public void IsBindingSuspendedTest()
{
Control c = new Control();
c.BindingContext = new BindingContext();
MockItem item = new MockItem("A", 0);
MockItem [] items = new MockItem [] { item };
BindingManagerBase manager = c.BindingContext [item];
BindingManagerBase manager2 = c.BindingContext [items];
Assert.IsFalse(manager.IsBindingSuspended, "#A1");
Assert.IsFalse(manager2.IsBindingSuspended, "#A2");
manager.SuspendBinding();
manager2.SuspendBinding();
Assert.IsFalse(manager.IsBindingSuspended, "#B1");
Assert.IsTrue(manager2.IsBindingSuspended, "#B2");
manager.ResumeBinding();
manager2.ResumeBinding();
Assert.IsFalse(manager.IsBindingSuspended, "#C1");
Assert.IsFalse(manager2.IsBindingSuspended, "#C2");
}
/// <summary>
/// Handles the ItemCheck event of the cblCategories control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="ItemCheckEventArgs"/> instance containing the event data.</param>
void cblCategories_ItemCheck(object sender, ItemCheckEventArgs e)
{
//finding out which category we are talking about
Category category = this.cblCategories.Items[e.Index] as Category;
BindingManagerBase bindingContext = this.gvProducts.BindingContext[this.gvProducts.DataSource];
if (category != null)
{
//getting all rows that contains products with the category weare dealing with
string categoryColName = DataTableConstans.COL_NAME_CATEGORYOBJECT;
IEnumerable <DataGridViewRow> enumeratedRows =
this.gvProducts.Rows.Cast <DataGridViewRow>().Where(row => (row.Cells[categoryColName].Value as Category) != null &&
(row.Cells[categoryColName].Value as Category).guid == category.guid);
List <DataGridViewRow> relevantRows = enumeratedRows.ToList();
//setting visibility
bool showRows = e.NewValue == CheckState.Checked;
bindingContext.SuspendBinding();
this.gvProducts.SuspendLayout();
//relevantRows.ForEach(row => row.Visible = showRows);
foreach (DataGridViewRow currRow in relevantRows)
{
currRow.Visible = showRows;
}
this.gvProducts.ResumeLayout(true);
bindingContext.ResumeBinding();
}
}
private void setLogOption()
{
BindingManagerBase bmOrders = logForm.BindingContext[log.getLogList()];
bmOrders.SuspendBinding();
logOptChosen.SetName(txtLogName.Text);
logOptChosen.SetFileName(txtLogFileName.Text);
logOptChosen.SetEnabled(chkEnableLog.Checked);
List <Logger.LoggingOption> options = logOptChosen.getOptions();
System.Collections.IEnumerator myEnumerator = options.GetEnumerator();
while (myEnumerator.MoveNext())
{
Logger.LoggingOption option = (Logger.LoggingOption)(myEnumerator.Current);
int idx = lstOptions.Items.IndexOf(option);
bool sel = lstOptions.GetSelected(idx);
int idx2 = options.IndexOf(option);
//options[idx2].SetEnabled(sel);
option.enabled = sel;
}
bmOrders.ResumeBinding();
//logFrm.setLogOption(logOptChosen);
}
//This causes the results list to refreash incase items are removed etc.
