/// <summary>
/// Sets the Focus to a databound control within a given Form or a UserControl by
/// specifying the column to which it is bound.
///
/// </summary>
/// <param name="AContainerControl">Either a Form or a UserControl.</param>
/// <param name="ABindingManagerBase">BindingManagerBase where the data binding
/// information is stored</param>
/// <param name="AColumnName">Name of the column whose databound control should get the
/// focus.</param>
/// <returns>Name of the control, or empty string if not found.
/// </returns>
public static String SetFocusOnDataBoundControlInternal(ContainerControl AContainerControl,
BindingManagerBase ABindingManagerBase,
String AColumnName)
{
Int16 Counter1;
String ControlName;
ControlName = "";
// MessageBox.Show('SetFocusOnDataBoundControlInternal: looking for control that belongs to DataColumn ' + AColumnName + '...');
// MessageBox.Show('Number of Bindings: ' + ABindingManagerBase.Bindings.Count.ToString);
for (Counter1 = 0; Counter1 <= ABindingManagerBase.Bindings.Count - 1; Counter1 += 1)
{
// MessageBox.Show('ABindingManagerBase.Bindings.Item[Counter1].BindingMemberInfo.BindingField: ' + ABindingManagerBase.Bindings.Item[Counter1].BindingMemberInfo.BindingField);
if (ABindingManagerBase.Bindings[Counter1].BindingMemberInfo.BindingField == AColumnName)
{
// MessageBox.Show('BmbPartnerLocation.Bindings.Item[Counter1].Control.Name: ' + ABindingManagerBase.Bindings.Item[Counter1].Control.Name);
ControlName = TFocusing.SetFocusOnControlInFormOrUserControl(AContainerControl,
ABindingManagerBase.Bindings[Counter1].Control.Name);
break;
}
}
return ControlName;
}
public RelatedCurrencyManager (BindingManagerBase parent, PropertyDescriptor prop_desc)
: base (prop_desc.GetValue (parent.Current))
{
this.parent = parent;
this.prop_desc = prop_desc;
parent.PositionChanged += new EventHandler (parent_PositionChanged);
}
private static object GetCurrentOrNull(BindingManagerBase parentManager)
{
if ((parentManager.Position < 0) || (parentManager.Position >= parentManager.Count))
{
return null;
}
return parentManager.Current;
}
private DataRow GetRow()
{
System.Windows.Forms.BindingManagerBase bm = this.BindingContext[this.dsInitializeData, "Student"];
DataRowView drvx = (System.Data.DataRowView)bm.Current;
return(drvx.Row);
throw new NotImplementedException();
}
private void WireParentManager(BindingManagerBase bmb) {
if (bmb != null) {
bmb.CurrentItemChanged += new EventHandler(ParentManager_CurrentItemChanged);
if (bmb is CurrencyManager) {
(bmb as CurrencyManager).MetaDataChanged += new EventHandler(ParentManager_MetaDataChanged);
}
}
}
public RelatedPropertyManager (BindingManagerBase parent, string property_name)
{
this.parent = parent;
this.property_name = property_name;
if (parent.Position != -1)
SetDataSource (parent.Current);
parent.PositionChanged += new EventHandler (parent_PositionChanged);
}
// Add an entry to this collection.
protected internal void Add
(Object dataSource, BindingManagerBase listManager)
{
AddCore(dataSource, listManager);
#if CONFIG_COMPONENT_MODEL
OnCollectionChanged
(new CollectionChangeEventArgs
(CollectionChangeAction.Add, dataSource));
#endif
}
public RelatedPropertyManager(BindingManagerBase parent, string property_name)
{
this.parent = parent;
this.property_name = property_name;
if (parent.Position != -1)
{
SetDataSource(parent.Current);
}
parent.PositionChanged += new EventHandler(parent_PositionChanged);
}
public FRM_CATEGORIES()
{
InitializeComponent();
da = new SqlDataAdapter("SELECT ID_CAT as 'رقم',DESCRIPTION_CAT as 'الصنف' FROM CATEGORIES", sqlcon);
da.Fill(dt);
dataGridView1.DataSource = dt;
txtID.DataBindings.Add("text", dt, "رقم");
txtDes.DataBindings.Add("text", dt, "الصنف");
bmb = this.BindingContext[dt];
lblPosition.Text = (bmb.Position + 1) + " / " + bmb.Count;
}
private void WireParentManager(BindingManagerBase bmb)
{
if (bmb != null)
{
bmb.CurrentItemChanged += new EventHandler(this.ParentManager_CurrentItemChanged);
if (bmb is CurrencyManager)
{
(bmb as CurrencyManager).MetaDataChanged += new EventHandler(this.ParentManager_MetaDataChanged);
}
}
}
private void Bind(BindingManagerBase parentManager, string dataField) {
Debug.Assert(parentManager != null, "How could this be a null parentManager.");
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (fieldInfo == null)
throw new ArgumentException(SR.GetString(SR.RelatedListManagerChild, dataField));
// this.finalType = fieldInfo.PropertyType;
parentManager.CurrentItemChanged += new EventHandler(ParentManager_CurrentItemChanged);
Refresh();
}
private void Bind(BindingManagerBase parentManager, string dataField)
{
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (this.fieldInfo == null)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("RelatedListManagerChild", new object[] { dataField }));
}
parentManager.CurrentItemChanged += new EventHandler(this.ParentManager_CurrentItemChanged);
this.Refresh();
