private void Grid_MouseUp(object sender, MouseButtonEventArgs e)
{
HintAndBoxInitialized = true;
MouseDwn = false; //release the mouse capture and stop tracking it
ImportVideoGrid.ReleaseMouseCapture();
//selectionBox.Visibility = Visibility.Collapsed; //stop showing drag selection
Point mouseUpPos = e.GetPosition(ImportVideoGrid);
if (mouseUpPos.X > ImportVideoGrid.ActualWidth || mouseUpPos.Y > ImportVideoGrid.ActualHeight || MouseDownPos.X < 0 || MouseDownPos.Y < 0 ||
ImportSelectionBox.ActualWidth < 10 || ImportSelectionBox.ActualHeight < 10)
{
ResetSelectionBox();
}
}
//MARK: UI Methods
private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
{
ImportSelectWindowHint.Visibility = Visibility.Collapsed;
ImportVideoElement.Opacity = 1;
MouseDwn = true;
MouseDownPos = e.GetPosition(ImportVideoGrid);
ImportVideoGrid.CaptureMouse();
Canvas.SetLeft(ImportSelectionBox, MouseDownPos.X); //initial placement of the drag selection box
Canvas.SetTop(ImportSelectionBox, MouseDownPos.Y);
ImportSelectionBox.Width = 0;
ImportSelectionBox.Height = 0;
ImportSelectionBox.Visibility = Visibility.Visible; //make the drag selection box visible during selection
}
