Using window handles in managed code

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Clyde - 02 Jun 2004 21:56 GMT

In a managed class implemented as a com object, I want to pass a window handle from the client into the com object and use it as the parent of a form shown as a dialog. How can I convert the handle (passed as a long) into a IWin32Window object

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Saurabh - 03 Jun 2004 10:19 GMT

IWin32Window is an interface so you will have to create a class which
implements this interface and then use this class for your stuff.

internal class MyNativeWindow : IWin32Window
{
private IntPtr m_MyHandle;

internal MyNativeWindow (long handle)
{
m_MyHandle = new IntPtr(handle);
}

public System.IntPtr Handle
{
get
{
return m_MyHandle;
}
}
}

and when you want to show the dialog,

Form f = new YourForm(); //create your form

ParentWindow = new MyNativeWindow (<whatever handle value you have got>);
f.ShowDialog(ParentWindow);

HTH,

--Saurabh

> In a managed class implemented as a com object, I want to pass a window handle from the client into the com object and use it as the parent of a

form shown as a dialog. How can I convert the handle (passed as a long)
into a IWin32Window object.

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Clyde LeFevre - 03 Jun 2004 15:54 GMT

Thanks, that looks just what I need.

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Using window handles in managed code

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