}
private void Bind(BindingManagerBase parentManager, string dataField)
{
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (this.fieldInfo == null)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("RelatedListManagerChild", new object[] { dataField }));
}
parentManager.CurrentItemChanged += new EventHandler(this.ParentManager_CurrentItemChanged);
this.Refresh();
}
protected virtual void AddCore(object dataSource, BindingManagerBase listManager)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (listManager == null)
{
throw new ArgumentNullException("listManager");
}
this.listManagers[this.GetKey(dataSource, "")] = new WeakReference(listManager, false);
}
private void UnwireParentManager(BindingManagerBase bmb)
{
if (bmb is not null)
{
bmb.CurrentItemChanged -= new EventHandler(ParentManager_CurrentItemChanged);
if (bmb is CurrencyManager)
{
(bmb as CurrencyManager).MetaDataChanged -= new EventHandler(ParentManager_MetaDataChanged);
}
}
}
protected virtual void AddCore(object dataSource, BindingManagerBase listManager)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (listManager == null)
{
throw new ArgumentNullException("listManager");
}
this.listManagers[this.GetKey(dataSource, "")] = new WeakReference(listManager, false);
}
protected virtual void AddCore
(Object dataSource, BindingManagerBase listManager)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (listManager == null)
{
throw new ArgumentNullException("listManager");
}
list[new BindingHashEntry(dataSource, String.Empty)] =
listManager;
}
internal RelatedCurrencyManager(BindingManagerBase parentManager, string dataField) : base(null)
{
Debug.Assert(parentManager != null, "How could this be a null parentManager.");
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (fieldInfo == null || !typeof(IList).IsAssignableFrom(fieldInfo.PropertyType))
{
throw new ArgumentException(SR.GetString(SR.RelatedListManagerChild, dataField));
}
this.finalType = fieldInfo.PropertyType;
parentManager.CurrentChanged += new EventHandler(ParentManager_CurrentChanged);
ParentManager_CurrentChanged(parentManager, EventArgs.Empty);
}
private void Bind(BindingManagerBase parentManager, string dataField)
{
Debug.Assert(parentManager != null, "How could this be a null parentManager.");
this.parentManager = parentManager;
this.dataField = dataField;
fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (fieldInfo == null)
{
throw new ArgumentException(string.Format(SR.RelatedListManagerChild, dataField));
}
parentManager.CurrentItemChanged += new EventHandler(ParentManager_CurrentItemChanged);
Refresh();
}
internal void Bind(BindingManagerBase parentManager, string dataField)
{
this.UnwireParentManager(this.parentManager);
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if ((this.fieldInfo == null) || !typeof(IList).IsAssignableFrom(this.fieldInfo.PropertyType))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("RelatedListManagerChild", new object[] { dataField }));
}
base.finalType = this.fieldInfo.PropertyType;
this.WireParentManager(this.parentManager);
this.ParentManager_CurrentItemChanged(parentManager, EventArgs.Empty);
}
internal void Bind(BindingManagerBase parentManager, string dataField)
{
this.UnwireParentManager(this.parentManager);
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if ((this.fieldInfo == null) || !typeof(IList).IsAssignableFrom(this.fieldInfo.PropertyType))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("RelatedListManagerChild", new object[] { dataField }));
}
base.finalType = this.fieldInfo.PropertyType;
this.WireParentManager(this.parentManager);
this.ParentManager_CurrentItemChanged(parentManager, EventArgs.Empty);
}
/// <include file='doc\BindingContext.uex' path='docs/doc[@for="BindingContext.AddCore"]/*' />
/// <devdoc>
/// </devdoc>
protected virtual void AddCore(object dataSource, BindingManagerBase listManager)
{
/* !!THIS METHOD IS OBSOLETE AND UNUSED!! */
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (listManager == null)
{
throw new ArgumentNullException("listManager");
}
// listManagers[dataSource] = listManager;
listManagers[GetKey(dataSource, "")] = new WeakReference(listManager, false);
}
protected virtual void AddCore(object dataSource, BindingManagerBase listManager)
{
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (listManager == null)
{
throw new ArgumentNullException("listManager");
}
HashKey key = new HashKey(dataSource, String.Empty);
managers [key] = listManager;
}
private void MultipleControlBinding_Load(object sender, EventArgs e)
{
DataTable dt = Program.StoreDB.GetProducts();
cboModelName.DataSource = dt;
cboModelName.DisplayMember = "ModelName";
lblModelNumber.DataBindings.Add("Text", dt, "ModelNumber");
lblUnitCost.DataBindings.Add("Text", dt, "UnitCost", true, DataSourceUpdateMode.OnPropertyChanged, 0, "C");
lblDescription.DataBindings.Add("Text", dt, "Description");
// Keep track of the binding context.
