private void DataTableCleared(object sender, DataTableClearEventArgs e) {
DataTableReader reader = (DataTableReader) readerWeak.Target;
if (reader != null) {
reader.DataTableCleared();
}
else {
UnSubscribeEvents();
}
}
private void DataTableCleared(object sender, DataTableClearEventArgs e)
{
DataTableReader target = (DataTableReader) this.readerWeak.Target;
if (target != null)
{
target.DataTableCleared();
}
else
{
this.UnSubscribeEvents();
}
}
private void DataTableCleared(object sender, DataTableClearEventArgs e)
{
DataTableReader target = (DataTableReader)this.readerWeak.Target;
if (target != null)
{
target.DataTableCleared();
}
else
{
this.UnSubscribeEvents();
}
}
private void DataTableCleared(object sender, DataTableClearEventArgs e)
{
DataTableReader reader = (DataTableReader)_readerWeak.Target;
if (reader != null)
{
reader.DataTableCleared();
}
else
{
UnSubscribeEvents();
}
}
internal void Clear(bool clearAll)
{
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<ds.DataTable.Clear|INFO> %d#, clearAll=%d{bool}\n", this.ObjectID, clearAll);
try
{
this.rowDiffId = null;
if (this.dataSet != null)
{
this.dataSet.OnClearFunctionCalled(this);
}
bool flag = this.Rows.Count != 0;
DataTableClearEventArgs e = null;
if (flag)
{
e = new DataTableClearEventArgs(this);
this.OnTableClearing(e);
}
if ((this.dataSet != null) && this.dataSet.EnforceConstraints)
{
ParentForeignKeyConstraintEnumerator enumerator3 = new ParentForeignKeyConstraintEnumerator(this.dataSet, this);
while (enumerator3.GetNext())
{
enumerator3.GetForeignKeyConstraint().CheckCanClearParentTable(this);
}
}
this.recordManager.Clear(clearAll);
foreach (DataRow row in this.Rows)
{
row.oldRecord = -1;
row.newRecord = -1;
row.tempRecord = -1;
row.rowID = -1L;
row.RBTreeNodeId = 0;
}
this.Rows.ArrayClear();
this.ResetIndexes();
if (flag)
{
this.OnTableCleared(e);
}
foreach (DataColumn column in this.Columns)
{
this.EvaluateDependentExpressions(column);
}
}
finally
{
Bid.ScopeLeave(ref ptr);
}
}
private void DataTable_TableCleared(object sender, DataTableClearEventArgs e)
{
RefreshDataTable();
}
private void HandleFeaturesCleared(object sender, DataTableClearEventArgs e)
{
//maybe clear extents
//ok, maybe not
}
void dtDataSourceTemp_TableCleared(object sender, DataTableClearEventArgs e)
{
InitSelectedColumnData(false);
}
private void OnTableCleared(object src, DataTableClearEventArgs args)
{
_tableCleared = true;
}
void itemTable_TableCleared(object sender, DataTableClearEventArgs e)
{
listViewItem.Items.Clear();
}
internal void Clear(bool clearAll) {
IntPtr hscp;
Bid.ScopeEnter(out hscp, "<ds.DataTable.Clear|INFO> %d#, clearAll=%d{bool}\n", ObjectID, clearAll);
try {
Debug.Assert(null == rowDiffId, "wasn't previously cleared");
rowDiffId = null;
if (dataSet != null)
dataSet.OnClearFunctionCalled(this);
bool shouldFireClearEvents = (this.Rows.Count != 0); // if Rows is already empty, this is noop
DataTableClearEventArgs e = null;
if (shouldFireClearEvents) {
e = new DataTableClearEventArgs (this);
OnTableClearing(e);
}
if (dataSet != null && dataSet.EnforceConstraints) {
for (ParentForeignKeyConstraintEnumerator constraints = new ParentForeignKeyConstraintEnumerator(dataSet, this); constraints.GetNext();) {
ForeignKeyConstraint constraint = constraints.GetForeignKeyConstraint();
constraint.CheckCanClearParentTable(this);
}
}
recordManager.Clear(clearAll);
// SQLBU 415729: Serious performance issue when calling Clear()
// this improves performance by iterating over rows instead of computing by index
