Functionalities • Surface selection area – List of all TIN surfaces with checkboxes, initially unchecked. – Select Surfaces button to pick surfaces from the drawing and auto check them. – Select All and Select None buttons to toggle all surface checkboxes at once. • Profile selection area – List of all profiles under all alignments, each with its display name and a checkbox, initially unchecked. – Select Profiles button to pick profiles in the drawing and auto check them. – Select All and Select None for profiles. • Pipes (Model space) list – Shows each added AeccDbPipe with label “DisplayName – PartSizeName” one below another. – Checkboxes control which model pipes will be processed. – Buttons Model: All and Model: None select or deselect all model pipes. • Pipes (Profile view) list – Shows pipes that were selected via profile view graphics using AeccDbGraphProfileNetworkPart and mapped to their model pipes. – Checkboxes control which of these mapped pipes are active. – Buttons Profile: All and Profile: None select or deselect all profile view pipes. • Select Pipes button – Wide button spanning under both pipe columns. – Lets the user repeatedly add pipes from Model space and Profile views without closing the dialog. • Elevation offset controls – One edit box for Surface elevation offset applied to surface based elevations. – One edit box for Profile elevation offset applied to profile based elevations. • Priority of elevation sources – For each pipe, the routine first tries all checked profiles to get station based elevations from the profile alignment. – If no valid profile elevation is found at both pipe ends, the routine falls back to the first checked surface that returns valid elevations. • Control buttons – Apply applies new elevations to all checked pipes using current settings and regenerates the drawing, while keeping the dialog open. – OK does the same as Apply and then closes the dialog. – Cancel closes the dialog without further processing.