storeBinding = this.BindingContext[dt];
storeBinding.PositionChanged += new EventHandler(Binding_PositionChanged);
}
internal void SetBindingManagerBase(BindingManagerBase lManager)
{
if (bindingManager == lManager)
{
return;
}
// remove notification from the backEnd
if (bindingManager != null && fieldInfo != null && bindingManager.IsBinding && !(bindingManager is CurrencyManager))
{
fieldInfo.RemoveValueChanged(bindingManager.Current, new EventHandler(PropValueChanged));
fieldInfo = null;
}
this.bindingManager = lManager;
CheckBinding();
}
internal void SetListManager(BindingManagerBase bindingManagerBase)
{
if (this.bindingManagerBase is CurrencyManager)
{
((CurrencyManager)this.bindingManagerBase).MetaDataChanged -= new EventHandler(binding_MetaDataChanged);
}
this.bindingManagerBase = bindingManagerBase;
if (this.bindingManagerBase is CurrencyManager)
{
((CurrencyManager)this.bindingManagerBase).MetaDataChanged += new EventHandler(binding_MetaDataChanged);
}
this.BindToObject.SetBindingManagerBase(bindingManagerBase);
CheckBinding();
}
internal void SetListManager(BindingManagerBase newBindingManagerBase)
{
if (_bindingManagerBase is CurrencyManager oldCurrencyManagEr)
{
oldCurrencyManagEr.MetaDataChanged -= new EventHandler(binding_MetaDataChanged);
}
_bindingManagerBase = newBindingManagerBase;
if (newBindingManagerBase is CurrencyManager newCurrencyManager)
{
newCurrencyManager.MetaDataChanged += new EventHandler(binding_MetaDataChanged);
}
_bindToObject.SetBindingManagerBase(newBindingManagerBase);
CheckBinding();
}
private void button1_Click(object sender, EventArgs e)
{
string Command = sqlcom.CommandText;
sqlcom.CommandText = "update reports set score=" + textBox3.Text +
" where sno in ( select sno from students where sname='" +
textBox1.Text + "') and cno in ( " + "select cno from courses where cname='"
+ textBox2.Text + "')";
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
/////////////////////////////////
BMB = this.BindingContext[dv];
int index = BMB.Position;
////////////////////////////////
ds.Reset();
sqlcom.CommandText = Command;
sqlda.SelectCommand = sqlcom;
sqlcon.Open();
sqlda.Fill(ds);
sqlcon.Close();
string filter = dv.RowFilter;
dv = ds.Tables[0].DefaultView;
dv.RowFilter = filter;
dataGridView1.DataSource = dv;
//////////////////////////////////
BMB = this.BindingContext[dv];
BMB.Position = index;
///////////////////////////////
textBox1.DataBindings.Clear();
textBox1.DataBindings.Add(new Binding("Text", dv, "学生"));
textBox2.DataBindings.Clear();
textBox2.DataBindings.Add(new Binding("Text", dv, "课程"));
textBox3.DataBindings.Clear();
textBox3.DataBindings.Add(new Binding("Text", dv, "成绩"));
statusBar1.Text = "成绩更新成功";
Thread.Sleep(1000);
statusBar1.Text = "状态栏 无消息";
}
private void MasterDetail_Load(object sender, EventArgs e)
{
ds = Program.StoreDB.GetCategoriesAndProducts();
// Bind the lists to different tables.
lstCategory.DataSource = ds.Tables["Categories"];
lstCategory.DisplayMember = "CategoryName";
lstProduct.DataSource = ds.Tables["Products"];
lstProduct.DisplayMember = "ModelName";
// Track the binding context and handle position changing.
categoryBinding = this.BindingContext[ds.Tables["Categories"]];
categoryBinding.PositionChanged += new EventHandler(Binding_PositionChanged);
// Update child table at startup.
