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C# ITextPointer.MoveToLineBoundary方法代码示例

本文整理汇总了C#中ITextPointer.MoveToLineBoundary方法的典型用法代码示例。如果您正苦于以下问题:C# ITextPointer.MoveToLineBoundary方法的具体用法?C# ITextPointer.MoveToLineBoundary怎么用?C# ITextPointer.MoveToLineBoundary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ITextPointer的用法示例。


在下文中一共展示了ITextPointer.MoveToLineBoundary方法的1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: MovePositionByUnits


//.........这里部分代码省略.........
                        {
                            moved++;
                        }
                        else
                        {
                            position.MoveToPosition(positionOrig);
                            break;
                        }
                    }

                    // Adjust logical direction to point to the following text (forward or backward movement).
                    // If we don't do this, we'll normalize in the wrong direction and get stuck in a loop
                    // if caller tries to advance again.
                    position.SetLogicalDirection(LogicalDirection.Forward);

                    break;

                case TextUnit.Line:
                    // Position is snapped to nearest line boundary. But since line information
                    // is based on the layout, position is not changed, if:
                    // a) it is not currently in the view, or
                    // b) containing line cannot be found.
                    textView = _textAdaptor.GetUpdatedTextView();
                    if (textView != null && textView.IsValid && textView.Contains(position))
                    {
                        // ITextPointer.MoveToLineBoundary can't handle Table row end positions.
                        // Mimic TextEditor's caret navigation code and move into the preceding
                        // TableCell.
                        if (TextPointerBase.IsAtRowEnd(position))
                        {
                            position.MoveToNextInsertionPosition(LogicalDirection.Backward);
                        }

                        moved = position.MoveToLineBoundary(count);
                        
                        MoveToInsertionPosition(position, LogicalDirection.Forward);

                        if (moved < 0)
                        {
                            moved = -moved; // Will be reversed below.
                        }
                    }
                    break; 

                case TextUnit.Paragraph:
                    // Utilize TextRange logic to determine paragraph boundaries.
                    ITextRange paragraphRange = new TextRange(position, position);
                    paragraphRange.SelectParagraph(position);
                    while (moved < absCount)
                    {
                        position.MoveToPosition(direction == LogicalDirection.Forward ? paragraphRange.End : paragraphRange.Start);
                        if (!position.MoveToNextInsertionPosition(direction))
                        {
                            break;
                        }
                        moved++;
                        paragraphRange.SelectParagraph(position);
                        position.MoveToPosition(paragraphRange.Start); // Position it always at the beginning of the paragraph.
                    }
                    break;

                case TextUnit.Page:
                    // But since page information is based on the layout, position is not changed, if:
                    // a) it is not currently in the view, or
                    // b) containing page cannot be found.
                    // Page movement is possible only in multi-page scenario.
开发者ID:JianwenSun,项目名称:cc,代码行数:67,代码来源:TextRangeAdaptor.cs


注:本文中的ITextPointer.MoveToLineBoundary方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。