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分享 private void button1_Click(object sender, RoutedEventArgs e)
{
TextBox txtbox = new TextBox() { Width = 250, Height = 23 };
txtbox.Text = expanders.Header.ToString();
//txtbox.SelectAll();
//txtbox.Focus();
expanders.Header = txtbox;
}
TextBox txtbox = null;
private void button1_Click(object sender, RoutedEventArgs e)
{
txtbox = new TextBox() { Width = 250, Height = 23 };
txtbox.Text = expanders.Header.ToString();
expanders.Header = txtbox;
txtbox.Loaded += new RoutedEventHandler(txtbox_Loaded);
}
void txtbox_Loaded(object sender, RoutedEventArgs e)
{
txtbox.SelectAll();
txtbox.Focus();
}
<Expander>
<Expander.Header>
<TextBox Name="tbHeader" Text="这里啊"/>
</Expander.Header>
</Expander>
tbHeader.Focus();
TextBox txtbox = new TextBox() { Width = 250, Height = 23 };TextBox txtbox = sender as TextBox