Class TaskbarEditingEventArgs<TValue>

Provides information about the TaskbarEditing event.

Inheritance

System.Object

TaskbarEditingEventArgs<TValue>

Namespace: Syncfusion.Blazor.Gantt

Assembly: Syncfusion.Blazor.dll

Syntax

public class TaskbarEditingEventArgs<TValue> : Object

Type Parameters

Name	Description
TValue	TValue of the SfGantt<TValue>component.

Constructors

TaskbarEditingEventArgs()

Declaration

public TaskbarEditingEventArgs()

Properties

Action

Gets the taskbar editing action. The available taskbar editing actions are:

ParentDrag
ChildDrag
RightResizing
LeftResizing
ProgressResizing

Declaration

public string Action { get; }

Property Value

Type	Description
System.String	Accepts a string value that represents the taskbar editing action.

Remarks

The Action property represents the taskbar editing action performed in the GanttChart component. It can have different values depending on the type of taskbar manipulation being performed. The available taskbar editing actions are:

ParentDrag: Indicates that the taskbar is being dragged as a parent task.
ChildDrag: Indicates that the taskbar is being dragged as a child task.
RightResizing: Indicates that the right side of the taskbar is being resized.
LeftResizing: Indicates that the left side of the taskbar is being resized.
ProgressResizing: Indicates that the progress portion of the taskbar is being resized. You can use the Action property to determine the type of taskbar editing action that is being performed and respond accordingly in your code.

Cancel

Cancels the taskbar edit action.

Declaration

public bool Cancel { get; set; }

Property Value

Type	Description
System.Boolean	`true`, if the taskbar edit action can be canceled. Otherwise, `false`.

Data

Gets the data of the task being edited.

Declaration

public TValue Data { get; }

Property Value

Type	Description
TValue	The data object representing the task being edited.

Remarks

The Data property represents the data of the task currently being edited in the GanttChart component. It provides access to the data object that represents the task and contains various properties such as task name, start date, end date, duration, and other task-related information. You can use the Data property to retrieve or modify the data of the task being edited and perform any necessary operations or validations on it.

EnablePredecessorOffsetValidation

Determines whether to restrict taskbar dragging beyond a predecessor value.

Declaration

public bool EnablePredecessorOffsetValidation { get; set; }

Property Value

Type	Description
System.Boolean	`true` if taskbar dragging should be restricted to a date less than the predecessor value; otherwise, `false`. The default value is `false`.

Remarks

When EnablePredecessorOffsetValidation is set to true, the gantt chart component will enforce a rule that prevents taskbars from being dragged to a date later than the date of their predecessors.
If the taskbar is dragged above the given predecessor offset value, it gets reverted to the minimum predecessor value.

Examples

 

@using Syncfusion.Blazor.Gantt 
<SfGantt DataSource="@TaskCollection"> 
    <GanttEvents TaskbarEditing="TaskbarEditing" TValue="TaskData"></GanttEvents> 
</SfGantt> 
@code{ 
    public void TaskbarEditing(TaskbarEditingEventArgs<TaskData> args) 
    { 
         args.EnablePredecessorOffsetValidation = true;  
    } 
}

EnablePredecessorValidation

Determines whether the task’s date values are validated and updated automatically based on predecessor values.

Declaration

public bool EnablePredecessorValidation { get; set; }

Property Value

Type	Description
System.Boolean	`true` if validation of task date values based on predecessors is enabled; otherwise, `false`. The default value is `true`.

Remarks

The EnablePredecessorValidation property controls whether Gantt task dates are validated based on their predecessor tasks. /// When set to true, task date values will be validated based on DependencyType.
When set to false, this validation is disabled.
By default, EnablePredecessorValidation is set to true, indicating that validation is enabled.

Examples

 

@using Syncfusion.Blazor.Gantt 
<SfGantt DataSource="@TaskCollection"> 
    <GanttEvents TaskbarEditing="TaskbarEditing" TValue="TaskData"></GanttEvents> 
</SfGantt> 
@code{ 
    public void TaskbarEditing(TaskbarEditingEventArgs<TaskData> args) 
    { 
         args.EnablePredecessorValidation = false;  
    } 
}

ValidationMode

Gets or sets the data validation mode for predecessor relationships in the SfGantt<TValue>component.

Declaration

public ValidateMode ValidationMode { get; set; }

Property Value

Type	Description
ValidateMode	One of the ValidationMode enumeration that specifies the validation mode for predecessor relationships.