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setwindowtext (user32)
 
.
Summary

C# Signature:

[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool SetWindowText(IntPtr hwnd, String lpString);

VB.Net Signature:

<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
Private Shared Function SetWindowText(ByVal hwnd As IntPtr, ByVal lpString As String) As Boolean
End Function

VB Signature:

Declare Auto Function SetWindowText Lib "user32" (ByVal hWnd As IntPtr, ByVal lpstring As String) As Boolean

User-Defined Types:

None.

Notes:

The handle used cannot be used to make a Form from Form.FromHandle() or from Control.FromHandle().

Tips & Tricks:

Please add some!

C# Sample Code:

SetWindowText(Process.GetCurrentProcess().MainWindowHandle, "Amazing!");

Alternative Managed API:

Do you know one? Please contribute it!

Documentation
Note
This SetWindowText will set text to the controls(textbox for example) in the same process. If they exist in other processes, use SendMessage instead... - jp

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