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clover

I've managed to resolve it. The methods of a interface must be declared in proper order. e.g.
Interface IMMDevice Extends IUnknown
Activate.l(*iid.IID, dwClsCtx.l, *pActivationParams, *ppInterface)
OpenPropertyStore.l(stgmAccess.l, *ppProperties.IPropertyStore)
GetId.l(*pwstrId.String)
GetState ...

clover

The OS is Windows 7, I wanna control the system's volume. So after referring to some demo code, I tried to edit my code as follows. But unfortunately, I encountered invalid memory access reported by the compiler. I don't know what was wrong with my code, so please help me.

#CLSCTX_INPROC_SERVER ...

clover

Below is a section of code for attaining the duration of FLAC audio files:

Procedure.i GetFlacDuration(*pData) ;return milliseconds
If *pData = #Null
ProcedureReturn 0
EndIf

If PeekS(*pData, 4, #PB_Ascii) <> "fLaC"
ProcedureReturn 0
EndIf

mbs.METADATA_BLOCK_STREAMINFO
CopyMemory(*pData ...

clover

It seems that PlaySound() implements asynchronously. So you can get the total duration of the sound in advance of playing, then call Sleep() and set the param to the duration you have just got. And then... all is OK!
As for the way of getting the duration of the sound, you can refer to relative ...

clover

Now I have got the handle of an icon by API such as ExtractIcon(). Of course I can use API function DrawIcon() to display it easily. But how can I manage to diaplay it by PB 2DDrawing lib? Because there is no such a function that takes a handle as its parameter in PB 2DDrawing lib. That is to say, I ...

clover

I was confused about it for a long time.

Sometimes I need to compile my code in unicode mode. Generally, I found there are two kinds of declaration concerned with string in API structures, e.g.

[prototype with C from MSDN]
typedef struct _WIN32_FIND_DATA { // wfd
DWORD dwFileAttributes ...

clover

Oh, thank you very much, Josh & Comtois.
I was nearly forgot it, what a useful function -- CallCFunctionFast()!

clover

I want to call a procedure which has several parameters as followed:

Code: Select all

Procedure FuncA(param1.l, param2.l)
    ;......
EndProcedure

Define *p = @FuncA()

Now the problem is how could I manage to call it with *p just like C language:

Code: Select all

(*p)(param1, param2);

clover

Get it! ts-soft, thanks!

clover

ts-soft wrote:A Procedure is selfwritten in your source, a function is buildin (incl. userlibfunction)

So difference between #PB_OSFunction & #PB_Function ?

clover

There are several new constants in new 4.40 ver. Such as "#PB_Function". I cannot find help about it and guess it's equal to #PB_Procedure, isn't it? Please teach me, thanks a lot!

clover

To User_Russian:

It seems that PB is particular with .rc file, that is, you must use absolute file path.
I encountered the same error when I was compilying the "Cute Menu.pb" with the .rc file edited by VC++.
To solve this problem, I edited the .rc file manually as following:

IDB_BITMAP1 BITMAP ...

clover

Full version released, download and enjoy it!

clover

Introduction
This DLL acts to make the menu more beautiful. The way it works is based on the existent menu and you will find it quite convenient to use it.

Characteristics
1) The code completely depends on the existent MENUITEMINFO structure and didn't allocate any structure array that store ...

PureBasic Forums - English

Search found 14 matches

Re: Invalid mem access when I use COM

Invalid mem access when I use COM

Re: PlaySound() in end of Thread

Re: PlaySound() in end of Thread

How to draw an icon by 2DDrawing lib?

Does PB regard .c in API structures as one byte in any case?

Re: Can I call a procedure by its pointer?

Can I call a procedure by its pointer?

Re: What does #PB_Function mean?

Re: What does #PB_Function mean?

What does #PB_Function mean?

A cute owner draw menu DLL (full Ver.)