/*
* public class TransparentPB : PictureBox {
* public void New()
* {
* this.SetStyle(ControlStyles.Opaque, true);
* this.SetStyle(ControlStyles.OptimizedDoubleBuffer, false);
* }
* new public CreateParams CreateParams
* {
* get
* {
* CreateParams cp = new CreateParams();
* cp.ExStyle &= 0x00000020;
* return cp;
* }
* }
* }
*/
private bool AlreadyUsed(int index)
{
bool booRetVal = false;
IEnumerable <GridItem> items = GridItems.Where(GridItems => GridItems.Index == index);
booRetVal = (items.Count() > 0);
return(booRetVal);
}
public void OnCountryChanged()
{
Cities = GridItems
.Where(i => i.CountryId == Selected.CountryId)
.Select(i => new IdNameItem()
{
Id = i.CityId, Name = i.City
})
.Distinct()
.ToList();
}
public void OnRegionChanged()
{
Countries = GridItems
.Where(i => i.RegionId == Selected.RegionId)
.Select(i => new IdNameItem()
{
Id = i.CountryId, Name = i.Country
})
.Distinct()
.ToList();
}