protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if(keyData == Keys.Left)
{
if(selectedColumn > 0)
selectedColumn--;
Redraw();
return true;
}
else if(keyData == Keys.Right)
{
if(selectedColumn < intValue.ToString().Length)
selectedColumn++;
Redraw();
return true;
}
else if(keyData == Keys.Up || keyData == Keys.Down)
{
string numberString = intValue.ToString();
if(selectedColumn >= 0)
{
char columnChar = '0';
if(selectedColumn < numberString.Length)
columnChar = numberString[selectedColumn];
else
{
numberString += "0";
}
if(Char.IsNumber(columnChar))
{
int newValue = Convert.ToInt32(columnChar.ToString());
if(keyData == Keys.Up)
newValue++;
else
newValue--;
if(newValue > 9)
newValue = 0;
else if(newValue < 0)
newValue = 9;
numberString = numberString.Remove(selectedColumn, 1);
numberString = numberString.Insert(selectedColumn, newValue.ToString());
SetStringValue(numberString);
}
}
return true;
}
else
return base.ProcessCmdKey(ref msg, keyData);
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if(popupWindow.Visible && listBox.Items.Count > 0)
{
if(keyData == Keys.Up)
{
if(listBox.SelectedIndex <= 0)
listBox.SelectedIndex = listBox.Items.Count - 1;
else
listBox.SelectedIndex--;
return true;
}
else if(keyData == Keys.Down)
{
if(listBox.SelectedIndex >= listBox.Items.Count - 1)
listBox.SelectedIndex = 0;
else
listBox.SelectedIndex++;
return true;
}
}
return base.ProcessCmdKey (ref msg, keyData);
}
/// <summary>
/// 判断是否是enter按键
/// </summary>
private bool IsTerminatorKey(Keys key)
{
return key == Keys.Enter;
}