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    [DllImport("user32.dll", EntryPoint = "GetWindowText",

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    public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpWindowText, int nMaxCount);

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        int nLength = user32.GetWindowText(hWnd, strbTitle, strbTitle.Capacity + 1);

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Can be used to find the active window Hwnd for GetWindowText

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Summary

The GetWindowTextLength API

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///     GetWindowTextLength cannot retrieve the length of the text of an edit control in another application.

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///     If the target window is owned by the current process, <see cref="GetWindowTextLength" /> causes a

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///     <see cref="GetWindowTextLength" /> function may return a value that is larger than the actual length of the

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///     occur when an application uses the ANSI version of <see cref="GetWindowTextLength" /> with a window whose window

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///     procedure is Unicode, or the Unicode version of <see cref="GetWindowTextLength" /> with a window whose window

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///     GetWindowText function.

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static extern int GetWindowTextLength(IntPtr hWnd);

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Private Shared Function GetWindowTextLength(ByVal hwnd As IntPtr) As Integer

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class method GetWindowTextLength(hWnd: IntPtr): Int32; external;

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Public Declare Function GetWindowTextLength Lib "user32.dll" Alias "GetWindowTextLengthA" _

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Often used with GetWindowText

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(See GetWindowText.)

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Documentation

[GetWindowTextLength] on MSDN

.

Summary

The GetWindowTextLength API

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static extern int GetWindowTextLength(IntPtr hWnd);

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Private Shared Function GetWindowTextLength(ByVal hwnd As IntPtr) As Integer

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class method GetWindowTextLength(hWnd: IntPtr): Int32; external;

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Public Declare Function GetWindowTextLength Lib "user32.dll" Alias "GetWindowTextLengthA" _

.

Often used with GetWindowText

.

(See GetWindowText.)

.

Documentation

[GetWindowTextLength] on MSDN

.

Summary

The GetWindowTextLength API

.

static extern int GetWindowTextLength(IntPtr hWnd);

.

Private Shared Function GetWindowTextLength(ByVal hwnd As IntPtr) As Integer

.

Public Declare Function GetWindowTextLength Lib "user32.dll" Alias "GetWindowTextLengthA" _

.

Often used with GetWindowText

.

(See GetWindowText.)

.

Documentation

[GetWindowTextLength] on MSDN

.

static int GetWindowTextLength(IntPtr hwnd) {

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    Private Shared Function GetWindowText(hWnd As IntPtr, lpString As StringBuilder, nMaxCount As Integer) As Integer

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        GetWindowText(hwnd, sb, sb.Capacity)