private void solver_OnSolutionError(object sender, SolutionErrorEventArgs e)
{
var currentStepImg = this.stepImgs[this.currentIndex];
var currentStep = this.stepLabels[this.currentIndex];
if (currentStepImg.InvokeRequired) currentStepImg.Invoke((MethodInvoker)delegate { currentStepImg.Image = Properties.Resources.cross_icon; });
if (currentStep.InvokeRequired) currentStep.Invoke((MethodInvoker)delegate { currentStep.Text = "Failed"; });
if (this.lblHeader.InvokeRequired) this.lblHeader.Invoke((MethodInvoker)delegate { lblHeader.Text = "Solving error."; });
this.solver.OnSolutionStepCompleted -= this.solver_OnSolutionStepCompleted;
}
void solver_OnSolutionError(object sender, SolutionErrorEventArgs e)
{
PictureBox currentStepImg = stepImgs[currentIndex];
Label currentStep = stepLabels[currentIndex];
if (currentStepImg.InvokeRequired) currentStepImg.Invoke((MethodInvoker)delegate() { currentStepImg.Image = Properties.Resources.cross_icon; });
if (currentStep.InvokeRequired) currentStep.Invoke((MethodInvoker)delegate() { currentStep.Text = "Failed"; });
if (lblHeader.InvokeRequired) lblHeader.Invoke((MethodInvoker)delegate() { lblHeader.Text = "Solving error."; });
solver.OnSolutionStepCompleted -= solver_OnSolutionStepCompleted;
}