private void RasterCalculatorToolStripMenuItem_Click(object sender, EventArgs e)
{
RasterCalculator frmRstCalDlg = new RasterCalculator(this, m_mapControl.Map);
frmRstCalDlg.Show();
}
private void RasterCalculator_FormClosed(object sender, FormClosedEventArgs e)
{
RasterCalculator.TmpFrmRasterCalculatornew = null;
}