本文整理汇总了C#中System.Windows.Documents.TextRange.TrimStart方法的典型用法代码示例。如果您正苦于以下问题：C# TextRange.TrimStart方法的具体用法？C# TextRange.TrimStart怎么用？C# TextRange.TrimStart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System.Windows.Documents.TextRange的用法示例。
在下文中一共展示了TextRange.TrimStart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: richTextBox_PreviewKeyUp
private void richTextBox_PreviewKeyUp(object sender, KeyEventArgs e)
{
if (((e.Key != Key.Up) && (e.Key != Key.Down)) && ((e.Key != Key.Space) || !this.IgnorePrefix))
{
if ((e.Key == Key.Space) || (e.Key == Key.Escape))
{
this.HideMethodsPopup();
}
if (((((e.Key == Key.Escape) || (e.Key == Key.Left)) || ((e.Key == Key.Right) || (e.Key == Key.Return))) || ((this.IgnorePrefix && (e.Key == Key.D2)) && (Keyboard.Modifiers == ModifierKeys.Shift))) || this.ignoreDisplay)
{
this.HideMethodsPopup();
this.ignoreDisplay = false;
}
else
{
IEnumerable<IntellisenseItem> results = null;
string text = new TextRange(this.richTextBox.Document.ContentStart, this.richTextBox.CaretPosition).Text;
int startIndex = text.LastIndexOf(' ');
string input = (startIndex != -1) ? text.Substring(startIndex).TrimStart(new char[0]) : text.TrimStart(new char[0]);
if (((input == "@") || (input == "#")) && this.IgnorePrefix)
{
this.HideMethodsPopup();
this.ignoreDisplay = false;
}
else if (!(this.ExcludeMentions || (((input != "@") && !input.EndsWith("@")) && !(text == "d "))))
{
results = IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.GetMatches("@");
Rect rect = this.richTextBox.CaretPosition.GetCharacterRect(LogicalDirection.Forward);
this.BindResults(results, this.intellisenseListBox, rect, IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.ContainsEntries, delegate
{
this.ShowMethodsPopup(rect, this.richTextBox);
this.intellisenseListBox.SelectedIndex = -1;
});
}
else if ((input == "#") || input.EndsWith("#"))
{
results = IntellisenseDataSource.Instance(this.TwitterAccountID).TagsCollection.GetMatches("#");
Rect rect = GetPoint(this.richTextBox.Document.ContentStart, startIndex).GetCharacterRect(LogicalDirection.Forward);
this.BindResults(results, this.intellisenseListBox, rect, IntellisenseDataSource.Instance(this.TwitterAccountID).TagsCollection.ContainsEntries, delegate
{
this.ShowMethodsPopup(rect, this.richTextBox);
this.intellisenseListBox.SelectedIndex = -1;
});
}
else if (!(this.ExcludeMentions || (!MENTION_EXPRESSION.IsMatch(input) && !this.IgnorePrefix)))
{
string currentWordExcludingPrefix = string.Empty;
currentWordExcludingPrefix = this.IgnorePrefix ? input : MENTION_EXPRESSION.Match(input).Groups[1].Value;
results = IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.GetMatches(currentWordExcludingPrefix);
Rect rect = GetPoint(this.richTextBox.Document.ContentStart, startIndex).GetCharacterRect(LogicalDirection.Forward);
this.BindResults(results, this.intellisenseListBox, rect, IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.ContainsEntries, delegate
{
this.ShowMethodsPopup(rect, this.richTextBox);
this.SetSelection(currentWordExcludingPrefix);
});
}
else if (!((this.ExcludeMentions || !DM_EXPRESSION.IsMatch(text)) || DM_EXPRESSION_WITH_END_SPACE.IsMatch(text)))
{
string currentWordExcludingPrefix = DM_EXPRESSION.Match(text).Groups[1].Value;
results = IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.GetMatches(currentWordExcludingPrefix);
Rect rect = GetPoint(this.richTextBox.Document.ContentStart, startIndex).GetCharacterRect(LogicalDirection.Forward);
this.BindResults(results, this.intellisenseListBox, rect, IntellisenseDataSource.Instance(this.TwitterAccountID).MentionsCollection.ContainsEntries, delegate
{
this.ShowMethodsPopup(rect, this.richTextBox);
this.SetSelection(currentWordExcludingPrefix);
});
}
else if (TAG_EXPRESSION.IsMatch(input))
{
string partialWord = TAG_EXPRESSION.Match(input).Groups[1].Value;
results = IntellisenseDataSource.Instance(this.TwitterAccountID).TagsCollection.GetMatches(partialWord);
Rect rect = GetPoint(this.richTextBox.Document.ContentStart, startIndex).GetCharacterRect(LogicalDirection.Forward);
this.BindResults(results, this.intellisenseListBox, rect, IntellisenseDataSource.Instance(this.TwitterAccountID).TagsCollection.ContainsEntries, delegate
{
this.ShowMethodsPopup(rect, this.richTextBox);
this.intellisenseListBox.SelectedIndex = -1;
});
}
else
{
this.HideMethodsPopup();
}
}
}
}示例2: InsertSelectedEntry
private void InsertSelectedEntry(char characterInsertion)
{
if (this.intellisenseListBox.SelectedIndex <= -1 || !this.intellisensePopup.IsOpen)
return;
string text = new TextRange(this.richTextBox.Document.ContentStart, this.richTextBox.CaretPosition).Text;
int startIndex = text.LastIndexOf(' ');
string currentWord = startIndex != -1 ? text.Substring(startIndex).TrimStart(new char[0]) : text.TrimStart(new char[0]);
IntellisenseItem intellisenseItem = this.intellisenseListBox.SelectedItem as IntellisenseItem;
bool flag = text.StartsWith("d ", StringComparison.InvariantCultureIgnoreCase) && !IntellisenseAdorner.DM_EXPRESSION_WITH_END_SPACE.IsMatch(text);
string textData = this.IgnorePrefix || flag ? intellisenseItem.FilterValue : intellisenseItem.DisplayValue;
if (textData.StartsWith("@") || textData.StartsWith("#"))
{
int charactersToDelete = IntellisenseAdorner.GetNumberOfCharactersToDelete(currentWord, textData.StartsWith("@") ? "@" : "#");
if (currentWord.EndsWith(" "))
this.richTextBox.CaretPosition.DeleteTextInRun(-(charactersToDelete - 1));
else
this.richTextBox.CaretPosition.DeleteTextInRun(-charactersToDelete);
}
else if (currentWord.EndsWith(" "))
this.richTextBox.CaretPosition.DeleteTextInRun(-(currentWord.Length - 1));
else
this.richTextBox.CaretPosition.DeleteTextInRun(-currentWord.Length);
if ((int)characterInsertion != 0 && !this.IgnorePrefix)
textData = textData + (object)characterInsertion;
this.richTextBox.CaretPosition = this.richTextBox.CaretPosition.GetPositionAtOffset(0, LogicalDirection.Forward) ?? this.richTextBox.CaretPosition;
if (!flag)
{
this.richTextBox.CaretPosition.InsertTextInRun(textData);
}
else
{
this.richTextBox.CaretPosition.InsertTextInRun(textData);
Messenger.Default.Send<GenericMessage<object>>(new GenericMessage<object>((object)intellisenseItem.FilterValue), (object)CommonCommands.MultiAccountifyToken((Enum)ViewModelMessages.DirectMessage, intellisenseItem.TwitterAccountID));
}
this.ignoreDisplay = true;
}