Disable moving of window

void MyClass::OnMoving(UINT nSide, LPRECT lpRect)
{
	CDialog::OnMoving(nSide, lpRect);

	// TODO: Add your message handler code here and/or call default
	
	// Find Current location of the dialog
	CRect CurRect;
	GetWindowRect(&CurRect);

	// Set current location as the moving location
	lpRect->left = CurRect.left;
	lpRect->top = CurRect.top;
	lpRect->right = CurRect.right;
	lpRect->bottom = CurRect.bottom;
}