CustomDrawObjectEventArgs.ObjectInfo Property

Gets information on the painted element.

Namespace: DevExpress.XtraScheduler

Assembly: DevExpress.XtraScheduler.v19.1.dll

Declaration

C#

public ObjectInfoArgs ObjectInfo { get; }

VB.NET

Public ReadOnly Property ObjectInfo As ObjectInfoArgs

Property Value

Type	Description
DevExpress.Utils.Drawing.ObjectInfoArgs	A DevExpress.Utils.Drawing.ObjectInfoArgs class which provides information on the painted element.

Remarks

Use the ObjectInfo property to obtain the painted element’s settings and perform custom painting based upon these settings.

Example

The following sample code handles the SchedulerControl.CustomDrawAppointment event to manually paint appointments. The image below shows the result.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/customdrawappointment-customdrawappointmentbackground-e1142

Form1.cs

using DevExpress.XtraScheduler;
using DevExpress.XtraScheduler.Drawing;
using System.Drawing.Drawing2D;
        private void schedulerControl1_CustomDrawAppointment(object sender, CustomDrawObjectEventArgs e) {
            TimeLineAppointmentViewInfo tlvi = e.ObjectInfo as TimeLineAppointmentViewInfo;
            // This code works only for the Timeline View.
            if(tlvi != null) {
                Rectangle r = e.Bounds;
                r.X += 3;
                r.Y += 3;
                string[] s = tlvi.Appointment.Subject.Split(' ');

                for(int i = 0; i < s.Length; i++) {
                    e.Cache.DrawString(s[i], tlvi.Appearance.Font, new SolidBrush(colorArray[i]),
 r, StringFormat.GenericDefault);
                    SizeF shift = e.Graphics.MeasureString(s[i] + " ", tlvi.Appearance.Font);
                    r.X += (int)shift.Width;
                }

                e.Handled = true;
            }
        }

Form1.vb

Imports DevExpress.XtraScheduler
Imports DevExpress.XtraScheduler.Drawing
Imports System.Drawing.Drawing2D
        Private Sub schedulerControl1_CustomDrawAppointment(ByVal sender As Object, ByVal e As CustomDrawObjectEventArgs) Handles schedulerControl1.CustomDrawAppointment
            Dim tlvi As TimeLineAppointmentViewInfo = TryCast(e.ObjectInfo, TimeLineAppointmentViewInfo)
            ' This code works only for the Timeline View.
            If tlvi IsNot Nothing Then
                Dim r As Rectangle = e.Bounds
                r.X += 3
                r.Y += 3
                Dim s() As String = tlvi.Appointment.Subject.Split(" "c)

                For i As Integer = 0 To s.Length - 1
                    e.Cache.DrawString(s(i), tlvi.Appearance.Font, New SolidBrush(colorArray(i)), r, StringFormat.GenericDefault)
                    Dim shift As SizeF = e.Graphics.MeasureString(s(i) & " ", tlvi.Appearance.Font)
                    r.X += CInt(shift.Width)
                Next i

                e.Handled = True
            End If
        End Sub