UpdateProducts();
}
public static void UpdateBinding(BindingContext newBindingContext, Binding binding)
{
BindingManagerBase bindingManagerBase = binding.BindingManagerBase;
if (bindingManagerBase != null)
{
bindingManagerBase.Bindings.Remove(binding);
}
if (newBindingContext != null)
{
if (binding.BindToObject.BindingManagerBase is PropertyManager)
{
CheckPropertyBindingCycles(newBindingContext, binding);
}
BindToObject bindToObject = binding.BindToObject;
newBindingContext.EnsureListManager(bindToObject.DataSource, bindToObject.BindingMemberInfo.BindingPath).Bindings.Add(binding);
}
}
internal void Check()
{
if (control == null || control.BindingContext == null)
{
return;
}
if (manager == null)
{
manager = control.BindingContext [data_source, binding_member_info.BindingPath];
if (manager.Position > -1 && binding_member_info.BindingField != String.Empty &&
TypeDescriptor.GetProperties(manager.Current).Find(binding_member_info.BindingField, true) == null)
{
throw new ArgumentException("Cannot bind to property '" + binding_member_info.BindingField + "' on DataSource.",
"dataMember");
}
manager.AddBinding(this);
manager.PositionChanged += new EventHandler(PositionChangedHandler);
if (manager is PropertyManager) // Match .net, which only watchs simple objects
{
EventDescriptor prop_changed_event = GetPropertyChangedEvent(manager.Current, binding_member_info.BindingField);
if (prop_changed_event != null)
{
prop_changed_event.AddEventHandler(manager.Current, new EventHandler(SourcePropertyChangedHandler));
}
}
}
if (manager.Position == -1)
{
return;
}
if (!checked_isnull)
{
is_null_desc = TypeDescriptor.GetProperties(manager.Current).Find(property_name + "IsNull", false);
checked_isnull = true;
}
PushData();
}
private void EditTagForm_Load(object sender, System.EventArgs e)
{
try
{
this.ntb_TagID.DataBindings.Add(new System.Windows.Forms.Binding("Value", this.row.Table, "TagID", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, 0));
this.tb_TagName.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.row.Table, "TagName", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, ""));
this.cb_TagType.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.row.Table, "TagType", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, "B"));
this.tb_Description.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.row.Table, "Description", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, ""));
this.tb_Note.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.row.Table, "Note", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, ""));
this.ntb_Code.DataBindings.Add(new System.Windows.Forms.Binding("Value", this.row.Table, "Code", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, 0));
this.ntb_Max.DataBindings.Add(new System.Windows.Forms.Binding("Value", this.row.Table, "Max", false, System.Windows.Forms.DataSourceUpdateMode.OnPropertyChanged, 0));
System.Windows.Forms.BindingManagerBase bindingManagerBase = this.ntb_TagID.BindingContext[this.row.Table];
bindingManagerBase.Position = this.rowIndex;
}
catch (System.Exception e2)
{
Program.showErrorMessage(e2, this);
}
}
internal void Bind(BindingManagerBase parentManager, string dataField) {
Debug.Assert(parentManager != null, "How could this be a null parentManager.");
// Unwire previous BindingManagerBase
UnwireParentManager(this.parentManager);
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (fieldInfo == null || !typeof(IList).IsAssignableFrom(fieldInfo.PropertyType)) {
throw new ArgumentException(SR.GetString(SR.RelatedListManagerChild, dataField));
}
this.finalType = fieldInfo.PropertyType;
// Wire new BindingManagerBase
WireParentManager(this.parentManager);
ParentManager_CurrentItemChanged(parentManager, EventArgs.Empty);
}
private void EditableBinding_Load(object sender, EventArgs e)
{
DataTable dt = Program.StoreDB.GetProducts();
cboModelName.DataSource = dt;
cboModelName.DisplayMember = "ModelName";
Binding costBinding = new Binding("Text", dt, "UnitCost");
txtUnitCost.DataBindings.Add(costBinding);
txtModelName.DataBindings.Add("Text", dt, "ModelName");
txtModelNumber.DataBindings.Add("Text", dt, "ModelNumber");
txtDescription.DataBindings.Add("Text", dt, "Description");
// Keep track of the binding context.
