public int GetListboxWidth()
{
PropertyValue unitValue = _ownerPropertyEnum.Property.GetValue(PropertyUnitLook.UnitValue);
string[] units = unitValue.GetDisplayedValues();
Graphics graphics = CreateGraphics();
int maxWidth = 0;
foreach (string unit in units)
{
Size size = Win32Calls.GetTextExtent(graphics, unit, Font);
if (size.Width > maxWidth)
{
maxWidth = size.Width;
}
}
int buttonWidth = GetButtonWidth(graphics);
int width = maxWidth + 2 * _ownerPropertyEnum.Property.ParentGrid.GlobalTextMargin + buttonWidth;
graphics.Dispose();
if (width > ClientRectangle.Width - buttonWidth - 20)
{
width = ClientRectangle.Width - buttonWidth - 20;
}
if (width < buttonWidth)
{
width = buttonWidth;
}
return(width);
}
protected void ProcessArrowKey(Keys key, bool rotate)
{
PropertyValue unitValue = _ownerPropertyEnum.Property.GetValue(PropertyUnitLook.UnitValue);
object[] displayStrings = unitValue.GetDisplayedValues();
int index = -1;
if (unitValue.HasMultipleValues)
{
if (key == Keys.Up)
{
index = displayStrings.Length - 1;
}
else if (key == Keys.Down)
{
index = 0;
}
}
else
{
for (int i = 0; i < displayStrings.Length; i++)
{
if (ListText.Equals(displayStrings[i]))
{
if ((key == Keys.Up) && (i > 0))
{
index = i - 1;
}
else if ((key == Keys.Up) && rotate)
{
index = displayStrings.Length - 1;
}
else if ((key == Keys.Down) && (i < displayStrings.Length - 1))
{
index = i + 1;
}
else if ((key == Keys.Down) && rotate)
{
index = 0;
}
break;
}
}
}
if (index != -1)
{
ListText = displayStrings[index].ToString();
if (RealtimeChange)
{
CommitListChanges();
}
}
}
public void InitializeContent(PropertyEnumerator propEnum, string currentValue, object valueKey)
{
_ownerPropertyEnumerator = propEnum;
int width = 0;
_propValue = (valueKey == null ? propEnum.Property.Value : propEnum.Property.GetValue(valueKey));
Graphics graphics = CreateGraphics();
object[] displayedValues = _propValue.GetDisplayedValues();
foreach (object str in displayedValues)
{
Items.Add(str.ToString());
Size size = Win32Calls.GetTextExtent(graphics, str.ToString(), propEnum.Property.ParentGrid.Font);
if (width < size.Width)
{
width = size.Width;
}
}
Win32Calls.TEXTMETRIC tm = new Win32Calls.TEXTMETRIC();
Win32Calls.GetTextMetrics(graphics, propEnum.Property.ParentGrid.Font, ref tm);
graphics.Dispose();
ItemHeight = tm.tmHeight + propEnum.Property.ParentGrid.PropertyVerticalMargin - 2;
Height = Math.Max(ItemHeight, Math.Min(200, ItemHeight * displayedValues.Length));
int margin = propEnum.Property.ParentGrid.GlobalTextMargin;
Width = width + 2 * margin;
if (_propValue.ImageList != null)
{
Width += ItemHeight + margin;
}
DrawMode = DrawMode.OwnerDrawFixed;
SelectedItem = currentValue;
// SelectedItem = _propValue.DisplayString;
}
