Get Textbox Line Count Using SendMessage Function In user32 Library

Get Textbox Line Count Using SendMessage Function In user32 Library

Const EM_GETLINECOUNT As Integer = &HBA

Declare Function SendMessage Lib "user32" Alias "SendMessageA" _
(ByVal hwnd As IntPtr, ByVal wMsg As Integer, ByVal wParam As Integer, _
ByVal lParam As Integer) As Integer

Trace.WriteLine(SendMessage(TextBox1.Handle, EM_GETLINECOUNT, 0, 0))