Folder browser Callback Event in Windows Forms Folder Browser
27 Apr 20211 minute to read
The FolderBrowserCallback event occurs when an event within the folder browser dialog triggers a call to the validation callback. The event handler receives an argument of type FolderBrowserCallbackEventArgs.
The following FolderBrowserCallbackEventArgs members provide information specific to this event.
| Members | Description |
|---|---|
| Dismiss | Specifies whether the dialog is either dismissed or retained depending upon this value. |
| FolderBrowserCallbackSetState | Gets/sets the Folder Browser dialog's state. |
| BrowseCallbackText | Gets/sets the contextual string based upon the FolderBrowserCallbackSetState property. |
| FolderBrowserMessage | Returns a value indention the event. |
| Path | Returns valid or invalid folder name. |
| Window | Returns window handle of browser dialog box. |
It can be handled when browser validation is required.
This handler is functionally equivalent to the Win32 BrowseCallbackProc callback function.
private void folderBrowser1_BrowseCallback(object sender, Syncfusion.Windows.Forms.FolderBrowserCallbackEventArgs e)
{
// We can log the events and Folder Browser Message to the Label control.
this.label1.Text = String.Format("Event: {0}, Path: {1}", e.FolderBrowserMessage, e.Path);
if (e.FolderBrowserMessage == FolderBrowserMessage.ValidateFailed)
{
e.Dismiss = e.Path != "NONE";
}
}Private Sub folderBrowser1_BrowseCallback(ByVal sender As Object, ByVal e As Syncfusion.Windows.Forms.FolderBrowserCallbackEventArgs)
' We can log the events and Folder Browser Message to the Label control.
Me.label1.Text = String.Format("Event: {0}, Path: {1}", e.FolderBrowserMessage, e.Path)
If e.FolderBrowserMessage = FolderBrowserMessage.ValidateFailed Then
e.Dismiss = e.Path <> "NONE"
End If
End Sub