How to display UI dialog from C++ custom action? I found function
MsiPreviewDialog(). It need a handle to the preview. I Found
MsiEnableUIPreview() function, whitch need a handle to database. I try to
get database handle from MsiGetActiveDatabase() and MsiOpenDatabase() and it
was allways 0.
P.S. Custom action call's in <ProgressText> context.
<UI>
<ProgressText
Action="Check_InterBase_Server_Runnig">!(loc.CheckIBRunning)</ProgressText>
</UI>
<CustomAction Id="Check_InterBase_Server_Runnig"
BinaryKey="InterBaseDLL" DllEntry="CheckIBRunning" Execute="deferred"
Return="check" Impersonate="yes"/>
<InstallExecuteSequence>
<Custom Action="Check_InterBase_Server_Runnig"
After="ProcessComponents">NOT Installed</Custom>
</InstallExecuteSequence>
<Binary Id="InterBaseDLL"
SourceFile="$(var.SolutionDir)/ca/$(var.Configuration)/InterBase.dll"/>
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