Binaryworld - How to clear all controls of a winform or user control? ... [ VB.net -> WinForms ]

Here is the small code snippet to clear most of all controls on your form. This code also take care of containers like group box, panel ... etc.

Click here to copy the following block

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
  ClearControls(Me.Controls)
End Sub

Private Sub ClearControls(ByVal cControls As Windows.Forms.Control.ControlCollection)
  Dim c As Control

  For Each c In cControls

    If TypeOf c Is TextBox Then
      CType(c, TextBox).Text = ""
    ElseIf TypeOf c Is ComboBox Then
      CType(c, ComboBox).Items.Clear()
    ElseIf TypeOf c Is ListView Then
      CType(c, ListView).Items.Clear()
    ElseIf TypeOf c Is TreeView Then
      CType(c, TreeView).Nodes.Clear()
    ElseIf TypeOf c Is CheckBox Then
      CType(c, CheckBox).Checked = False
    ElseIf TypeOf c Is ListBox Then
      CType(c, ListBox).Items.Clear()
    End If

    If c.Controls.Count > 0 Then ClearControls(c.Controls)
  Next
End Sub