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User get getting "bindingsource cannot be its own data source" error. Can't repro locally. Adding SyncBindingSource for datagrid views to attempt to solve it

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This commit is contained in:
Robert McRackan 2021-09-23 10:41:33 -04:00
parent 4fd16f04e0
commit 613c97524a
4 changed files with 33 additions and 5 deletions
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2
AppScaffolding/AppScaffolding.csproj
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@ -3,7 +3,7 @@
<PropertyGroup>
<TargetFramework>net5.0</TargetFramework>
<Version>6.0.4.1</Version>
<Version>6.0.5.1</Version>
</PropertyGroup>
<ItemGroup>

4
LibationWinForms/Dialogs/RemoveBooksDialog.Designer.cs generated
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@ -38,7 +38,7 @@ namespace LibationWinForms.Dialogs
this.authorsDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
this.miscDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
this.purchaseDateGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
this.gridEntryBindingSource = new System.Windows.Forms.BindingSource(this.components);
this.gridEntryBindingSource = new LibationWinForms.SyncBindingSource(this.components);
this.btnRemoveBooks = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
((System.ComponentModel.ISupportInitialize)(this._dataGridView)).BeginInit();
@ -176,7 +176,7 @@ namespace LibationWinForms.Dialogs
#endregion
private System.Windows.Forms.DataGridView _dataGridView;
private System.Windows.Forms.BindingSource gridEntryBindingSource;
private LibationWinForms.SyncBindingSource gridEntryBindingSource;
private System.Windows.Forms.Button btnRemoveBooks;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.DataGridViewCheckBoxColumn removeDataGridViewCheckBoxColumn;

4
LibationWinForms/ProductsGrid.Designer.cs generated
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@ -30,7 +30,7 @@
{
this.components = new System.ComponentModel.Container();
System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
this.gridEntryBindingSource = new System.Windows.Forms.BindingSource(this.components);
this.gridEntryBindingSource = new LibationWinForms.SyncBindingSource(this.components);
this.gridEntryDataGridView = new System.Windows.Forms.DataGridView();
this.dataGridViewImageButtonBoxColumn1 = new LibationWinForms.LiberateDataGridViewImageButtonColumn();
this.dataGridViewImageColumn1 = new System.Windows.Forms.DataGridViewImageColumn();
@ -222,7 +222,7 @@
#endregion
private System.Windows.Forms.BindingSource gridEntryBindingSource;
private LibationWinForms.SyncBindingSource gridEntryBindingSource;
private System.Windows.Forms.DataGridView gridEntryDataGridView;
private LiberateDataGridViewImageButtonColumn dataGridViewImageButtonBoxColumn1;
private System.Windows.Forms.DataGridViewImageColumn dataGridViewImageColumn1;

28
LibationWinForms/SyncBindingSource.cs Normal file
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@ -0,0 +1,28 @@
using System;
using System.ComponentModel;
using System.Threading;
using System.Windows.Forms;
// https://stackoverflow.com/a/32886415
namespace LibationWinForms
{
public class SyncBindingSource : BindingSource
{
private SynchronizationContext syncContext { get; }
public SyncBindingSource() : base()
=> syncContext = SynchronizationContext.Current;
public SyncBindingSource(IContainer container) : base(container)
=> syncContext = SynchronizationContext.Current;
public SyncBindingSource(object dataSource, string dataMember) : base(dataSource, dataMember)
=> syncContext = SynchronizationContext.Current;
protected override void OnListChanged(ListChangedEventArgs e)
{
if (syncContext != null)
syncContext.Send(_ => base.OnListChanged(e), null);
else
base.OnListChanged(e);
}
}
}