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Resolved Why TypeOf function fails when window height and width is not big enough
  1. How-to
  2.  PowerBuilder
0 Votes
  1. Berka Frenfert
  2. PowerBuilder
  3. Wednesday, 26 April 2023 01:38 PM UTC

Something is wrong either with code or PB and have no idea why when window height and width is not bigger enough, the code where i check TypeOf() objects in control array of a window, TypeOf function fails.

And if i increase width and height then TypeOf function start working again.

Please see code and attached debugger image to figure out reason

_errorLog("::: " + ClassName() + ": w_parent_sheet :  Constructor: " +  String(Now(), "HH:MM:SSSS") + ":" +  "AUT:TRIG:YES-EX")

OrgTitle = Trim(st_tool_title.Text)

st_tool_title.Visible = FALSE
st_tool_title.Text = ""
Title = ""

Event Post _Constructor()



Integer win_object
StaticText st
w_parent_sheet TheParentWin

Parent.Win = Parent
TheParentWin = Parent.Win

Tab TheTab, TheChildTab
Uo_DataWindow DW
Integer control_counter
Integer Tabpage, TabPageChild, TabPageOfChildTab


FOR control_counter = 1 TO upperbound(TheParentWin.control)

	/// folowwing line has unknown error because .TypeOf() returns nothing
	/// This happens even at very first object in control array
		
	CHOOSE CASE TheParentWin.control[control_counter].Typeof()
		CASE DataWindow!
			
				
			///_errorLog("DataWindow!" + TheParentWin.control[control_counter].Classname())
			TRY
				dw = TheParentWin.control[control_counter]
				AllDW[UpperBound(AllDW) + 1] = DW
				dw.Win = TheParentWin.Win
				
				/// InView boolean value is set
				IF DW.X < TheParentWin.Width AND DW.Y < TheParentWin.Height THEN
					DW.InView = TRUE
				ELSE
					/// outsider
					DW.InView = FALSE
				END IF
			CATCH(RuntimeError rte88101)
			END TRY
	
		/*This portion changes the label of the tabpages */
		CASE Tab!
			
			TheTab = TheParentWin.control[control_counter]

			FOR Tabpage = 1 TO UpperBound(TheTab.control[])
				
				/// going inside a tabpage
				FOR TabPageChild = 1 TO UpperBound(TheTab.control[Tabpage].control)
					CHOOSE CASE TheTab.control[Tabpage].control[TabPageChild].Typeof()
						CASE DataWindow!
							///_errorLog("DataWindow! inside tab " + TheTab.control[Tabpage].control[TabPageChild].Classname() )
							TRY
								dw = TheTab.control[Tabpage].control[TabPageChild]
								AllDW[UpperBound(AllDW) + 1] = DW
								dw.Win = TheParentWin.Win
								
								/// InView boolean value is set for DWs inside a tab control
								/// if tab control itself is inside view area then DW is consider InView
								IF TheTab.X < TheParentWin.Width AND TheTab.Y < TheParentWin.Height THEN
									DW.InView = TRUE
								ELSE
									/// outsider
									DW.InView = FALSE
								END IF
							CATCH(RuntimeError rte8811)
							END TRY
					END CHOOSE
				NEXT
			NEXT
	END CHOOSE
NEXT

 

 

Regards,

Berka

 

 

 

 

Attachments (1)
TheTypeOfError.PNG TheTypeOfError.PNG
References
  1. https://postimg.cc/Lq4LbpV1
Display Only property PowerClient Link Parameter Length issue, Parameter length > ...
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