storeBinding = this.BindingContext[dt];
dt.ColumnChanged += new DataColumnChangeEventHandler(TableChanged);
storeBinding.PositionChanged += new EventHandler(Binding_PositionChanged);
}
public BindingManagerBase this [object dataSource, string dataMember] {
get {
if (dataSource == null)
{
throw new ArgumentNullException("dataSource");
}
if (dataMember == null)
{
dataMember = String.Empty;
}
#if NET_2_0
ICurrencyManagerProvider cm_provider = dataSource as ICurrencyManagerProvider;
if (cm_provider != null)
{
if (dataMember.Length == 0)
{
return(cm_provider.CurrencyManager);
}
return(cm_provider.GetRelatedCurrencyManager(dataMember));
}
#endif
HashKey key = new HashKey(dataSource, dataMember);
BindingManagerBase res = managers [key] as BindingManagerBase;
if (res != null)
{
return(res);
}
res = CreateBindingManager(dataSource, dataMember);
if (res == null)
{
return(null);
}
managers [key] = res;
return(res);
}
}
internal void Bind(BindingManagerBase parentManager, string dataField)
{
Debug.Assert(parentManager != null, "How could this be a null parentManager.");
// Unwire previous BindingManagerBase
UnwireParentManager(this.parentManager);
this.parentManager = parentManager;
this.dataField = dataField;
this.fieldInfo = parentManager.GetItemProperties().Find(dataField, true);
if (fieldInfo == null || !typeof(IList).IsAssignableFrom(fieldInfo.PropertyType))
{
throw new ArgumentException(string.Format(SR.RelatedListManagerChild, dataField));
}
this.finalType = fieldInfo.PropertyType;
// Wire new BindingManagerBase
WireParentManager(this.parentManager);
ParentManager_CurrentItemChanged(parentManager, EventArgs.Empty);
}
private static void CheckPropertyBindingCycles(BindingContext newBindingContext, Binding propBinding)
{
if (((newBindingContext != null) && (propBinding != null)) && newBindingContext.Contains(propBinding.BindableComponent, ""))
{
BindingManagerBase base2 = newBindingContext.EnsureListManager(propBinding.BindableComponent, "");
for (int i = 0; i < base2.Bindings.Count; i++)
{
Binding binding = base2.Bindings[i];
if (binding.DataSource == propBinding.BindableComponent)
{
if (propBinding.BindToObject.BindingMemberInfo.BindingMember.Equals(binding.PropertyName))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("DataBindingCycle", new object[] { binding.PropertyName }), "propBinding");
}
}
else if (propBinding.BindToObject.BindingManagerBase is PropertyManager)
{
CheckPropertyBindingCycles(newBindingContext, binding);
}
}
}
}
/// <include file='doc\BindingContext.uex' path='docs/doc[@for="BindingContext.UpdateBinding"]/*' />
/// <devdoc>
/// Associates a Binding with a different BindingContext. Intended for use by components that support
/// IBindableComponent, to update their Bindings when the value of IBindableComponent.BindingContext
/// is changed.
/// </devdoc>
public static void UpdateBinding(BindingContext newBindingContext, Binding binding)
{
BindingManagerBase oldManager = binding.BindingManagerBase;
if (oldManager != null)
{
oldManager.Bindings.Remove(binding);
}
if (newBindingContext != null)
{
// we need to first check for cycles before adding this binding to the collection
// of bindings.
if (binding.BindToObject.BindingManagerBase is PropertyManager)
{
CheckPropertyBindingCycles(newBindingContext, binding);
}
BindToObject bindTo = binding.BindToObject;
BindingManagerBase newManager = newBindingContext.EnsureListManager(bindTo.DataSource, bindTo.BindingMemberInfo.BindingPath);
newManager.Bindings.Add(binding);
}
}
private BindingManagerBase CreateBindingManager(object data_source, string data_member)
{
if (data_member == "")
{
if (IsListType(data_source.GetType()))
{
return(new CurrencyManager(data_source));
}
else
{
return(new PropertyManager(data_source));
}
}
else
{
BindingMemberInfo info = new BindingMemberInfo(data_member);
BindingManagerBase parent_manager = this[data_source, info.BindingPath];
PropertyDescriptor pd = parent_manager == null ? null : parent_manager.GetItemProperties().Find(info.BindingField, true);
if (pd == null)
{
throw new ArgumentException(String.Format("Cannot create a child list for field {0}.", info.BindingField));
}
if (IsListType(pd.PropertyType))
{
return(new RelatedCurrencyManager(parent_manager, pd));
}
else
{
return(new RelatedPropertyManager(parent_manager, info.BindingField));
}
}
}
// Constructor.
