public static ManageCategory createInstance()
{
if (manageCaetgory == null)
{
manageCaetgory = new ManageCategory();
}
return(manageCaetgory);
}
private void manageCategoryBtn_Click(object sender, EventArgs e)
{
ManageCategory manageCategory = ManageCategory.createInstance();
manageCategory.ShowDialog();
if (manageCategory.Focused == false)
{
this.Focus();
loadCategories();
}
}