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LoadResource
Add comment W32 Constants Translate this page |
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The LoadResource function loads the specified resource into global memory. |
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| Code examples: |
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| Declaration: |
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HGLOBAL LoadResource(
HMODULE hModule,
HRSRC hResInfo
);
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| FoxPro declaration: |
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DECLARE INTEGER LoadResource IN kernel32;
INTEGER hModule,;
INTEGER hResInfo
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| Parameters: |
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hModule
[in] Handle to the module whose executable file contains the resource.
hResInfo
[in] Handle to the resource to be loaded. This handle is returned by the FindResource or FindResourceEx function. |
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| Return value: |
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| If the function succeeds, the return value is a handle to the data associated with the resource. |
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| My comment: |
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If hModule is NULL, the system loads resource from the module that was used to create current process.
* * *
I am thinking about approaches to design of VFP application with auto-updateable executable, the master copy of which is stored on a web server. Definitely I am not the first person doing this -- read Rick Strahl`s article Automatic Application Updates over the Web with Visual FoxPro 7.0 -- so my thoughts may not be precisely original.
Normally Windows executable can not update itself. That means it needs help from another process; let`s call this one the Updating Process.
Six tasks for UP to get done:
- connect to the web server and check for updates
- check and terminate all processes originated from the main executable, ME
- download new version of ME from the web server
- overwrite ME
- restart ME
- terminate itself
For reasons of mobility UP executable can be stored as a binary resource inside ME. It is doable. ME can use something like LoadResource plus CopyMemory plus STRTOFILE() plus CreateProcess to invoke UP.
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| Word Index links for the LoadResource : |
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| Created: | 2003-05-16 10:21:55 | | Modified: | 2006-01-17 20:17:00 |
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