public RestrictedBindingsCollection(BindingManagerBase mgr)
{
this.mgr = mgr;
}
private void Set_ErrorManager(object newDataSource, string newDataMember, bool force)
{
if (!this.inSetErrorManager)
{
this.inSetErrorManager = true;
try
{
bool flag = this.DataSource != newDataSource;
bool flag2 = this.DataMember != newDataMember;
if ((flag || flag2) || force)
{
this.dataSource = newDataSource;
this.dataMember = newDataMember;
if (this.initializing)
{
this.setErrorManagerOnEndInit = true;
}
else
{
this.UnwireEvents(this.errorManager);
if (((this.parentControl != null) && (this.dataSource != null)) && (this.parentControl.BindingContext != null))
{
this.errorManager = this.parentControl.BindingContext[this.dataSource, this.dataMember];
}
else
{
this.errorManager = null;
}
this.WireEvents(this.errorManager);
if (this.errorManager != null)
{
this.UpdateBinding();
}
}
}
}
finally
{
this.inSetErrorManager = false;
}
}
}
// Constructor.
public RestrictedBindingsCollection(BindingManagerBase mgr)
{
this.mgr = mgr;
}
protected virtual void AddCore (object dataSource, BindingManagerBase listManager)
{
if (dataSource == null)
throw new ArgumentNullException ("dataSource");
if (listManager == null)
throw new ArgumentNullException ("listManager");
HashKey key = new HashKey (dataSource, String.Empty);
managers [key] = listManager;
}
private void UnwireEvents(BindingManagerBase listManager) {
if (listManager != null) {
listManager.CurrentChanged -= currentChanged;
listManager.BindingComplete -= new BindingCompleteEventHandler(this.ErrorManager_BindingComplete);
CurrencyManager currManager = listManager as CurrencyManager;
if (currManager != null) {
currManager.ItemChanged -= new ItemChangedEventHandler(this.ErrorManager_ItemChanged);
currManager.Bindings.CollectionChanged -= new CollectionChangeEventHandler(this.ErrorManager_BindingsChanged);
}
}
}
static private object GetCurrentOrNull(BindingManagerBase parentManager) {
bool anyCurrent = (parentManager.Position >= 0 && parentManager.Position < parentManager.Count);
return anyCurrent ? parentManager.Current : null;
}
internal RelatedPropertyManager(BindingManagerBase parentManager, string dataField) : base(GetCurrentOrNull(parentManager), dataField) {
Bind(parentManager, dataField);
}
internal static void SetBoundItem(BindingManagerBase bmb, object item, string strField, object value)
{
PropertyDescriptor descriptor = null;
if (((item != null) && (strField != null)) && (strField.Length > 0))
{
try
{
if (bmb != null)
{
descriptor = bmb.GetItemProperties().Find(strField, true);
}
else
{
descriptor = TypeDescriptor.GetProperties(item).Find(strField, true);
}
if (descriptor != null)
{
descriptor.SetValue(item, ConvertWithNullable(value, descriptor.PropertyType));
}
}
catch (Exception)
{
try
{
IConvertible convertible = value as IConvertible;
if ((convertible != null) && (descriptor != null))
{
descriptor.SetValue(item, convertible.ToType(descriptor.PropertyType, CultureInfo.CurrentCulture));
}
}
catch (Exception)
{
}
}
}
}
internal static object GetBoundItem(BindingManagerBase bmb, object item, string strField)
{
if (((item != null) && (strField != null)) && (strField.Length > 0))
{
try
{
PropertyDescriptor descriptor;
if (bmb != null)
{
descriptor = bmb.GetItemProperties().Find(strField, true);
}
else
{
descriptor = TypeDescriptor.GetProperties(item).Find(strField, true);
}
if (descriptor != null)
{
item = descriptor.GetValue(item);
}
}
catch (Exception)
{
}
}
return item;
}
internal void Check ()
{
if (control == null || control.BindingContext == null)
return;
if (manager == null) {
manager = control.BindingContext [data_source, binding_member_info.BindingPath];
if (manager.Position > -1 && binding_member_info.BindingField != String.Empty &&
TypeDescriptor.GetProperties (manager.Current).Find (binding_member_info.BindingField, true) == null)
throw new ArgumentException ("Cannot bind to property '" + binding_member_info.BindingField + "' on DataSource.",
"dataMember");
manager.AddBinding (this);
manager.PositionChanged += new EventHandler (PositionChangedHandler);
if (manager is PropertyManager) { // Match .net, which only watchs simple objects
EventDescriptor prop_changed_event = GetPropertyChangedEvent (manager.Current, binding_member_info.BindingField);
if (prop_changed_event != null)
prop_changed_event.AddEventHandler (manager.Current, new EventHandler (SourcePropertyChangedHandler));
}
}
if (manager.Position == -1)
return;
if (!checked_isnull) {
is_null_desc = TypeDescriptor.GetProperties (manager.Current).Find (property_name + "IsNull", false);
checked_isnull = true;
}
PushData ();
}
internal ListManagerBindingsCollection(BindingManagerBase bindingManagerBase)
{
this.bindingManagerBase = bindingManagerBase;
}
/// <include file='doc\ListManagerBindingsCollection.uex' path='docs/doc[@for="ListManagerBindingsCollection.ListManagerBindingsCollection"]/*' />
/// <devdoc>
/// ColumnsCollection constructor. Used only by DataSource.
