本文整理汇总了C#中FastColoredTextBox.BeginAutoUndo方法的典型用法代码示例。如果您正苦于以下问题：C# FastColoredTextBox.BeginAutoUndo方法的具体用法？C# FastColoredTextBox.BeginAutoUndo怎么用？C# FastColoredTextBox.BeginAutoUndo使用的例子？那么, 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FastColoredTextBox的用法示例。
在下文中一共展示了FastColoredTextBox.BeginAutoUndo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: DropFromTheInside
private static void DropFromTheInside(FastColoredTextBox textbox, Place place, string text)
{
Range insertRange = new Range(textbox, place, place);
// Determine, if the dragged string should be copied or moved
bool copyMode =
(textbox.draggedRange == null) || // drag from outside
(textbox.draggedRange.ReadOnly) || // dragged range is read only
((Control.ModifierKeys & Keys.Control) != Keys.None);
if (!textbox.draggedRange.Contains(place))
{
textbox.BeginAutoUndo();
textbox.Selection.BeginUpdate();
//remember dragged selection for undo/redo
textbox.Selection = textbox.draggedRange;
textbox.lines.Manager.ExecuteCommand(new SelectCommand(textbox.lines));
//
if (textbox.draggedRange.ColumnSelectionMode)
{
// dropping a block selection, add a few new lines
textbox.draggedRange.Normalize();
var endLine = place.iLine + textbox.draggedRange.End.iLine - textbox.draggedRange.Start.iLine;
var end = new Place(place.iChar,endLine );
insertRange = new Range(textbox, place, end) { ColumnSelectionMode = true };
for (int i = textbox.LinesCount; i <= insertRange.End.iLine; i++)
{
textbox.Selection.GoLast(false);
textbox.InsertChar('\n');
}
}
if (!insertRange.ReadOnly)
{
if (place < textbox.draggedRange.Start)
{
// Target place is before the dragged range,
// first delete dragged range if not in copy mode
if (copyMode == false)
{
textbox.Selection = textbox.draggedRange;
textbox.ClearSelected(); // clear original selectin
}
// Insert text
textbox.Selection = insertRange;
textbox.Selection.ColumnSelectionMode = insertRange.ColumnSelectionMode;
textbox.InsertText(text);
}
else
{
// Target place is after the dragged range, first insert the text
// Insert text
textbox.Selection = insertRange;
textbox.Selection.ColumnSelectionMode = insertRange.ColumnSelectionMode;
textbox.InsertText(text);
// Delete dragged range if not in copy mode
if (copyMode == false)
{
textbox.Selection = textbox.draggedRange;
textbox.ClearSelected();
}
}
}
// Selection start and end position
Place startPosition = place;
Place endPosition = textbox.Selection.Start;
// Correct selection
Range dR = (textbox.draggedRange.End > textbox.draggedRange.Start) // dragged selection
? RangeUtil.GetRange(textbox, textbox.draggedRange.Start, textbox.draggedRange.End)
: RangeUtil.GetRange(textbox, textbox.draggedRange.End, textbox.draggedRange.Start);
Place tP = place; // targetPlace
int tS_S_Line; // targetSelection.Start.iLine
int tS_S_Char; // targetSelection.Start.iChar
int tS_E_Line; // targetSelection.End.iLine
int tS_E_Char; // targetSelection.End.iChar
if ((place > textbox.draggedRange.Start) && (copyMode == false))
{
if (textbox.draggedRange.ColumnSelectionMode == false)
{
// Normal selection mode:
// Determine character/column position of target selection
if (dR.Start.iLine != dR.End.iLine) // If more then one line was selected/dragged ...
{
tS_S_Char = (dR.End.iLine != tP.iLine)
? tP.iChar
: dR.Start.iChar + (tP.iChar - dR.End.iChar);
tS_E_Char = dR.End.iChar;
}
else // only one line was selected/dragged
{
if (dR.End.iLine == tP.iLine)
{
tS_S_Char = tP.iChar - dR.Text.Length;
//.........这里部分代码省略.........