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ProGraMajsterProGraMajster
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Add TrackBar control with renderer and demo panel
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‎samples/ControlGallery/MainForm.cs‎

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@@ -49,6 +49,7 @@ public MainForm ()
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tree.Items.Add ("TextBox", ImageLoader.Get ("button.png"));
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tree.Items.Add ("TitleBar", ImageLoader.Get ("button.png"));
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tree.Items.Add ("ToolBar", ImageLoader.Get ("button.png"));
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tree.Items.Add("TrackBar", ImageLoader.Get("button.png"));
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tree.Items.Add ("TreeView", ImageLoader.Get ("button.png"));
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tree.ItemSelected += Tree_ItemSelected;
@@ -140,6 +141,8 @@ private void Tree_ItemSelected (object? sender, EventArgs<TreeViewItem> e)
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return new TitleBarPanel ();
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case "ToolBar":
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return new ToolBarPanel ();
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case "TrackBar":
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return new TrackBarPanel ();
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case "TreeView":
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return new TreeViewPanel ();
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}

‎samples/ControlGallery/Panels/TrackBarPanel.cs‎

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@@ -0,0 +1,235 @@
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using Modern.Forms;
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namespace ControlGallery.Panels
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{
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/// <summary>
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/// Demonstrates different <see cref="TrackBar"/> configurations in the control gallery.
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/// </summary>
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/// <remarks>
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/// This panel showcases:
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/// <list type="bullet">
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/// <item><description>A basic horizontal track bar.</description></item>
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/// <item><description>A horizontal track bar with tick marks on both sides.</description></item>
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/// <item><description>A vertical track bar.</description></item>
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/// <item><description>A snapped track bar that rounds values to tick marks.</description></item>
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/// <item><description>A disabled track bar.</description></item>
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/// </list>
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/// </remarks>
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public class TrackBarPanel : Panel
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="TrackBarPanel"/> class.
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/// </summary>
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public TrackBarPanel ()
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{
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CreateHorizontalExamples ();
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CreateVerticalExamples ();
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CreateOptionsSection ();
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}
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private void CreateHorizontalExamples ()
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{
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Controls.Add (new Label {
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Text = "Horizontal",
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Left = 10,
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Top = 10,
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Width = 200,
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Height = 25
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});
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var horizontal_value_label = Controls.Add (new Label {
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Text = "Value: 25",
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Left = 320,
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Top = 45,
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Width = 120,
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Height = 25
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});
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var horizontal = Controls.Add (new TrackBar {
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Left = 10,
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Top = 40,
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Width = 280,
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Minimum = 0,
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Maximum = 100,
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Value = 25,
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TickFrequency = 10,
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TickStyle = TickStyle.BottomRight
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});
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horizontal.ValueChanged += (sender, e) => {
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horizontal_value_label.Text = $"Value: {horizontal.Value}";
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};
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var both_ticks_value_label = Controls.Add (new Label {
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Text = "Value: 60",
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Left = 320,
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Top = 105,
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Width = 120,
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Height = 25
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});
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var both_ticks = Controls.Add (new TrackBar {
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Left = 10,
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Top = 100,
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Width = 280,
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Minimum = 0,
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Maximum = 100,
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Value = 60,
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TickFrequency = 5,
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TickStyle = TickStyle.Both
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});
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both_ticks.ValueChanged += (sender, e) => {
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both_ticks_value_label.Text = $"Value: {both_ticks.Value}";
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};
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Controls.Add (new Label {
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Text = "Snap to ticks",
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Left = 10,
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Top = 160,
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Width = 200,
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Height = 25
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});
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var snap_value_label = Controls.Add (new Label {
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Text = "Value: 30",
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Left = 320,
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Top = 195,
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Width = 120,
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Height = 25
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});
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var snapped = Controls.Add (new TrackBar {
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Left = 10,
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Top = 190,
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Width = 280,
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Minimum = 0,
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Maximum = 100,
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Value = 30,
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TickFrequency = 10,
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TickStyle = TickStyle.TopLeft,
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SnapToTicks = true
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});
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snapped.ValueChanged += (sender, e) => {
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snap_value_label.Text = $"Value: {snapped.Value}";
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};
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Controls.Add (new Label {
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Text = "Disabled",
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Left = 10,
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Top = 250,
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Width = 200,
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Height = 25
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});
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Controls.Add (new TrackBar {
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Left = 10,
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Top = 280,
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Width = 280,
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Minimum = 0,
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Maximum = 100,
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Value = 45,
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TickFrequency = 10,
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TickStyle = TickStyle.BottomRight,
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Enabled = false
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});
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}
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private void CreateVerticalExamples ()
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{
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Controls.Add (new Label {
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Text = "Vertical",
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Left = 500,
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Top = 10,
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Width = 100,
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Height = 25
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});
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var vertical_value_label = Controls.Add (new Label {
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Text = "Value: 75",
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Left = 470,
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Top = 45,
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Width = 120,
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Height = 25
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});
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var vertical = Controls.Add (new TrackBar {
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Left = 500,
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Top = 80,
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Width = 32,
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Height = 220,
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Orientation = Orientation.Vertical,
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Minimum = 0,
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Maximum = 100,
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Value = 75,
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TickFrequency = 10,
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TickStyle = TickStyle.Both
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});
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vertical.ValueChanged += (sender, e) => {
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vertical_value_label.Text = $"Value: {vertical.Value}";
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};
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}
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private void CreateOptionsSection ()
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{
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Controls.Add (new Label {
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Text = "Interactive example",
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Left = 10,
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Top = 360,
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Width = 200,
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Height = 25
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});
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var interactive = Controls.Add (new TrackBar {
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Left = 10,
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Top = 390,
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Width = 280,
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Minimum = 0,
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Maximum = 50,
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Value = 10,
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TickFrequency = 5,
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TickStyle = TickStyle.BottomRight
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});
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var value_label = Controls.Add (new Label {
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Text = "Value: 10",
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Left = 320,
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Top = 395,
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Width = 120,
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Height = 25
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});
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var snap_checkbox = Controls.Add (new CheckBox {
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Text = "Snap to ticks",
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Left = 320,
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Top = 425,
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Width = 150,
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Checked = false
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});
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var tick_style_combo = Controls.Add (new ComboBox {
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Left = 320,
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Top = 455,
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Width = 150
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});
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tick_style_combo.Items.AddRange (Enum.GetNames<TickStyle> ());
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tick_style_combo.SelectedItem = TickStyle.BottomRight.ToString ();
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interactive.ValueChanged += (sender, e) => {
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value_label.Text = $"Value: {interactive.Value}";
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};
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snap_checkbox.CheckedChanged += (sender, e) => {
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interactive.SnapToTicks = snap_checkbox.Checked;
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};
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tick_style_combo.SelectedIndexChanged += (sender, e) => {
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if (tick_style_combo.SelectedItem is string selected_text)
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interactive.TickStyle = Enum.Parse<TickStyle> (selected_text);
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};
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}
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}
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}

‎src/Modern.Forms/Renderers/RenderManager.cs‎

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@@ -33,6 +33,7 @@ static RenderManager ()
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SetRenderer<TabStrip> (new TabStripRenderer ());
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SetRenderer<TextBox> (new TextBoxRenderer ());
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SetRenderer<ToolBar> (new ToolBarRenderer ());
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SetRenderer<TrackBar> (new TrackBarRenderer ());
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SetRenderer<TreeView> (new TreeViewRenderer ());
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}
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