public DragHandlerBase()
{
m_wndProcCallBack = new WndProcCallBack(this.WndProc);
}
private static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, WndProcCallBack wndProcCallBack);
private static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, WndProcCallBack wndProcCallBack);
public DragHandlerBase()
{
m_wndProcCallBack = new WndProcCallBack(this.WndProc);
}
private void AssignHandle()
{
m_wndProcCallBack = new WndProcCallBack(this._WndProc);
m_prevWndFunc = SetWindowLong(WinControl.Handle, -4, m_wndProcCallBack); // GWL_WNDPROC = -4
}
