[Solved] Maximum value in the track bar

The message already says all: The value may not be greater than the max-value. Just add a condition before you increment the value: if (trackBar1.Value < trackBar1.Maximum) trackBar1.Value++; Or here your complete event handler: private void button41_Click(object sender, EventArgs e) { if (trackBar1.Value < trackBar1.Maximum) { trackBar1.Value++; label27.Text = trackBar1.Value; } else { MessageBox.Show(“Max value … Read more