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

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ObjectInfo property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-schedulercontrol-api-t224044/CS/SchedulerAPISample/CodeExamples/Selection.cs#L20

SelectableIntervalViewInfo cell =
    e.ObjectInfo as SelectableIntervalViewInfo;
if (cell != null) {

scheduler-reporting-custom-painting-using-customdraw-events-e2758/CS/SchedulerReportCustomDraw/XtraSchedulerReport1.cs#L83

{
    ResourceHeader header = (ResourceHeader)e.ObjectInfo;
    SchedulerColorSchema schema = this.GetResourceColorSchema(header.Resource);

how-to-display-appointment-counter-at-the-scheduler-headers-e1840/CS/AppointmentCountInResourceHeader/Form1.cs#L28

private void schedulerControl1_CustomDrawResourceHeader(object sender, CustomDrawObjectEventArgs e) {
    ResourceHeader rh = e.ObjectInfo as ResourceHeader;
    if(rh != null) {

scheduler-control-use-the-custom-draw-appointment-custom-draw-appointment-background-events/CS/CustomDrawDemo/Form1.cs#L118

private void schedulerControl1_CustomDrawAppointment(object sender, CustomDrawObjectEventArgs e) {
    TimeLineAppointmentViewInfo tlvi = e.ObjectInfo as TimeLineAppointmentViewInfo;
    // This code works only for the Timeline View.

how-to-create-a-time-cell-area-restricted-for-appointments-e58/CS/Form1.cs#L48

private void schedulerControl1_CustomDrawTimeCell(object sender, DevExpress.XtraScheduler.CustomDrawObjectEventArgs e) {
    if (e.ObjectInfo is TimeCell) {
        TimeCell tc = e.ObjectInfo as TimeCell;

VB.NET

winforms-schedulercontrol-api-t224044/VB/SchedulerAPISample/CodeExamples/Selection.vb#L19

Public Shared Sub scheduler_CustomDrawTimeCell_1(ByVal sender As Object, ByVal e As DevExpress.XtraScheduler.CustomDrawObjectEventArgs)
    Dim cell As SelectableIntervalViewInfo = TryCast(e.ObjectInfo, SelectableIntervalViewInfo)
    If cell IsNot Nothing Then

scheduler-reporting-custom-painting-using-customdraw-events-e2758/VB/SchedulerReportCustomDraw/XtraSchedulerReport1.vb#L34

Private Sub dayViewTimeCells1_CustomDrawTimeCell(ByVal sender As Object, ByVal e As CustomDrawObjectEventArgs)
    Dim cell As TimeCell = CType(e.ObjectInfo, TimeCell)
    Dim rect As Rectangle = e.Bounds

how-to-display-appointment-counter-at-the-scheduler-headers-e1840/VB/AppointmentCountInResourceHeader/Form1.vb#L30

Private Sub schedulerControl1_CustomDrawResourceHeader(ByVal sender As Object, ByVal e As CustomDrawObjectEventArgs) Handles schedulerControl1.CustomDrawResourceHeader
    Dim rh As ResourceHeader = TryCast(e.ObjectInfo, ResourceHeader)
    If rh IsNot Nothing Then

scheduler-control-use-the-custom-draw-appointment-custom-draw-appointment-background-events/VB/CustomDrawDemo/Form1.vb#L117

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.

how-to-create-a-time-cell-area-restricted-for-appointments-e58/VB/Form1.vb#L45

Private Sub schedulerControl1_CustomDrawTimeCell(ByVal sender As Object, ByVal e As DevExpress.XtraScheduler.CustomDrawObjectEventArgs) Handles schedulerControl1.CustomDrawTimeCell
    If TypeOf e.ObjectInfo Is TimeCell Then
        Dim tc As TimeCell = TryCast(e.ObjectInfo, TimeCell)