private void Refresh(bool fullRefresh, int rowStart, int rowEnd) {
Debug.WriteLineIf(CompModSwitches.DebugGridView.TraceVerbose, "PropertyGridView:Refresh");
Debug.WriteLineIf(GridViewDebugPaint.TraceVerbose, "Refresh called for rows " + rowStart.ToString(CultureInfo.InvariantCulture) + " through " + rowEnd.ToString(CultureInfo.InvariantCulture));
SetFlag(FlagNeedsRefresh, true);
GridEntry gridEntry = null;
// VSWhidbey 361345 -- there are cases here where the grid could get be disposed.
// so just bail.
if (this.IsDisposed) {
return;
}
bool pageInGridEntry = true;
if (rowStart == -1) {
rowStart = 0;
}
if (fullRefresh || this.ownerGrid.HavePropEntriesChanged()) {
if (HasEntries && !GetInPropertySet() && !Commit()) {
OnEscape(this);
}
int oldLength = totalProps;
object oldObject = topLevelGridEntries == null || topLevelGridEntries.Count == 0 ? null : ((GridEntry)topLevelGridEntries[0]).GetValueOwner();
// walk up to the main IPE and refresh it.
if (fullRefresh) {
this.ownerGrid.RefreshProperties(true);
}
if (oldLength > 0 && !GetFlag(FlagNoDefault)) {
positionData = CaptureGridPositionData();
CommonEditorHide(true);
}
UpdateHelpAttributes(selectedGridEntry, null);
selectedGridEntry = null;
SetFlag(FlagIsNewSelection, true);
topLevelGridEntries = this.ownerGrid.GetPropEntries();
ClearGridEntryEvents(allGridEntries, 0, -1);
allGridEntries = null;
RecalculateProps();
int newLength = totalProps;
if (newLength > 0) {
if (newLength < oldLength) {
SetScrollbarLength();
SetScrollOffset(0);
}
SetConstants();
if (positionData != null) {
gridEntry = positionData.Restore(this);
// Upon restoring the grid entry position, we don't
// want to page it in
//
object newObject = topLevelGridEntries == null || topLevelGridEntries.Count == 0 ? null : ((GridEntry)topLevelGridEntries[0]).GetValueOwner();
pageInGridEntry = (gridEntry == null) || oldLength != newLength || newObject != oldObject;
}
if (gridEntry == null) {
gridEntry = this.ownerGrid.GetDefaultGridEntry();
SetFlag(FlagNoDefault, gridEntry == null && totalProps > 0);
}
InvalidateRows(rowStart, rowEnd);
if (gridEntry == null) {
selectedRow = 0;
selectedGridEntry = GetGridEntryFromRow(selectedRow);
}
}
else if (oldLength == 0) {
return;
}
else {
SetConstants();
}
// Release the old positionData which contains reference to previous selected objects.
positionData = null;
lastClickedEntry = null;
}
if (!HasEntries) {
CommonEditorHide(selectedRow != -1);
this.ownerGrid.SetStatusBox(null, null);
SetScrollOffset(0);
selectedRow = -1;
Invalidate();
return;
}
// in case we added or removed properties
ownerGrid.ClearValueCaches();
InvalidateRows(rowStart, rowEnd);
if (gridEntry != null) {
SelectGridEntry(gridEntry, pageInGridEntry);
}
}
private void Refresh(bool fullRefresh, int rowStart, int rowEnd)
{
this.SetFlag(1, true);
GridEntry gridEntry = null;
if (!base.IsDisposed)
{
bool fPageIn = true;
if (rowStart == -1)
{
rowStart = 0;
}
if (fullRefresh || this.ownerGrid.HavePropEntriesChanged())
{
if ((this.HasEntries && !this.GetInPropertySet()) && !this.Commit())
{
this.OnEscape(this);
}
int totalProps = this.totalProps;
object obj2 = ((this.topLevelGridEntries == null) || (this.topLevelGridEntries.Count == 0)) ? null : ((GridEntry) this.topLevelGridEntries[0]).GetValueOwner();
if (fullRefresh)
{
this.ownerGrid.RefreshProperties(true);
}
if ((totalProps > 0) && !this.GetFlag(0x200))
{
this.positionData = this.CaptureGridPositionData();
this.CommonEditorHide(true);
}
this.UpdateHelpAttributes(this.selectedGridEntry, null);
this.selectedGridEntry = null;
this.SetFlag(2, true);
this.topLevelGridEntries = this.ownerGrid.GetPropEntries();
this.ClearGridEntryEvents(this.allGridEntries, 0, -1);
this.allGridEntries = null;
this.RecalculateProps();
int num2 = this.totalProps;
if (num2 > 0)
{
if (num2 < totalProps)
{
this.SetScrollbarLength();
this.SetScrollOffset(0);
}
this.SetConstants();
if (this.positionData != null)
{
gridEntry = this.positionData.Restore(this);
object obj3 = ((this.topLevelGridEntries == null) || (this.topLevelGridEntries.Count == 0)) ? null : ((GridEntry) this.topLevelGridEntries[0]).GetValueOwner();
fPageIn = ((gridEntry == null) || (totalProps != num2)) || (obj3 != obj2);
}
if (gridEntry == null)
{
gridEntry = this.ownerGrid.GetDefaultGridEntry();
this.SetFlag(0x200, (gridEntry == null) && (this.totalProps > 0));
}
this.InvalidateRows(rowStart, rowEnd);
if (gridEntry == null)
{
this.selectedRow = 0;
this.selectedGridEntry = this.GetGridEntryFromRow(this.selectedRow);
}
}
else
{
if (totalProps == 0)
{
return;
}
this.SetConstants();
}
this.positionData = null;
this.lastClickedEntry = null;
}
if (!this.HasEntries)
{
this.CommonEditorHide(this.selectedRow != -1);
this.ownerGrid.SetStatusBox(null, null);
this.SetScrollOffset(0);
this.selectedRow = -1;
base.Invalidate();
}
else
{
this.ownerGrid.ClearValueCaches();
this.InvalidateRows(rowStart, rowEnd);
if (gridEntry != null)
{
this.SelectGridEntry(gridEntry, fPageIn);
}
}
}
}
