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[SOLVED] Collapsing Group Programmatically Crashes |
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Peter Bragg 
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Joined: 26 November 2014 Status: Offline Points: 2 |
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 Topic: [SOLVED] Collapsing Group Programmatically CrashesPosted: 14 January 2015 at 11:34am |
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Are there any known issues with the Com ActiveX ReportControl version 16.3.1 and programmatically collapsing groups? Or rather, groups with Records that themselves have children?
I am using v16.3.1 with DataFlex and the control keeps causing my application to crash. The following is test code but demonstrates the problem: Procedure OnClick Variant vRow Handle hoRow hoGroup Boolean bIsGroup bExpanded Get ComFocusedRow of oReportControl to vRow Get Create (RefClass(cCJReportRow)) to hoRow Set pvComObject of hoRow to vRow Get ComGroupRow of hoRow to bIsGroup If (bIsGroup) Begin Get Create (RefClass(cCJReportGroupRow)) to hoGroup Set pvComObject of hoGroup to vRow Get ComExpanded of hoGroup to bExpanded Set ComExpanded of hoGroup to (not(bExpanded)) Send Destroy of hoGroup End Send Destroy of hoRow End_Procedure (This is test code by the way, so I know that the FocusedRow will always return a value) The test code simply expands or collapses a group row, depending on its current state (if collapsed it will expand it and vice versa) So, if the group row is collapsed, no problem, it gets expanded. If it is expanded though it then depends on the rows. If the rows have no child rows then the group collapses with no issues. But if just one of the rows within the group has child rows of its own (the first column has the TreeColumn property set to True) then the application crashes. I can see from the release notes for 16.2.5 for the ReportControl that one of the fixes was "Fixed crash when manually expanding/collapsing a row via code" - which is what caused me to wonder if there was still an issue in this area? |
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olebed
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Joined: 01 July 2014 Location: Ukraine Status: Offline Points: 841 |
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Posted: 23 April 2015 at 7:02am |
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fixed in revision 16822 (January 20, 2015) due to support ticket 33444 "Report Control - Expand property" (crash in ActiveX on multilevel nesting rows).
in file XTPReportSection.cpp
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