why text box is not accepting like LXLCLASS10 IN VB.NET

Create your own texbox ,

///

/// Interop Enabled TextBox : This TextBox will properly handle WM_GETDLGCODE Messages allowing Key Input

///

class IOTextBox : TextBox

{

private const UInt32 DLGC_WANTARROWS = 0x0001;

private const UInt32 DLGC_WANTTAB = 0x0002;

private const UInt32 DLGC_WANTALLKEYS = 0x0004;

private const UInt32 DLGC_HASSETSEL = 0x0008;

private const UInt32 DLGC_WANTCHARS = 0x0080;

private const UInt32 WM_GETDLGCODE = 0x0087;

public IOTextBox() : base()

{

Loaded += delegate

{

HwndSource s = HwndSource.FromVisual(this) as HwndSource;

if (s != null)

s.AddHook(new HwndSourceHook(ChildHwndSourceHook));

};

}

IntPtr ChildHwndSourceHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)

{

if (msg == WM_GETDLGCODE)

{

handled = true;

return new IntPtr(DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_HASSETSEL);

}

return IntPtr.Zero;

}

2 Replies

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Ajaz Khan9y ago
thank you bro for given replay

but i am using visual studio 2015 than how to use custom textbox in that
Sundaram Subramanian9y ago
Create your own texbox ,

///
/// Interop Enabled TextBox : This TextBox will properly handle WM_GETDLGCODE Messages allowing Key Input
///
class IOTextBox : TextBox
{
private const UInt32 DLGC_WANTARROWS = 0x0001;
private const UInt32 DLGC_WANTTAB = 0x0002;
private const UInt32 DLGC_WANTALLKEYS = 0x0004;
private const UInt32 DLGC_HASSETSEL = 0x0008;
private const UInt32 DLGC_WANTCHARS = 0x0080;
private const UInt32 WM_GETDLGCODE = 0x0087;
public IOTextBox() : base()
{
Loaded += delegate
{
HwndSource s = HwndSource.FromVisual(this) as HwndSource;
if (s != null)
s.AddHook(new HwndSourceHook(ChildHwndSourceHook));
};
}
IntPtr ChildHwndSourceHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == WM_GETDLGCODE)
{
handled = true;
return new IntPtr(DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_HASSETSEL);
}
return IntPtr.Zero;
}
}