User activity

Please teach me.How To Fire Click Event from Push Button in Dialog on C++ Code.DG_Command ?
I make Modeless Dialog MyDialog::Init(){ diagId=DGModelessInit( ACAPI_GetOwnResModule() , ID_DIALOG , ACAPI_GetOwnResModule() , GroupSheetDlgCallBack , (DGUserData)&dlgData , 1); } But I can't change Control Width By DG Commands.So I try Control Addr...
ArchiCAD API 23VisualStudio 2017 (C++)Windows 10 (64bit)Teach me How To Customize in SingleSelList/MultiSelList1)How To Make Column Header indication 3 lines(3 rows).2)How To wordwrap for Column Header Strings.3)How To Fixed (Frozen) Column.4) How To...
Please teach me thatHow To Get Wall Area (square meter=m2) from [Morph].Parameter or Property or Calcurate Method ?Element or Element_Memo ?
I have Error This Source in Debug(ArchiCAD 23 API / Windows / Visual Studio 2017 C++/Japanese)//----------------------------------------------Error Message / Code Stoppedハンドルされない例外が0x0007FF8866B4B89(KernalBase.dll)で発生しました(ARCHICAD.exe内);0xC000041D:ユー...