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Stored procedures
Checks the existence of a key in the Windows registry.
Example
// Checks the existence of the "HKEY_LOCAL_MACHINE\SOFTWARE\MyApp" key
ResExist = RegistryExist("HKEY_LOCAL_MACHINE\SOFTWARE\MyApp")
Syntax

Checking the existence of a key or key value Hide the details

<Result> = RegistryExist([<Access mode>, ] <Key path> [, <Value name>])
<Result>: Boolean
  • True if the specified key or value exists,
  • False otherwise.
<Access mode>: Integer constant
Registry access mode:
registryMode32Forced mode to access the registry as a 32-bit program.
registryMode64Forced mode to access the registry as a 64-bit program.
registryModeAuto
(Default value)
Automatic registry access mode:
  • a 32-bit application running on a 32-bit system manipulates the registry as a 32-bit program.
  • a 32-bit application running on a 64-bit system manipulates the registry from the following branch:
    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node
  • a 64-bit application running on a 64-bit system manipulates the registry as a 64-bit program.
<Key path>: Character string
Path of key to check.
<Value name>: Optional character string
Name of value to check. If this parameter is not specified, the value checked will be the "<Default>" value. To check the "<Default>" value, <Value name> must be "0".

Checking the existence of a key value identified by its index Hide the details

<Result> = RegistryExist([<Access mode>, ] <Key path> , <Value index>)
<Result>: Boolean
  • True if the specified value exists,
  • False otherwise.
<Access mode>: Integer constant
Registry access mode:
registryMode32Forced mode to access the registry as a 32-bit program.
registryMode64Forced mode to access the registry as a 64-bit program.
registryModeAuto
(Default value)
Automatic registry access mode:
  • a 32-bit application running on a 32-bit system manipulates the registry as a 32-bit program.
  • a 32-bit application running on a 64-bit system manipulates the registry from the following branch:
    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node
  • a 64-bit application running on a 64-bit system manipulates the registry as a 64-bit program.
<Key path>: Character string
Path of key to check.
<Value index>: Integer
Index of the value to be checked. If this parameter is not specified, the value checked will be the "<Default>" value. To check the "<Default>" value, <Value index> must be "0".
Business / UI classification: Business Logic
Component: wd290std.dll
Minimum version required
  • Version 9
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Comments
Exemplo Resgistro Windows - Ler e Gravar
//-- 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
De matos AMARILDO
28 Mar. 2016

Last update: 05/26/2022

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