fix: fix crash error

mateof · mateof · commit b4d74b997402 · 2025-12-15T08:45:14.000+01:00
diff --git a/TelegramDownloader/Services/TransactionInfoService.cs b/TelegramDownloader/Services/TransactionInfoService.cs
@@ -208,14 +208,14 @@ public async Task resetUploadBytes()
         public void setDownloadSpeed(String speed)
         {
             downloadSpeed = speed;
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void setUploadSpeed(String speed)
         {
             //_logger.LogInformation("Set bytes speed upload {0}", speed);
             uploadSpeed = speed;
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void addToDownloadList(DownloadModel downloadModel)
@@ -235,7 +235,7 @@ public void addToDownloadList(DownloadModel downloadModel)
             downloadModels.Insert(0, downloadModel);
             PendingDownloadMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void addToPendingDownloadList(DownloadModel downloadModel, bool atFirst = false, bool chekDownloads = true)
@@ -274,7 +274,7 @@ public void PauseDownloads()
                 dm.Pause();
             }
             PendingDownloadMutex.ReleaseMutex();
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void PlayDownloads()
@@ -298,7 +298,7 @@ public void StopDownloads()
             }
             pendingDownloadModels.Clear();
             PendingDownloadMutex.ReleaseMutex();
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public async Task CheckPendingDownloads()
@@ -317,7 +317,7 @@ public async Task CheckPendingDownloads()
             }
             PendingDownloadMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public async Task CheckPendingUploadInfoTasks()
@@ -333,7 +333,7 @@ public async Task CheckPendingUploadInfoTasks()
             }
             PendingUploadInfoTaskMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void addToUploadList(UploadModel uploadModel)
@@ -350,14 +350,14 @@ public void addToUploadList(UploadModel uploadModel)
                 uploadModel.name, uploadModel._size / (1024.0 * 1024.0));
             uploadModels.Insert(0, uploadModel);
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void deleteUploadInList(UploadModel uploadModel)
         {
             uploadModels.Remove(uploadModel);
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void addToInfoDownloadTaskList(InfoDownloadTaksModel infoDownloadModel)
@@ -433,7 +433,7 @@ public void deleteDownloadInList(DownloadModel downloadModel)
             downloadModels.Remove(downloadModel);
             PendingDownloadMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void deletePendingDownloadInList(DownloadModel downloadModel)
@@ -442,7 +442,7 @@ public void deletePendingDownloadInList(DownloadModel downloadModel)
             pendingDownloadModels.Remove(downloadModel);
             PendingDownloadMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void ClearPendingDownloads()
@@ -452,7 +452,7 @@ public void ClearPendingDownloads()
             pendingDownloadModels.Clear();
             PendingDownloadMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public void ClearPendingUploads()
@@ -471,7 +471,7 @@ public void deleteInfoDownloadTaskFromList(InfoDownloadTaksModel idt)
             infoDownloadTaksModel.Remove(idt);
             PendingUploadInfoTaskMutex.ReleaseMutex();
             EventChanged?.Invoke(this, new EventArgs());
-            TaskEventChanged.Invoke(null, EventArgs.Empty);
+            TaskEventChanged?.Invoke(null, EventArgs.Empty);
         }
 
         public List<InfoDownloadTaksModel> getInfoDownloadTaksModel(int pageNumber, int pageSize)

