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MSI Conditions
Use Conditions to Execute Custom Actions
Condition
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Description
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| REMOVE~=”ALL” |
Check if we're uninstalling: |
| NOT REMOVE~=”ALL” |
Check if we're not uninstalling |
| REINSTALL |
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| InstallMode~="Complete" |
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| MaintenanceMode~="Modify" |
Modify Mode running |
| MaintenanceMode~="Repair" |
Repair Mode running |
| MaintenanceMode~="Remove" |
Remove Mode running (see also REMOVE~="All" |
| Version9x |
Windows 9x, ME |
| VersionNT |
Windows NT, >2000, XP |
| NOT Installed |
First Time Installation |
| Installed |
Already installed? |
| Installed AND REMOVE="ALL" |
Already installed an supposed to be uninstalled |
| SystemLanguageID=1031 |
running German OS Interface |
| OutOfDiskSpace |
We're out of DiskSpace |
| PhysicalMemory>256 |
Do we have enough RAM? |
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| AFTERREBOOT |
We're running after a Reboot |
If a property values does not exist Condition returns false.
"Instr" Operators for Conditions
very nice to compare Strings
Operator
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Description
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Example
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| >< |
left string contains the right string. |
INSTALLDIR><"Program Files"" |
| << |
left string starts with the right string. |
INSTALLDIR<<"C:\" |
| >> |
left string ends with the right string. |
INSTALLDIR>>":\" |
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