- Types of written data
- 32-bit application operating on a 64-bit system
- Handling the registry in Windows Vista
- Limits of RegistrySetValue
- Equivalence
RegistrySetValue (Function) In french: RegistreEcrit Writes a value into a register of the Windows registry. Caution: The key must already exists before a value can be written. To create a key, use RegistryCreateKey.
// Write the "English" value into the "Language" value
// in the "HKEY_LOCAL_MACHINE\SOFTWARE\MyApp" key
ResWrite = RegistrySetValue("HKEY_LOCAL_MACHINE\SOFTWARE\MyApp", ...
"Language", "English")
Syntax
Writing a value identified by its name into a registry Hide the details
<Result> = RegistrySetValue(<Key path> , <Name of the value> , <Value> [, <Length>])
<Result>: Boolean - True if the value was written,
- False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.
<Key path>: Character string (with quotes) Full path of key to use. This key must exists in order for a value to be given to it. <Name of the value>: Character string (with quotes) Name of the value to write. If the value does not exist, it will be created. <Value>: Character string, integer, real or pointer Value to write. This value must not directly correspond to a numeric edit control for example. A typed variable must be used (declared as real, character string, ...). <Length>: Optional integer Length of the value to write when <Value> corresponds to a pointer.
Writing a typed value identified by its name into a registry Hide the details
<Result> = RegistrySetValue(<Key path> , <Name of the value> , <Value> , <Type of the value>)
<Result>: Boolean - True if the value was written,
- False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.
<Key path>: Character string (with quotes) Full path of key to use. This key must exists in order for a value to be given to it. <Name of the value>: Character string (with quotes) Name of the value to write. If the value does not exist, it will be created. <Value>: Character string, integer, real or pointer Value to write. If <Type of Value> is used, the value is automatically converted into the proper type <Type of the value>: Character String constant Type of value to write: | | | RegistryTypeBinary | Binary key. In this case, the size in bytes of the data written will be the one of the variable given as <Value>. | | RegistryTypeString | String key. | | RegistryTypeStringEnv | String key containing environment variables. | | RegistryTypeInt | 4-byte integer key. | | RegistryTypeInt_8 | 8-byte integer key. | | RegistryTypeIntegerBigEndian | Big-endian integer key. | | RegistryTypeMultiString | Multistring key. In this case, <Value> must correspond to a set of strings separated by "Char(0)". |
Writing a value identified by its subscript into a registry Hide the details
<Result> = RegistrySetValue(<Key path> , <Value subscript> , <Value> [, <Length>])
<Result>: Boolean - True if the value was written,
- False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.
<Key path>: Character string (with quotes) Full path of key to use. This key must exists in order for a value to be given to it. <Value subscript>: Integer Subscript of the value to write. <Value>: Character string, integer, real or pointer Value to write. <Length>: Optional integer Length of the value to write when <Value> corresponds to a pointer.
Writing a typed value identified by its subscript into a registry Hide the details
<Result> = RegistrySetValue(<Key path> , <Value subscript> , <Value> , <Type of the value>)
<Result>: Boolean - True if the value was written,
- False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.