public void refreshBindings()
{
BindingManagerBase bmb = this.ResultsDataGridView.BindingContext[this.view];
bmb.SuspendBinding();
bmb.ResumeBinding();
}
private void InitTargetNum()
{
BindingManagerBase bindMB = cmbTarget.BindingContext[contactList];
bindMB.SuspendBinding();
bindMB.ResumeBinding();
cmbTarget.DataSource = contactList;
cmbTarget.DisplayMember = "DisplayName";
}
private void ContactListBindData()
{
BindingManagerBase bindMB = listContactList.BindingContext[contactList];
bindMB.SuspendBinding();
bindMB.ResumeBinding();
listContactList.DataSource = contactList;
listContactList.DisplayMember = "DisplayName";
}
private void btnAddToDomainFilterList_Click(object sender, EventArgs e)
{
if (this.tbDomain.Text != "")
{
this.xa.Settings.domainFilters.Add(this.tbDomain.Text);
this.tbDomain.Text = "";
BindingManagerBase bmb = this.lbDomainFilters.BindingContext[this.xa.Settings.domainFilters];
bmb.SuspendBinding();
bmb.ResumeBinding();
}
}
private void btnRemoveDomainFilter_Click(object sender, EventArgs e)
{
if (this.lbDomainFilters.SelectedIndex >= 0)
{
string s = this.xa.Settings.domainFilters[this.lbDomainFilters.SelectedIndex];
this.tbDomain.Text = s;
this.xa.Settings.domainFilters.Remove(s);
BindingManagerBase bmb = this.lbDomainFilters.BindingContext[this.xa.Settings.domainFilters];
bmb.SuspendBinding();
bmb.ResumeBinding();
}
}
// </Snippet1>
// <Snippet2>
private void button4_Click(object sender, EventArgs e)
{
try
{
BindingManagerBase myBindingManager2 = BindingContext [myDataSet, "Customers"];
myBindingManager2.ResumeBinding();
}
catch (Exception ex)
{
MessageBox.Show(ex.Source);
MessageBox.Show(ex.Message);
}
}
//将适合过滤条件的数据显示在DataGridView中
void ShowGoods()
{
BindingManagerBase cm = (CurrencyManager)BindingContext[dataGridView1.DataSource];
cm.SuspendBinding(); //挂起数据绑定
//FillGoodsTypeList(); //将选择的类别列表填充完整
//MessageBox.Show("Show:"+l_GoodsTypeList.Count.ToString());
int row = dataGridView1.Rows.Count; //得到总行数
for (int i = 0; i < row; i++)
{
//MessageBox.Show(dataGridView1.Rows[i].Cells[3].Value.ToString());
bool sFlag = true;
if (b_HideZeroStock)
{
string ts = dataGridView1.Rows[i].Cells["LastQty"].Value.ToString();
//检测0库存
if (ts == "0")
{
sFlag = false;
goto DoShow;
}
}
int tGID = Convert.ToInt32(dataGridView1.Rows[i].Cells["GoodsID"].Value.ToString());
//检测货品类别
int tiTypeID = Convert.ToInt32(dataGridView1.Rows[i].Cells["GoodsTypeID"].Value.ToString());
if (!l_GoodsTypeList.Contains(tiTypeID))
{
sFlag = false;
goto DoShow;
}
//检测品名过滤
string s1 = dataGridView1.Rows[i].Cells["GoodsName"].Value.ToString();
string s2 = textBoxFindGoods.Text.Trim();
if (s1.IndexOf(s2) == -1)
{
sFlag = false;
goto DoShow;
}
DoShow:
dataGridView1.Rows[i].Visible = sFlag;
}
cm.ResumeBinding(); //恢复数据绑定
}
private void btnAddNew_Click(object sender, EventArgs e)
{
string newLogName = "Log " + (cmbLog.Items.Count);
if (!cmbLog.Items.Contains(newLogName))
{
// Helps in repopulating of combobox.
BindingManagerBase bmOrders = this.BindingContext[log.getLogList()];
bmOrders.SuspendBinding();
log.AddNewLogger(newLogName);
bmOrders.ResumeBinding();
}
else
{
MessageBox.Show("?");
return;
}
cmbLog.SelectedItem = log.FindLogger(newLogName);
logOptChosen = (Logger)cmbLog.SelectedItem;
if (logOption == null || logOption.IsDisposed)
{
logOption = new EditLogForm(log, logOptChosen, this);
}
logOption.Show();
/*
* if (addOption == null || addOption.IsDisposed)
* {
* addOption = new AddLogForm(this, log);
* }
* addOption.Show();
* */
}