windowsforms-devexpress-dot-xtraeditors-dot-progressbarcontrol-43107256.md
Changes the progress bar’s position by the RepositoryItemProgressBar.Step property value.
Namespace : DevExpress.XtraEditors
Assembly : DevExpress.XtraEditors.v25.2.dll
NuGet Package : DevExpress.Win.Navigation
public virtual void PerformStep()
Public Overridable Sub PerformStep
The PerformStep method increments the control’s value (ProgressBarControl.Position) by the RepositoryItemProgressBar.Step property value.
You can also change the control’s value using one of the following approaches:
The control’s value cannot exceed the range specified by the RepositoryItemProgressBar.Minimum and RepositoryItemProgressBar.Maximum values.
In the code fragment below, a DeleteFiles method removes all files contained within the directory specified by the source parameter. The ProgressBarControl is used to display the progress of file delete operations. The RepositoryItemProgressBar.Minimum and RepositoryItemProgressBar.Maximum properties are used to specify a range for the progress bar that is equivalent to the number of files to be removed. The code also uses the RepositoryItemProgressBar.Step property with the ProgressBarControl.PerformStep method, to increment the position of the progress bar as soon as a file is removed.
using System.IO;
using DevExpress.XtraEditors.Controls;
// ...
private void DeleteFiles(string source){
if (Directory.Exists(source)){
string[] fileEntries = Directory.GetFiles(source);
// Initializing progress bar properties
progressBarControl1.Properties.Step = 1;
progressBarControl1.Properties.PercentView = true;
progressBarControl1.Properties.Maximum = fileEntries.Length;
progressBarControl1.Properties.Minimum = 0;
// Removing the list of files found in the specified directory
foreach(string fileName in fileEntries){
File.Delete(fileName);
progressBarControl1.PerformStep();
progressBarControl1.Update();
}
}
}
// ...
DeleteFiles("d:\\Temp");
Imports System.IO
Imports DevExpress.XtraEditors.Controls
' ...
Private Sub DeleteFiles(ByVal source As String)
If Directory.Exists(source) Then
Dim fileEntries As String() = Directory.GetFiles(source)
' Initializing progress bar properties
progressBarControl1.Properties.Step = 1
progressBarControl1.Properties.PercentView = True
progressBarControl1.Properties.Maximum = fileEntries.Length
progressBarControl1.Properties.Minimum = 0
' Removing the list of files found in the specified directory
For Each fileName As String In fileEntries
File.Delete(fileName)
progressBarControl1.PerformStep()
progressBarControl1.Update()
Next fileName
End If
End Sub
' ...
DeleteFiles("d:\Temp")
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the PerformStep() method.
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.
winforms-scheduler-create-appointments-on-reminder-alert/CS/ReminderCustomActions/Form1.cs#L131
if (this.progressBarControl1.Position > this.progressBarControl1.Properties.Minimum) {
this.progressBarControl1.PerformStep();
} else {
winforms-scheduler-create-appointments-on-reminder-alert/VB/ReminderCustomActions/Form1.vb#L134
If Me.progressBarControl1.Position > Me.progressBarControl1.Properties.Minimum Then
Me.progressBarControl1.PerformStep()
Else
See Also