csharp key press event

csharp key press event

Guide

MainForm

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protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
//System.Console.WriteLine("ProcessCmdKey " + cur_image_id);

//capture up arrow key
if (keyData == Keys.Left)
{
//this.button_prev.PerformClick();
button_prev_click();

return true;
}
else if (keyData == Keys.Right)
{
//System.Console.WriteLine("Enter "+cur_image_id);

//this.button_ok.PerformClick();
button_ok_click();

return true;
}

return base.ProcessCmdKey(ref msg, keyData); // trigger 2 button_ok_click
}

TextBox

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private void textBox_index_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
//enter key is down
button_goto_click();
}
}

Reference

History

  • 20190919: created.
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