Summary
Specifies the visibility of a ScrollBar for scrollable content.
Signature
| public enum ScrollBarVisibility
|
Namespace
cAlgo.API
Examples
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54 | using cAlgo.API;
namespace cAlgo
{
// This sample shows how to use the ScrollBarVisibility
[Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
public class ScrollBarVisibilitySample : Indicator
{
[Parameter("Horizontal Scroll Bar Visibility", DefaultValue = ScrollBarVisibility.Auto)]
public ScrollBarVisibility HorizontalScrollBarVisibility { get; set; }
[Parameter("Vertical Scroll Bar Visibility", DefaultValue = ScrollBarVisibility.Visible)]
public ScrollBarVisibility VerticalScrollBarVisibility { get; set; }
protected override void Initialize()
{
var scrollViewer = new ScrollViewer
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
BackgroundColor = Color.Gold,
Opacity = 0.7,
HorizontalScrollBarVisibility = HorizontalScrollBarVisibility,
VerticalScrollBarVisibility = VerticalScrollBarVisibility,
Height = 100
};
var grid = new Grid(10, 2)
{
BackgroundColor = Color.Gold,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
};
scrollViewer.Content = grid;
for (int iRow = 0; iRow < 10; iRow++)
{
grid.AddChild(new TextBlock
{
Text = "Text",
Margin = 5,
ForegroundColor = Color.Black,
FontWeight = FontWeight.ExtraBold
}, iRow, 0);
grid.AddChild(new Button
{
Text = "Button",
Margin = 5,
ForegroundColor = Color.Black,
FontWeight = FontWeight.ExtraBold
}, iRow, 1);
}
Chart.AddControl(scrollViewer);
}
public override void Calculate(int index)
{
}
}
}
|
See Also
Fields
Disabled
Summary
A ScrollBar does not appear even when the viewport cannot display all of the content.
Signature
| public static ScrollBarVisibility Disabled;
|
Return Value
ScrollBarVisibility
Auto
Summary
A ScrollBar appears and the dimension of the ScrollViewer is applied to the content when the viewport cannot display all of the content.
Signature
| public static ScrollBarVisibility Auto;
|
Return Value
ScrollBarVisibility
Hidden
Summary
A ScrollBar does not appear even when the viewport cannot display all of the content. The dimension of the ScrollViewer is not applied to the content.
Signature
| public static ScrollBarVisibility Hidden;
|
Return Value
ScrollBarVisibility
Visible
Summary
A ScrollBar always appears. The dimension of the ScrollViewer is applied to the content.
Signature
| public static ScrollBarVisibility Visible;
|
Return Value
ScrollBarVisibility