How to assign a textbox control in cpp?

I have a silverlight app that uses TextBox XAML controls.

In the c++ code-behind, IXRTextBoxPtr types are associated with these textboxes using "FindName" like this:

FindName(L"ColNum3", &m_pColNum3);

(where ColNum3 corresponds with the XAML CODE like this: )

Then, the code assigns the pointer like this:

std::wstring wsTransfer; // gets the wstring from imput
const WCHAR * wpszInput;
wpszInput = wsTransfer.c_str();
m_pColNum3->SetText(wpszInput);
but the display does not show the text data.

What am I missing? What steps am I missing to have this text modification display on the screen?

If I did not ask this question completely or left something off, please let me know.

Do I have to some sort of databinding?

I don't see where it gets the text either.

This code:

Quote:

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std::wstring wsTransfer; // gets the wstring from imput

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creates a wstring object named wsTransfer using the default constructor of wstring--which does not get text.
Then I see:

Quote:

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const WCHAR * wpszInput;
wpszInput = wsTransfer.c_str();

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This fetches the contents of wsTransfer as a C-style string.