public MainWindow()
{
InitializeComponent();
TestFlowPage.LineStackingStrategy = LineStackingStrategy.BlockLineHeight;
TestFlowPage.LineHeight = LineHeight;
TestFlowPage.FlowDirection = FlowDirection.RightToLeft;
TestFlowPage.LineHeight = LineHeight;
TestFlowPage.FontFamily = ArialFontFamily;
TestFlowPage.FontWeight = FontWeights.Normal;
TestFlowPage.FontSize = TestFlowPage.FontSize;
TestFlowPage.TextAlignment = TextAlignment.Left;
TestFlowPage.Language = Lang;
TestFlowPage.PagePadding = new Thickness(10);
TestFlowPage.ColumnGap = 0;
TestFlowPage.ColumnWidth = double.PositiveInfinity;
ContentText = GetContent();
SizeChanged += delegate
{
var width = FlowDocumentFrame.ActualWidth.Equals(double.NaN) ? 555.555 : FlowDocumentFrame.ActualWidth;
var lines = TestFlowPage.CalcLinesByEndOfLine(ContentText, width);
ListBoxLines.Items.Clear();
foreach (var line in lines)
{
ListBoxLines.Items.Add(line);
}
};
}
private void Test_MouseMove(object sender, MouseEventArgs e)
{
try
{
var pointer = Mouse.GetPosition(this);
var screenPoint = PointToScreen(pointer);
TextPointer caretPointer = TestFlowPage.ScreenPointToTextPointer(screenPoint);
var offset = new TextRange(TestFlowPage.ContentStart, caretPointer).Text.Length;
var startToCaret = new TextRange(TestFlowPage.ContentStart, caretPointer);
startToCaret.ApplyPropertyValue(TextElement.ForegroundProperty, Brushes.Red);
var caretToEnd = new TextRange(caretPointer, TestFlowPage.ContentEnd);
caretToEnd.ApplyPropertyValue(TextElement.ForegroundProperty, Brushes.Black);
LabelMsg.DataContext = $"{pointer}\t offset:{offset}\t {ContentText[offset - 1]}";
}
catch (Exception exception)
{
LabelMsg.DataContext = exception.Message;
}
}
