Find Method (RichTextBox)

Searches for text in the content of the RichTextBox control.

Overload List

Overload	Description
Find(Char[])	Searches the text of a RichTextBox control for the first instance of a character from a list of characters.
Find(String)	Searches the text of the RichTextBox control for a string.
Find(String,Int32)	Searches the text in the RichTextBox control for a specified string starting at a specified location.
Find(String,Int32,FindOptions)	Searches the text in the RichTextBox control for a specified string starting at a specified location and with specific options applied to the search.

Example

Private void Detail_Format(object sender, System.EventArgs eArgs)
{
    if (this.RichTextBox1.Find("past due")!= -1)
    {
        this.txtPayNow.Visible=true;
    }
    else
    {
        this.txtPayNow.Visible=false;
    }
}

Visual Basic

Private Sub Detail_Format(ByVal sender As Object, ByVal e As System.EventArgs) Handles Detail.Format
    If Not Me.RichTextBox1.Find("past due") = -1 Then
        Me.txtPayNow.Visible = True
    Else
        Me.txtPayNow.Visible = False
    End If
End Sub

Reference

RichTextBox Class
RichTextBox Members