GetHandlesByKey example

Example for GetHandlesByKey method

Private Sub Form1_Load(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles MyBase.Load
    Dim h As Integer
    Command1.Text = "GetHandlesByKey"
    cAvax1.StartAvax()
    h = cAvax1.Add_Line(0, 0, 0, 15, 0, 0)
    Call cAvax1.SetHandleKey(h, "Line #1")
    h = cAvax1.Add_Line(0, 15, 0, 15, 15, 0)
    Call cAvax1.SetHandleKey(h, "Line #2")
    h = cAvax1.Add_Line(15, 0, 0, 15, 15, 0)
    Call cAvax1.SetHandleKey(h, "Line #3")
    h = cAvax1.Add_Line(0, 0, 0, 0, 15, 0)
    Call cAvax1.SetHandleKey(h, "Line #4")
End Sub

Private Sub Form1_FormClosed(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.FormClosedEventArgs) Handles Me.FormClosed
    cAvax1.EndAvax()
End Sub

Private Sub Command1_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command1.Click
    Dim sKey, sStr As String
    Dim lHandles() As Integer
    Dim lMax, lCnt As Integer
    sKey = "Line #3"
    lMax = cAvax1.GetHandlesByKey(sKey, lHandles)
    If lMax = 1 Then
        MsgBox("Handle =" & Str(lHandles(1)), MsgBoxStyle.Information, "GetHandlesByKey")
    ElseIf lMax > 1 Then
        For lCnt = 1 To lMax
            sStr = sStr & Str(lHandles(lCnt)) & " "
        Next lCnt
        MsgBox("Handles =" & sStr, MsgBoxStyle.Information, "GetHandlesByKey")
    Else
        MsgBox("No handles found", MsgBoxStyle.Critical, "GetHandlesByKey")
    End If

End Sub