Original file line number	Diff line number	Diff line change
`@@ -208,14 +208,14 @@ public async Task resetUploadBytes()`
`208`	`208`	`public void setDownloadSpeed(String speed)`
`209`	`209`	`{`
`210`	`210`	`downloadSpeed = speed;`
`211`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`211`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`212`	`212`	`}`
`213`	`213`
`214`	`214`	`public void setUploadSpeed(String speed)`
`215`	`215`	`{`
`216`	`216`	`//_logger.LogInformation("Set bytes speed upload {0}", speed);`
`217`	`217`	`uploadSpeed = speed;`
`218`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`218`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`219`	`219`	`}`
`220`	`220`
`221`	`221`	`public void addToDownloadList(DownloadModel downloadModel)`
`@@ -235,7 +235,7 @@ public void addToDownloadList(DownloadModel downloadModel)`
`235`	`235`	`downloadModels.Insert(0, downloadModel);`
`236`	`236`	`PendingDownloadMutex.ReleaseMutex();`
`237`	`237`	`EventChanged?.Invoke(this, new EventArgs());`
`238`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`238`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`239`	`239`	`}`
`240`	`240`
`241`	`241`	`public void addToPendingDownloadList(DownloadModel downloadModel, bool atFirst = false, bool chekDownloads = true)`
`@@ -274,7 +274,7 @@ public void PauseDownloads()`
`274`	`274`	`dm.Pause();`
`275`	`275`	`}`
`276`	`276`	`PendingDownloadMutex.ReleaseMutex();`
`277`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`277`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`278`	`278`	`}`
`279`	`279`
`280`	`280`	`public void PlayDownloads()`
`@@ -298,7 +298,7 @@ public void StopDownloads()`
`298`	`298`	`}`
`299`	`299`	`pendingDownloadModels.Clear();`
`300`	`300`	`PendingDownloadMutex.ReleaseMutex();`
`301`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`301`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`302`	`302`	`}`
`303`	`303`
`304`	`304`	`public async Task CheckPendingDownloads()`
`@@ -317,7 +317,7 @@ public async Task CheckPendingDownloads()`
`317`	`317`	`}`
`318`	`318`	`PendingDownloadMutex.ReleaseMutex();`
`319`	`319`	`EventChanged?.Invoke(this, new EventArgs());`
`320`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`320`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`321`	`321`	`}`
`322`	`322`
`323`	`323`	`public async Task CheckPendingUploadInfoTasks()`
`@@ -333,7 +333,7 @@ public async Task CheckPendingUploadInfoTasks()`
`333`	`333`	`}`
`334`	`334`	`PendingUploadInfoTaskMutex.ReleaseMutex();`
`335`	`335`	`EventChanged?.Invoke(this, new EventArgs());`
`336`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`336`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`337`	`337`	`}`
`338`	`338`
`339`	`339`	`public void addToUploadList(UploadModel uploadModel)`
`@@ -350,14 +350,14 @@ public void addToUploadList(UploadModel uploadModel)`
`350`	`350`	`uploadModel.name, uploadModel._size / (1024.0 * 1024.0));`
`351`	`351`	`uploadModels.Insert(0, uploadModel);`
`352`	`352`	`EventChanged?.Invoke(this, new EventArgs());`
`353`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`353`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`354`	`354`	`}`
`355`	`355`
`356`	`356`	`public void deleteUploadInList(UploadModel uploadModel)`
`357`	`357`	`{`
`358`	`358`	`uploadModels.Remove(uploadModel);`
`359`	`359`	`EventChanged?.Invoke(this, new EventArgs());`
`360`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`360`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`361`	`361`	`}`
`362`	`362`
`363`	`363`	`public void addToInfoDownloadTaskList(InfoDownloadTaksModel infoDownloadModel)`
`@@ -433,7 +433,7 @@ public void deleteDownloadInList(DownloadModel downloadModel)`
`433`	`433`	`downloadModels.Remove(downloadModel);`
`434`	`434`	`PendingDownloadMutex.ReleaseMutex();`
`435`	`435`	`EventChanged?.Invoke(this, new EventArgs());`
`436`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`436`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`437`	`437`	`}`
`438`	`438`
`439`	`439`	`public void deletePendingDownloadInList(DownloadModel downloadModel)`
`@@ -442,7 +442,7 @@ public void deletePendingDownloadInList(DownloadModel downloadModel)`
`442`	`442`	`pendingDownloadModels.Remove(downloadModel);`
`443`	`443`	`PendingDownloadMutex.ReleaseMutex();`
`444`	`444`	`EventChanged?.Invoke(this, new EventArgs());`
`445`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`445`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`446`	`446`	`}`
`447`	`447`
`448`	`448`	`public void ClearPendingDownloads()`
`@@ -452,7 +452,7 @@ public void ClearPendingDownloads()`
`452`	`452`	`pendingDownloadModels.Clear();`
`453`	`453`	`PendingDownloadMutex.ReleaseMutex();`
`454`	`454`	`EventChanged?.Invoke(this, new EventArgs());`
`455`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`455`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`456`	`456`	`}`
`457`	`457`
`458`	`458`	`public void ClearPendingUploads()`
`@@ -471,7 +471,7 @@ public void deleteInfoDownloadTaskFromList(InfoDownloadTaksModel idt)`
`471`	`471`	`infoDownloadTaksModel.Remove(idt);`
`472`	`472`	`PendingUploadInfoTaskMutex.ReleaseMutex();`
`473`	`473`	`EventChanged?.Invoke(this, new EventArgs());`
`474`		`- TaskEventChanged.Invoke(null, EventArgs.Empty);`
	`474`	`+ TaskEventChanged?.Invoke(null, EventArgs.Empty);`
`475`	`475`	`}`
`476`	`476`
`477`	`477`	`public List<InfoDownloadTaksModel> getInfoDownloadTaksModel(int pageNumber, int pageSize)`