foreach(DataRow row in Rows) {
row.oldRecord = -1;
row.newRecord = -1;
row.tempRecord = -1;
row.rowID = -1;
row.RBTreeNodeId = 0;
}
Rows.ArrayClear();
ResetIndexes();
if (shouldFireClearEvents) {
OnTableCleared(e);
}
// SQLBU 501916 - DataTable internal index is corrupted:'5'
foreach(DataColumn column in Columns) {
EvaluateDependentExpressions(column);
}
}
finally {
Bid.ScopeLeave(ref hscp);
}
}
protected virtual void OnTableCleared(DataTableClearEventArgs e)
{
if (this.onTableClearedDelegate != null)
{
Bid.Trace("<ds.DataTable.OnTableCleared|INFO> %d#\n", this.ObjectID);
this.onTableClearedDelegate(this, e);
}
}
private void OnTableClearing (object src, DataTableClearEventArgs args)
{
_tableClearingEventFired = true;
}
void AreaTable_TableClearing(object sender, DataTableClearEventArgs e)
{
foreach (GeometryObj obj in GetObjects())
{
DXControl.GeoObjects.Remove(obj);
}
ClearObjectRowMapping();
}
protected virtual void OnTableClearing(DataTableClearEventArgs e)
{
if (_onTableClearingDelegate != null)
{
DataCommonEventSource.Log.Trace("<ds.DataTable.OnTableClearing|INFO> {0}", ObjectID);
_onTableClearingDelegate(this, e);
}
}
internal void Clear(bool clearAll)
{
long logScopeId = DataCommonEventSource.Log.EnterScope("<ds.DataTable.Clear|INFO> {0}, clearAll={1}", ObjectID, clearAll);
try
{
Debug.Assert(null == _rowDiffId, "wasn't previously cleared");
_rowDiffId = null;
if (_dataSet != null)
_dataSet.OnClearFunctionCalled(this);
bool shouldFireClearEvents = (Rows.Count != 0); // if Rows is already empty, this is noop
DataTableClearEventArgs e = null;
if (shouldFireClearEvents)
{
e = new DataTableClearEventArgs(this);
OnTableClearing(e);
}
if (_dataSet != null && _dataSet.EnforceConstraints)
{
for (ParentForeignKeyConstraintEnumerator constraints = new ParentForeignKeyConstraintEnumerator(_dataSet, this); constraints.GetNext();)
{
ForeignKeyConstraint constraint = constraints.GetForeignKeyConstraint();
constraint.CheckCanClearParentTable(this);
}
}
_recordManager.Clear(clearAll);
// this improves performance by iterating over rows instead of computing by index
foreach (DataRow row in Rows)
{
row._oldRecord = -1;
row._newRecord = -1;
row._tempRecord = -1;
row.rowID = -1;
row.RBTreeNodeId = 0;
}
Rows.ArrayClear();
ResetIndexes();
if (shouldFireClearEvents)
{
OnTableCleared(e);
}
foreach (DataColumn column in Columns)
{
EvaluateDependentExpressions(column);
}
}
finally
{
DataCommonEventSource.Log.ExitScope(logScopeId);
}
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// datatablecleareventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DataTableClearEventHandler datatablecleareventhandler, Object sender, DataTableClearEventArgs e, AsyncCallback callback)
{
if(datatablecleareventhandler == null) throw new ArgumentNullException("datatablecleareventhandler");
return datatablecleareventhandler.BeginInvoke(sender, e, callback, null);
}
void Anaylzed_TableCleared(object sender, DataTableClearEventArgs e)
{
DotRowList.Clear();
}
void npcTable_TableCleared(object sender, DataTableClearEventArgs e)
{
listViewNPC.Items.Clear();
}
protected virtual void OnTableClearing(DataTableClearEventArgs e) {
if (onTableClearingDelegate != null) {
Bid.Trace("<ds.DataTable.OnTableClearing|INFO> %d#\n", ObjectID);
onTableClearingDelegate(this, e);
}
}
/// <summary>
/// Raises TableCleared Event and delegates to subscribers
/// </summary>
protected virtual void OnTableCleared (DataTableClearEventArgs e) {
if (TableCleared != null)
TableCleared (this, e);
}
