[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
VB.NET Signature:
<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
Private Shared Function GetWindowText(ByVal hwnd As IntPtr, ByVal lpString As StringBuilder, ByVal cch As Integer) As Integer
End Function
VB.NET Signature Alternative:
'Imports System.Text
<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Ansi)> _
Public Function GetWindowText(hwnd As IntPtr, <MarshalAs(UnManagedType.LPStr)>lpString As System.Text.StringBuilder, cch As Integer) As Integer
End Function
VB Signature:
Public Declare Function GetWindowText Lib "user32.dll" Alias "GetWindowTextA" _
(ByVal hWnd As Long, _
ByVal prmstrString As String, _
ByVal nMaxCount As Long) As Long
public static string GetText(IntPtr hWnd)
{
// Allocate correct string length first
int length = GetWindowTextLength(hWnd);
StringBuilder sb = new StringBuilder(length + 1);
GetWindowText(hWnd, sb, sb.Capacity);
return sb.ToString();
}
vb.net sample
Public Function GetText(ByVal hWnd As IntPtr) As String
Dim length As Integer
If hWnd.ToInt32 <= 0 Then
Return Nothing
End If
length = GetWindowTextLength(hWnd)
If length = 0 Then
Return Nothing
End If
Dim sb As New System.Text.StringBuilder("", length + 1)
GetWindowText(hWnd, sb, sb.Capacity)
Return sb.ToString()
End Function
class ManagedWinapi.SystemWindow that has a Title property.
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.
12/10/2020 12:10:14 PM - -71.239.92.169
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.
12/10/2020 12:10:14 PM - -71.239.92.169
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.
12/10/2020 12:10:14 PM - -71.239.92.169
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.
12/10/2020 12:10:14 PM - -71.239.92.169
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.
12/10/2020 12:10:14 PM - -71.239.92.169
Copies the text of the specified window's title bar (if it has one) into a buffer. If the specified window is a control, the text of the control is copied. However, GetWindowText cannot retrieve the text of a control in another application, If the target window is owned by the current process, GetWindowText causes a WM_GETTEXT message to be sent to the specified window or control.