/// </devdoc>
internal ListManagerBindingsCollection(BindingManagerBase bindingManagerBase) : base()
{
Debug.Assert(bindingManagerBase != null, "How could a listmanagerbindingscollection not have a bindingManagerBase associated with it!");
this.bindingManagerBase = bindingManagerBase;
}
protected override void OnBindingContextChanged(EventArgs e)
{
if ((this.BindingContext != null) && (this.DataSource != null))
{
this.m_bmb = this.BindingContext[this.DataSource];
this.m_bmb.CurrentChanged += new EventHandler(this.OnBindingChanged);
}
base.OnBindingContextChanged(e);
}
public Form_Info(SA_DataObject infosource)
: this()
{
this.source = infosource;
this.Text = this.source.Name;
this.Icon = Icon.FromHandle((this.source.UIBadge as Bitmap).GetHicon());
this.pictureBoxUIImage.DataBindings.Add("BackgroundImage", (object) this.source, "UIImage");
this.pictureBoxUIImage.DataBindings.Add("Image", (object) this.source.Status, "VisualStatusOverlay");
this.richTextBox1.ReadOnly = true;
this.richTextBox1.Top = 20;
this.richTextBox1.DataBindings.Add("Text", (object) this.source.Status, "VerboseStatus");
if (this.source is Session)
SA_Reflect.PopulateNonWriteablePanel((object) (this.source as Session).Settings, this.tableLayoutPanelSettings, this.toolTip1, "Indstillinger");
else
SA_Reflect.PopulateNonWriteablePanel((object) this.source, this.tableLayoutPanelSettings, this.toolTip1, "Indstillinger");
SA_Reflect.PopulateNonWriteablePanel((object) this.source, this.tableLayoutPanelStatus, this.toolTip1, "Status");
if (infosource is SA_BackgroundDataObject)
{
(this.source as SA_BackgroundDataObject).UpdateStatus();
(this.source as SA_BackgroundDataObject).UpdateContent();
this.tabControl1.TabPages.Remove(this.tabPageLog);
}
if (infosource is SA_LoggedDataObject)
{
this.dataGridView1.DataSource = (object) (infosource as SA_LoggedDataObject).Log.Entries;
this.dataGridView1.Columns[0].FillWeight = 15f;
this.dataGridView1.Columns[1].FillWeight = 15f;
this.dataGridView1.Columns[2].FillWeight = 70f;
this.panelUpdateSave.Visible = false;
this.dataGridViewContent.Dock = DockStyle.Fill;
}
if (!(infosource is IContentCarrier))
this.tabControl1.TabPages.Remove(this.tabPageContent);
else if (this.source.Content != null)
{
this.dataGridViewContent.DataSource = (object) this.source.Content.DefaultView;
this.bm = this.dataGridViewContent.BindingContext[this.dataGridViewContent.DataSource, this.dataGridViewContent.DataMember];
this.dataGridViewContent.ContextMenuStrip = new ContextMenuStrip();
this.dataGridViewContent.MouseUp += new MouseEventHandler(this.dataGridViewContent_MouseUp);
if (infosource is Session)
{
ToolStripMenuItem toolStripMenuItem = new ToolStripMenuItem("Vis Detaljer");
toolStripMenuItem.Click += new EventHandler(this.tm_Click);
this.dataGridViewContent.ContextMenuStrip.Items.Add((ToolStripItem) toolStripMenuItem);
this.dataGridViewContent.Columns[0].FillWeight = 15f;
this.dataGridViewContent.Columns[1].FillWeight = 25f;
this.dataGridViewContent.Columns[2].FillWeight = 55f;
this.dataGridViewContent.Columns[3].FillWeight = 5f;
}
}
else
this.dataGridViewContent.Visible = false;
}
static private object GetCurrentOrNull(BindingManagerBase parentManager)
{
bool anyCurrent = (parentManager.Position >= 0 && parentManager.Position < parentManager.Count);
return(anyCurrent ? parentManager.Current : null);
}
protected internal void Add (object dataSource, BindingManagerBase listManager)
{
AddCore (dataSource, listManager);
OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, dataSource));
}
internal RelatedPropertyManager(BindingManagerBase parentManager, string dataField) : base(GetCurrentOrNull(parentManager), dataField)
{
Bind(parentManager, dataField);
}
internal RelatedCurrencyManager(BindingManagerBase parentManager, string dataField) : base(null) {
Bind(parentManager, dataField);
}
internal RelatedCurrencyManager(BindingManagerBase parentManager, string dataField) : base(null)
{
Bind(parentManager, dataField);
}
/// <include file='doc\BindingContext.uex' path='docs/doc[@for="BindingContext.EnsureListManager"]/*' />
/// <devdoc>
/// Create a suitable binding manager for the specified dataSource/dataMember combination.
