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Make a standalone panel

I would like to do a panel in MQL4 that wouldn't be bound to a chart, like the example 'SimplePanel' is. How could I do this? Thanks

CListView multiple lines problem

Hello, I implemented the class CListView in my code to make a multiple line editable list (for the user to write in). Everything works well except one thing: only 1 line is selectable at a time with the mouse. Any idea how I can make it so that dragging left-click over the list, it selects all

TerminalInfoString() returns NULL

Hello, I have a computer running Windows 10, in which the code: string Terminal_Data_Path=TerminalInfoString(TERMINAL_DATA_PATH); always returns a NULL string. This code works fine in other machines I have, namely one other Windows 10, and other is running Windows 8. I really can't pinpoint the