private void textBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control && e.KeyCode == Keys.A)
textBox.SelectAll();
}
なんで標準で入ってないんでしょうね…
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private void textBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control && e.KeyCode == Keys.A)
textBox.SelectAll();
}
なんで標準で入ってないんでしょうね…
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