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Code Issues 668 Packages Projects Releases 20 Wiki Activity

Fixed single instance behavior

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This commit is contained in:
Florian Rappl
2025-11-02 23:35:46 +01:00
parent 7bcc5c9878
commit 688d6d83cc
3 changed files with 12 additions and 3 deletions
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1
Changelog.md
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@@ -4,6 +4,7 @@
- Updated `PrintToPDFOptions` to also allow specifying the `PageSize` with an object (#769)
- Updated splashscreen image to have 0 margin (#622)
- Fixed single instance behavior using the `ElectronSingleInstance` property (#901)
- Added option to use `ElectronSplashScreen` with an HTML file (#799)
- Added option to provide floating point value as aspect ratios with `SetAspectRatio` (#793)

12
src/ElectronNET.API/Runtime/StartupManager.cs
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@@ -136,18 +136,26 @@
buildInfo.ElectronExecutable = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.ElectronExecutable))?.Value;
buildInfo.ElectronVersion = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.ElectronVersion))?.Value;
buildInfo.RuntimeIdentifier = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.RuntimeIdentifier))?.Value;
buildInfo.ElectronSingleInstance = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.ElectronSingleInstance))?.Value;
buildInfo.Title = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.Title))?.Value;
buildInfo.Version = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.Version))?.Value;
buildInfo.BuildConfiguration = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.BuildConfiguration))?.Value;
var isAspNet = attributes.FirstOrDefault(e => e.Key == "IsAspNet")?.Value;
var isSingleInstance = attributes.FirstOrDefault(e => e.Key == nameof(buildInfo.ElectronSingleInstance))?.Value;
var httpPort = attributes.FirstOrDefault(e => e.Key == "AspNetHttpPort")?.Value;
if (isAspNet?.Length > 0 && bool.TryParse(isAspNet, out var res) && res)
{
ElectronNetRuntime.DotnetAppType = DotnetAppType.AspNetCoreApp;
}
var httpPort = attributes.FirstOrDefault(e => e.Key == "AspNetHttpPort")?.Value;
if (isSingleInstance?.Length > 0 && bool.TryParse(isSingleInstance, out var res) && res)
{
buildInfo.ElectronSingleInstance = "yes";
}
else
{
buildInfo.ElectronSingleInstance = "no";
}
if (httpPort?.Length > 0 && int.TryParse(httpPort, out var port))
{

2
src/ElectronNET.Host/main.js
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@@ -92,7 +92,7 @@ app.on('will-finish-launching', () => {
const manifestJsonFile = require(manifestJsonFilePath);
if (manifestJsonFile.singleInstance) {
if (manifestJsonFile.singleInstance === "yes") {
const mainInstance = app.requestSingleInstanceLock();
app.on('second-instance', (events, args = []) => {
args.forEach((parameter) => {