protected virtual int CalcRowPreviewEditorHeight(int rowHandle, RepositoryItem item)
{
if (!View.OptionsView.ShowPreview || View.IsGroupRow(rowHandle) || View.IsFilterRow(rowHandle))
{
return(0);
}
int res = (View.OptionsView.ShowPreviewRowLines != DevExpress.Utils.DefaultBoolean.False ? 1 : 0);
int eventHeight = View.RaiseMeasurePreviewHeightAccessMetod(rowHandle);
if (eventHeight != -1)
{
return(eventHeight == 0 ? 0 : res + eventHeight);
}
Graphics g = GInfo.AddGraphics(null);
try
{
IHeightAdaptable ha = fRowPreviewViewInfo as IHeightAdaptable;
if (ha != null)
{
fRowPreviewViewInfo.EditValue = View.GetRowPreviewValue(rowHandle);
res = ha.CalcHeight(GInfo.Cache, this.CalcRowPreviewWidth(rowHandle) - this.PreviewIndent - (GridRowPreviewPainter.PreviewTextIndent * 2));
}
res = Math.Max(fRowPreviewViewInfo.CalcMinHeight(g), res);
}
finally
{
GInfo.ReleaseGraphics();
}
res += GridRowPreviewPainter.PreviewTextVIndent * 2;
return(res);
}
private void CalcRowHeight()
{
GInfo.AddGraphics(null);
try {
rowHeight = Form.ScrollBar.SmallChange = AppearanceMatch.CalcTextSize(GInfo.Graphics, "Wg", 0).ToSize().Height + HoverElement.ContentMargins.Height;
} finally { GInfo.ReleaseGraphics(); }
}
protected override void OnEditValueChanged()
{
base.OnEditValueChanged();
if (OwnerEdit == null)
{
GInfo.AddGraphics(null);
try
{
CalculateButtonsRect(GInfo.Graphics);
}
finally
{
GInfo.ReleaseGraphics();
}
}
}
protected virtual BaseEditViewInfo CreateRowPreviewViewInfo(RepositoryItem item)
{
BaseEditViewInfo info = item.CreateViewInfo();
UpdateEditViewInfo(info);
Graphics g = GInfo.AddGraphics(null);
try
{
info.CalcViewInfo(g);
}
finally
{
GInfo.ReleaseGraphics();
}
return(info);
}
protected override void CalcRowPreviewInfo(RowInfo ri)
{
base.CalcRowPreviewInfo(ri);
bool graphic_is_created = (GInfo.Graphics != null);
if (!graphic_is_created)
{
GInfo.AddGraphics(null);
}
try
{
CalcPreviewElementBounds(ri);
}
finally
{
if (!graphic_is_created)
{
GInfo.ReleaseGraphics();
}
}
}