/// <summary>
/// 注释多行
/// </summary>
private void CommentMultiLines()
{
// 将选择区域修正成首行行头到末行行尾
int firstLine = CodeBox.GetLineIndexFromCharacterIndex(CodeBox.SelectionStart);
int lastLine = CodeBox.GetLineIndexFromCharacterIndex(CodeBox.SelectionStart + CodeBox.SelectionLength);
CodeBox.SelectionStart = CodeBox.GetCharacterIndexFromLineIndex(firstLine);
CodeBox.SelectionLength = CodeBox.GetCharacterIndexFromLineIndex(lastLine)
+ CodeBox.GetLineLength(lastLine)
- CodeBox.SelectionStart;
string[] lines = CodeBox.SelectedText.Split('\n');
StringBuilder sb = new StringBuilder();
int i = 0;
for (; i < lines.Length - 1; i++)
{
sb.Append("//").Append(lines[i]).Append('\n');
}
sb.Append("//").Append(lines[i]);
CodeBox.textChangedEnable = false;
CodeBox.SelectedText = sb.ToString();
CodeBox.textChangedEnable = true;
}
/// <summary>
/// 注释单行
/// </summary>
private void CommentOneLine()
{
int lineindex = CodeBox.GetLineIndexFromCharacterIndex(CodeBox.SelectionStart);
int firstCharIndex = CodeBox.GetCharacterIndexFromLineIndex(lineindex);
int lastCharIndex = firstCharIndex + CodeBox.GetLineLength(lineindex) - 1;
// 判断是否选择了该行所有非空白字符
bool selectWholeLine = true;
for (int i = firstCharIndex; i <= lastCharIndex; i++)
{
if (i >= CodeBox.SelectionStart && i < CodeBox.SelectionStart + CodeBox.SelectionLength)
{
continue;
}
else if (char.IsWhiteSpace(CodeBox.Text[i]))
{
continue;
}
else
{
selectWholeLine = false;
break;
}
}
CodeBox.textChangedEnable = false;
if (selectWholeLine)
{
CodeBox.SelectedText = "//" + CodeBox.SelectedText;
}
else
{
CodeBox.SelectedText = "/*" + CodeBox.SelectedText + "*/";
}
CodeBox.textChangedEnable = true;
}
