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creating_20a_20dialogue_20box_20from_20a_20resource
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creating_20a_20dialogue_20box_20from_20a_20resource [2018/03/31 13:19] 127.0.0.1 external edit |
creating_20a_20dialogue_20box_20from_20a_20resource [2018/04/15 17:19] (current) richardrussell Added syntax highlighting |
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| =====Creating a dialogue box from a resource===== | =====Creating a dialogue box from a resource===== | ||
| - | //by Richard Russell, May 2006, revised April 2012//\\ \\ The normal method of creating a dialogue box in BBC BASIC for Windows is to call the procedures in the **WINLIB2** library:\\ | + | //by Richard Russell, May 2006, revised April 2012//\\ \\ The normal method of creating a dialogue box in BBC BASIC for Windows is to call the procedures in the **WINLIB2** library: |
| * PROC_pushbutton | * PROC_pushbutton | ||
| Line 12: | Line 12: | ||
| * PROC_dlgitem | * PROC_dlgitem | ||
| * PROC_dlgctrl | * PROC_dlgctrl | ||
| - | \\ However there may be circumstances when the dialogue box has already been designed and its template is contained as a //resource// within a DLL or EXE file. In that case you can create the dialogue box in your program using the resource data. The code example below creates a dialogue box from the resource data for BB4W's **Customize** dialogue (in BBCWIN.EXE or BBCWDEM.EXE):\\ \\ | + | |
| + | However there may be circumstances when the dialogue box has already been designed and its template is contained as a //resource// within a DLL or EXE file. In that case you can create the dialogue box in your program using the resource data. The code example below creates a dialogue box from the resource data for BB4W's **Customize** dialogue (in BBCWIN.EXE or BBCWDEM.EXE): | ||
| + | |||
| + | <code bb4w> | ||
| INSTALL @lib$+"WINLIB2" | INSTALL @lib$+"WINLIB2" | ||
| Line 31: | Line 34: | ||
| dlg%?19 OR= &10 : REM Add WS_VISIBLE style | dlg%?19 OR= &10 : REM Add WS_VISIBLE style | ||
| PROC_showdialog(dlg%) | PROC_showdialog(dlg%) | ||
| - | Naturally this code will only run within the **BB4W IDE**, because if compiled to an executable file the dialogue box resource data will not be present.\\ \\ To load the dialogue box resource data from a different file (for example a DLL) then replace the call to "GetModuleHandle" with a call to "LoadLibrary" as follows:\\ | + | </code> |
| + | |||
| + | Naturally this code will only run within the **BB4W IDE**, because if compiled to an executable file the dialogue box resource data will not be present.\\ \\ To load the dialogue box resource data from a different file (for example a DLL) then replace the call to "GetModuleHandle" with a call to "LoadLibrary" as follows: | ||
| + | |||
| + | <code bb4w> | ||
| SYS "LoadLibrary", "EXAMPLE.DLL" TO hmod% | SYS "LoadLibrary", "EXAMPLE.DLL" TO hmod% | ||
| + | </code> | ||
| + | |||
| You can embed one or more resources in your own compiled executable as follows:\\ | You can embed one or more resources in your own compiled executable as follows:\\ | ||
| Line 38: | Line 47: | ||
| - Compile the resource from a **.RC** file to a **.RES** file using a Resource Compiler. | - Compile the resource from a **.RC** file to a **.RES** file using a Resource Compiler. | ||
| - Specify that the resource should be embedded in your program using **REM!Resource**. | - Specify that the resource should be embedded in your program using **REM!Resource**. | ||
| - | \\ To enable you to develop and test your program in the BB4W IDE you can initially create a 'dummy' executable, by compiling a program containing only the "REM!Resource" directive:\\ | + | |
| + | To enable you to develop and test your program in the BB4W IDE you can initially create a 'dummy' executable, by compiling a program containing only the "REM!Resource" directive: | ||
| + | |||
| + | <code bb4w> | ||
| REM!Exefile @dir$+"myprog.exe",encrypt | REM!Exefile @dir$+"myprog.exe",encrypt | ||
| REM!Resource @dir$+"mydialog.res" | REM!Resource @dir$+"mydialog.res" | ||
| - | Then you can access the resource from the 'real' program as follows:\\ | + | </code> |
| + | |||
| + | Then you can access the resource from the 'real' program as follows: | ||
| + | |||
| + | <code bb4w> | ||
| SYS "LoadLibrary", @dir$+"myprog.exe" TO hmod% | SYS "LoadLibrary", @dir$+"myprog.exe" TO hmod% | ||
| + | </code> | ||
| + | |||
| When you eventually compile your program, containing the resources in its EXE file, this will still work. | When you eventually compile your program, containing the resources in its EXE file, this will still work. | ||
creating_20a_20dialogue_20box_20from_20a_20resource.1522502352.txt.gz · Last modified: 2018/03/31 13:19 by 127.0.0.1
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