private void CropPictureBox_SizeChanged(object sender, EventArgs e)
{
CropPictureBox.Invalidate();
if (CropPictureBox.Image != null)
{
OnCropPictureBoxResize();
}
}
private void CropPictureBox_MouseDown(object sender, MouseEventArgs e)
{
CropPictureBox.Invalidate();
_cropArea.X = e.X;
_cropArea.Y = e.Y;
_cropArea.Width = 0;
_cropArea.Height = 0;
_isMouseDown = true;
}
private void CropPictureBox_MouseMove(object sender, MouseEventArgs e)
{
if (_isMouseDown)
{
_cropArea.Width = (e.X - _cropArea.X);
_cropArea.Height = (e.Y - _cropArea.Y);
if (_cropAreaBounds.Contains(_cropArea))
{
CropPictureBox.Invalidate();
}
}
}