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GanttControlOptionsCustomization.AllowModifyDependencies Property

Gets or sets whether users can modify dependencies between tasks in the chart: change a predecessor or successor of a task, create new dependencies.

Namespace: DevExpress.XtraGantt.Options

Assembly: DevExpress.XtraGantt.v21.2.dll

Declaration

[DefaultValue(DefaultBoolean.Default)]
[XtraSerializableProperty]
public DefaultBoolean AllowModifyDependencies { get; set; }

Property Value

Type Default Description
DefaultBoolean

Default

True, if users can modify dependencies; otherwise, Default or False.

Available values:

Name Description
True

true. DefaultBoolean.True has a constant value of 0, while the standard true value corresponds to a value of 1. In Visual Basic, do not use implicit conversion of Boolean values to DefaultBoolean, and vice versa, as the conversion may produce incorrect results.

False

false. DefaultBoolean.False has a constant value of 1, while the standard false value corresponds to a value of 0. In Visual Basic, do not use implicit conversion of Boolean values to DefaultBoolean, and vice versa, as the conversion may produce incorrect results.

Default

The default behavior determined by the control’s logic.

Property Paths

You can access this nested property as listed below:

Object Type Path to AllowModifyDependencies
GanttControl
.OptionsCustomization.AllowModifyDependencies

Remarks

If the AllowModifyDependencies option is enabled, users can change a task’s predecessor or successor. Users can remove a dependency or attach it to another task if the mouse pointer hovers over the dependency arrow. To create a new dependency, use pointers displayed at task edges.

image

Note

The Editable option must be enabled and the ReadOnly option must be disabled to allow users to modify tasks.

You can handle the following events to customize an operation:

See Interactive Editing for more information.

See Also