private void ImagePreview_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Middle)
{
ImagePreviewCanvas.ReleaseMouseCapture();
ImagePreviewCanvas.SetCurrentValue(CursorProperty, Cursors.Arrow);
var tt = (TranslateTransform)((TransformGroup)ImagePreview.RenderTransform).Children[1];
end = new System.Windows.Point(tt.X, tt.Y);
}
}
private void ImagePreview_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
start = Mouse.GetPosition(ImagePreviewCanvas);
if (e.ChangedButton == MouseButton.Middle)
{
ImagePreviewCanvas.CaptureMouse();
// resets when children are hittble? idk
var tt = (TranslateTransform)((TransformGroup)ImagePreview.RenderTransform).Children[1];
origin = end;
tt.X = origin.X;
tt.Y = origin.Y;
ImagePreviewCanvas.SetCurrentValue(CursorProperty, Cursors.ScrollAll);
}
}