinevi_Click(object sender, EventArgs e)
{
if (_yayinevi.pointer == null)
{
_yayinevi yayinevi = new _yayinevi();
yayinevi.ShowDialog();
}
else
{
_yayinevi.pointer.ShowDialog();
}
}
public _yayinevi()
{
pointer = this;
InitializeComponent();
}
