//this will create a single instance of form
public static frmManageProduct CreateInstance()
{
frmManageProduct f;
if (thisform == null)
{
thisform = new frmManageProduct();
}
f = (frmManageProduct)thisform;
return(f);
}
private void showManageProductDetails()
{
//Create Only One Instance of Form
frmManageProduct f = frmManageProduct.CreateInstance();
//settings for frmManageProduct
f.MdiParent = this;
f.dataGrid.Width = Width - (imgAd.Width + 35);
showManaged(f);
showToolbars(new bool[] { false, false, false, false, true });
}