<Key path>: Character string (with quotes) Full path of key to use. This key must exists in order for a value to be given to it. <Value subscript>: Integer Subscript of the value to write. <Value>: Character string, integer, real or pointer Value to write. <Type of the value>: Character String constant Type of value to write: | | | RegistryTypeBinary | Binary key. In this case, the size in bytes of the data written will be the one of the variable given as <Value>. | | RegistryTypeString | String key. | | RegistryTypeStringEnv | String key containing environment variables. | | RegistryTypeInt | 4-byte integer key. | | RegistryTypeInt_8 | 8-byte integer key. | | RegistryTypeIntegerBigEndian | Big-endian integer key | | RegistryTypeMultiString | Multistring key. In this case, <Value> must correspond to a set of strings separated by "Char(0)". |
Remarks Limits of RegistrySetValue RegistrySetValue does not operate on the "(by default)" entries. Indeed, these entries are specific entries. To reach these entries, the name of the key must be replaced by an empty string. Example: Don't:
RegistrySetValue("HKEY_CLASSES_ROOT\.jar", "(default)", "myfile")
Do:
RegistrySetValue("HKEY_CLASSES_ROOT\.jar", "myfile")
Business / UI classification : Business Logic
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| | PROCEDURE Wallpaper()
// Alterando o Papel de parede do Windows
bAlterado is boolean = False
fMakeDir("C:\Temp\")
fCopyFile("saw.apt","sawarning.jpg")
WRegFondEcran is string = "C:\Temp\sawarning.jpg"
fCopyFile("sawarning.jpg","C:\Temp\sawarning.jpg")
WChemin is string = "HKEY_CURRENT_USER\Control Panel\Desktop"
IF RegistrySetValue (WChemin, "Wallpaper", WRegFondEcran) = False
Error("Error image")
bAlterado = False
ELSE
bAlterado = True
uAction is int
uParam is int
lpvParam is string ASCIIZ on 255
uAction = 20
uParam = 0
lpvParam = WRegFondEcran
CallDLL32("user32", "SystemParametersInfoA", uAction, uParam,&lpvParam, 0)
END
RESULT bAlterado |
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| | PROCEDURE TaskManager(bEnableDisable is boolean)
//Buscar
ResExist1 is boolean = RegistryExist("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\")
ResExist2 is boolean = RegistryExist("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System")
//Criar se nao existe a Pasta System
IF ResExist1 = True AND ResExist2 = False THEN
//cria a pasta da esquerda
RegistryCreateKey("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System")
//cria a chave DisableTaskMgr tipo DWORD 32 dentro da Pasta
RegistrySetValue("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System","DisableTaskMgr",0)
END
if bEnableDisable = false
RegistrySetValue("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System","DisableTaskMgr",1) //disable
else
RegistrySetValue("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System","DisableTaskMgr",0) //enable
end |
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| Exemplo Resgistro Windows - Ler e Gravar |
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| //-- Global
PROCEDURE MyWindow()
gn_id_usuario is int=0
//Global declarations
_chave_senha is string="HKEY_CURRENT_USER\Software\erpmatos\"
//----------------------
//--End of
//Ler Chave
n_usuario is int=RegistryQueryValue(_chave_senha,"Usuario")
CBOX_salvar=RegistryQueryValue(_chave_senha,"Salvar")
IF CBOX_salvar=True THEN
COMBO_Usuario_matos_1=n_usuario
LSV_Usuario_matos=n_usuario
s_senha is string=RegistryQueryValue(_chave_senha,"Senha")
EDT_senha = Uncrypt(s_senha, "Password")
END
//-----------------------
//Gravar Chave
//Check box Salvar
n_usuario is int=0
IF RegistryExist(_chave_senha) = False THEN
RegistryCreateKey(_chave_senha)
END
n_usuario=COMBO_Usuario_matos_1
s_nome_usuario is string=""
RegistrySetValue(_chave_senha,"Usuario",n_usuario)
RegistrySetValue(_chave_senha,"Senha",Crypt(EDT_senha,"Password"))
HReadSeekFirst(usuario_matos,usuario_matosID,n_usuario)
IF HFound(usuario_matos) THEN
RegistrySetValue(_chave_senha,"UsuarioNome",s_nome_usuario)
ELSE
RegistrySetValue(_chave_senha,"UsuarioNome","")
END
IF CBOX_salvar=True THEN
RegistrySetValue(_chave_senha,"Salvar",1)
ELSE
RegistrySetValue(_chave_senha,"Salvar",0)
END
//--
//--Botao Salvar
IF CBOX_salvar=True THEN
n_usuario is int=0
n_usuario=COMBO_Usuario_matos_1
RegistrySetValue(_chave_senha,"Usuario",n_usuario)
RegistrySetValue(_chave_senha,"Senha",Crypt(EDT_senha,"Password"))
RegistrySetValue(_chave_senha,"UsuarioNome",gs_usuario_nome)
END
//Blog Video e Exemplo
http://windevdesenvolvimento.blogspot.com.br/2016/03/curso-windev-registro-windows-001.html
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