private void NoSpriteMenuItem_Click( object sender, EventArgs e )
 {
     _selectedSprite = Global.AssetsBrowser.NoSpriteItem;
     _imageSprite.ImageLocation = _selectedSprite.FilePath;
 }
 private void SpriteListMenuItem_Click( object sender, EventArgs e )
 {
     _selectedSprite = (sender as SpriteMenuItem).SpriteItem;
     _imageSprite.ImageLocation = _selectedSprite.FilePath;
 }