本文整理汇总了C#中NSString.Replace方法的典型用法代码示例。如果您正苦于以下问题:C# NSString.Replace方法的具体用法?C# NSString.Replace怎么用?C# NSString.Replace使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NSString
的用法示例。
在下文中一共展示了NSString.Replace方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ShouldChangeCharacters
bool ShouldChangeCharacters (UITextField textField, NSRange range, string replacementString)
{
bool hasInvalidChars = replacementString.ToCharArray ().Any (c => !IsValidMorseCharacter (c));
if (hasInvalidChars)
{
UIView.Animate (0.2f, 0f, UIViewAnimationOptions.Autoreverse,
() => this.txtMorse.BackgroundColor = UIColor.Red,
() => this.txtMorse.BackgroundColor = UIColor.White);
return false;
}
// Morse only has uppercase characters.
replacementString = replacementString.ToUpperInvariant ();
var nativeString = new NSString (this.txtMorse.Text);
this.txtMorse.Text = nativeString.Replace (range, new NSString (replacementString));
// Remember last message.
CrossSettings.Current.AddOrUpdateValue (SETTING_LAST_MESSAGE, this.txtMorse.Text);
// Return FALSE because we update the content ourselves (uppercasing everything).
return false;
}
示例2: PrepareEntry
protected virtual void PrepareEntry(UITableView tableview){
SizeF size = _computeEntryPosition(tableview);
_entry = new CustomTextField (new RectangleF (size.Width+10, (ContentView.Bounds.Height-size.Height)/2-10, 320-size.Width-20, size.Height+20));
_delegate = new CustomTextFieldDelegate ();
_entry.Delegate = _delegate;
_entry.VerticalAlignment = UIControlContentVerticalAlignment.Center;
TextLabel.BackgroundColor = UIColor.Clear;
_entry.AutoresizingMask = UIViewAutoresizing.FlexibleWidth |
UIViewAutoresizing.FlexibleLeftMargin;
_entry.MaxCharacters = 5;
_entry.Started += delegate {
var position = tableview.IndexPathForCell(this);
tableview.SelectRow(position, false, UITableViewScrollPosition.None);
};
_entry.ValueChanged += delegate {
if (_element != null) {
_element.Value = _entry.Text;
}
};
_entry.EnablesReturnKeyAutomatically = true;
_entry.Ended += (object sender, EventArgs e) => {
if (_element != null) {
_element.Value = _entry.Text;
if (_element.OnValueChanged!=null)
_element.OnValueChanged(_element);
}
var position = tableview.IndexPathForCell(this);
if (tableview.IndexPathForSelectedRow!=null && position!=null && position.Compare(tableview.IndexPathForSelectedRow)==0){
tableview.DeselectRow(position, false);
}
};
_entry.ShouldChangeCharacters = (textField, range, replacement) =>
{
if (_element.MaxLength<0) return true;
if (_element.MaxLength==0) return false;
using (NSString original = new NSString(textField.Text))
{
var replace = original.Replace(range, new NSString(replacement));
if (replace.Length>_element.MaxLength)
return false;
}
return true;
};
_entry.AddTarget((object o, EventArgs r)=>{
if (_element != null)
_element.Value = _entry.Text;
}, UIControlEvent.EditingChanged);
_entry.ShouldReturn += delegate {
Element elementToFocusOn = null;
foreach (var c in ((Section)_element.Parent).Elements){
if (c == _element)
elementToFocusOn = c;
else if (elementToFocusOn != null && c is EntryElement)
elementToFocusOn = c as EntryElement;
}
if (elementToFocusOn != _element && elementToFocusOn!=null) {
var cell = tableview.CellAt(elementToFocusOn.GetIndexPath());
cell.BecomeFirstResponder();
}
else
_entry.ResignFirstResponder();
if (_entry.ReturnKeyType == UIReturnKeyType.Go) {
_element.FireGo(this, EventArgs.Empty);
}
return true;
};
_entry.Started += delegate {
EntryElement self = null;
var returnType = _element.ReturnKeyType;
if (returnType != UIReturnKeyType.Default) {
foreach (var e in (_element.Parent as Section).Elements){
if (e == _element)
self = _element;
else if (self != null && e is EntryElement)
returnType = UIReturnKeyType.Next;
}
}
_entry.ReturnKeyType = returnType;
};
ContentView.AddSubview (_entry);
}