/// - If one has already been created and cached by this BindingContext, return that instead.
/// - If the data source is an ICurrencyManagerProvider, just delegate to the data source.
/// </devdoc>
internal BindingManagerBase EnsureListManager(object dataSource, string dataMember)
{
BindingManagerBase bindingManagerBase = null;
if (dataMember == null)
{
dataMember = "";
}
// Check whether data source wants to provide its own binding managers
// (but fall through to old logic if it fails to provide us with one)
//
if (dataSource is ICurrencyManagerProvider)
{
bindingManagerBase = (dataSource as ICurrencyManagerProvider).GetRelatedCurrencyManager(dataMember);
if (bindingManagerBase != null)
{
return(bindingManagerBase);
}
}
// Check for previously created binding manager
//
HashKey key = GetKey(dataSource, dataMember);
WeakReference wRef;
wRef = listManagers[key] as WeakReference;
if (wRef != null)
{
bindingManagerBase = (BindingManagerBase)wRef.Target;
}
if (bindingManagerBase != null)
{
return(bindingManagerBase);
}
if (dataMember.Length == 0)
{
// No data member specified, so create binding manager directly on the data source
//
if (dataSource is IList || dataSource is IListSource)
{
// IListSource so we can bind the dataGrid to a table and a dataSet
bindingManagerBase = new CurrencyManager(dataSource);
}
else
{
// Otherwise assume simple property binding
bindingManagerBase = new PropertyManager(dataSource);
}
}
else
{
// Data member specified, so get data source's binding manager, and hook a 'related' binding manager to it
//
int lastDot = dataMember.LastIndexOf(".");
string dataPath = (lastDot == -1) ? "" : dataMember.Substring(0, lastDot);
string dataField = dataMember.Substring(lastDot + 1);
BindingManagerBase formerManager = EnsureListManager(dataSource, dataPath);
PropertyDescriptor prop = formerManager.GetItemProperties().Find(dataField, true);
if (prop == null)
{
throw new ArgumentException(string.Format(SR.RelatedListManagerChild, dataField));
}
if (typeof(IList).IsAssignableFrom(prop.PropertyType))
{
bindingManagerBase = new RelatedCurrencyManager(formerManager, dataField);
}
else
{
bindingManagerBase = new RelatedPropertyManager(formerManager, dataField);
}
}
// if wRef == null, then it is the first time we want this bindingManagerBase: so add it
// if wRef != null, then the bindingManagerBase was GC'ed at some point: keep the old wRef and change its target
if (wRef == null)
{
listManagers.Add(key, new WeakReference(bindingManagerBase, false));
}
else
{
wRef.Target = bindingManagerBase;
}
IntSecurity.UnmanagedCode.Demand();
ScrubWeakRefs();
// Return the final binding manager
return(bindingManagerBase);
}
private void Set_ErrorManager(object newDataSource, string newDataMember, bool force) {
if (inSetErrorManager)
return;
inSetErrorManager = true;
try
{
bool dataSourceChanged = this.DataSource != newDataSource;
bool dataMemberChanged = this.DataMember != newDataMember;
//if nothing changed, then do not do any work
//
if (!dataSourceChanged && !dataMemberChanged && !force)
{
return;
}
// set the dataSource and the dataMember
//
this.dataSource = newDataSource;
this.dataMember = newDataMember;
if (initializing) {
setErrorManagerOnEndInit = true;
}
else {
// unwire the errorManager:
//
UnwireEvents(errorManager);
// get the new errorManager
//
if (parentControl != null && this.dataSource != null && parentControl.BindingContext != null) {
errorManager = parentControl.BindingContext[this.dataSource, this.dataMember];
}
else {
errorManager = null;
}
// wire the events
//
WireEvents(errorManager);
// see if there are errors at the current
// item in the list, w/o waiting for the position to change
if (errorManager != null)
UpdateBinding();
}
} finally {
inSetErrorManager = false;
}
}
