protected override void OnMeasureItem(MeasureItemEventArgs e)
{
base.OnMeasureItem(e);
if(!this.DesignMode)
{
int maxSubItemHeight = 0;
PropertyDescriptorCollection pdc = this.DataManager.GetItemProperties();
for(int currentColumnIndex=0;currentColumnIndex<realColumnCount;currentColumnIndex++)
{
e.ItemWidth = ColumnWidths[currentColumnIndex];
MeasureSubItemEventArgs msiea = new MeasureSubItemEventArgs(e.Graphics,e.Index,currentColumnIndex);
OnMeasureSubItem(msiea);
if(msiea.ItemHeight > maxSubItemHeight)
maxSubItemHeight = msiea.ItemHeight;
}
e.ItemHeight = maxSubItemHeight;
}
}
protected virtual void OnMeasureSubItem(MeasureSubItemEventArgs e)
{
if(MeasureSubItem != null && MeasureSubItem.GetInvocationList() != null)
MeasureSubItem.DynamicInvoke(new object[]{this,e});
}
private void measureLBItem(object sender, MeasureSubItemEventArgs e)
{
MultiColumnListBox lb = (MultiColumnListBox)sender;
SizeF s = e.Graphics.MeasureString("O",lb.Font);
e.ItemWidth = (int)s.Width;
e.ItemHeight = (int)s.Height+4;
}
