Hi, I have a custom action which I would like to modify a property which I
can pass to it in my wix code when pressing a button.
The purpose of this is to use the windows browse dialogs on any specified
property, so the property must be changable as there are multiple paths I
would like to browse for.
The custom action code I am using is written in C++ and it gets called
correctly.
As far as current reading has got me I have been able to determine that
parameters can be passed into the c++ function using MsiGetProperty. So I
would have to have a pre-determined property that can be set before calling
the custom action.
I have seen examples of how to do this using the InstallExecuteSequence for
deffered actions, but cannot find a way to do it within a UI based system.
Some code:
extern "C" UINT __stdcall BrowseDialog(MSIHANDLE hInstall)
{
// variables to store the property which contains the path property we
are
going to edit
TCHAR BrowseProperty[MAX_PATH];
DWORD BPLen = MAX_PATH;
// get the property value and display in a message box for the timebeing
MsiGetProperty(hInstall, _T("BROWSEPROPERTY"), BrowseProperty, &BPLen);
MessageBox(NULL, BrowseProperty, NULL, MB_OK);
return ERROR_SUCCESS;
}
...
<Property Id="BROWSEPROPERTY" Value="C:\Hello\Howareyou" />
<CustomAction Id="ShowBrowseDialog" BinaryKey="BrowseDialog"
DllEntry="BrowseDialog" />
...
<Control Id="CtlBtnBrowse" Type="PushButton" Text="!(loc.Browse)"
TabSkip="no" X="315" Y="277" Width="60" Height="20">
<Publish Event="DoAction" Value="ShowBrowseDialog" />
</Control>
...
Any help is appricated!! Thanks.
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