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POCombobox closes before i can select a checkbox
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2013-07-01T18:07:24.697
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2017-05-23T10:25:32.020
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I'm currently working in VS 2012. .NET 4.5 and working on an mmc snap-in. (i know right?!) so i followed this topic: <a href="https://stackoverflow.com/questions/8822678/is-there-a-simple-way-to-implement-a-checked-combobox-in-winforms">Is there a simple way to implement a Checked Combobox in WinForms</a> as i want something similar to the scheduled task manager. But that solution does not seem to work for me. the listview pops up but when i try to click on a checkbox in my listview. It gives me a big middle finger and closes my dropdown. is there any way i can suppress the combobox's "focus lost" close event? i can, not hide the list but then it never hides. For Example: <pre><code>// designer class // // comboBox1 // this.comboBox1.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawFixed; this.comboBox1.DropDownHeight = 1; this.comboBox1.DropDownWidth = 1; this.comboBox1.FormattingEnabled = true; this.comboBox1.IntegralHeight = false; this.comboBox1.Location = new System.Drawing.Point(256, 371); this.comboBox1.Name = "comboBox1"; this.comboBox1.Size = new System.Drawing.Size(238, 21); this.comboBox1.TabIndex = 5; this.comboBox1.DropDown += new System.EventHandler(this.comboBox1_DropDown); this.comboBox1.DropDownClosed += new System.EventHandler(this.comboBox1_DropDownClosed); // // lstWeekDays // this.lstWeekDays.CheckBoxes = true; this.lstWeekDays.Location = new System.Drawing.Point(50, 63); this.lstWeekDays.Name = "lstWeekDays"; this.lstWeekDays.Size = new System.Drawing.Size(263, 97); this.lstWeekDays.TabIndex = 13; this.lstWeekDays.Tag = "lstlstWeekDays"; this.lstWeekDays.UseCompatibleStateImageBehavior = false; this.lstWeekDays.View = System.Windows.Forms.View.SmallIcon; this.lstWeekDays.Visible = false; // Code behind public Form1() { InitializeComponent(); this.lstWeekDays.Items.Add("Monday"); this.lstWeekDays.Items.Add("Tuesday"); this.lstWeekDays.Items.Add("Wednesday"); this.lstWeekDays.Items.Add("Thursday"); this.lstWeekDays.Items.Add("Friday"); this.lstWeekDays.Items.Add("Saturday"); this.lstWeekDays.Items.Add("Sunday"); } private void comboBox1_DropDown(object sender, EventArgs e) { lstWeekDays.Visible = true; } private void comboBox1_DropDownClosed(object sender, EventArgs e) { lstWeekDays.Visible = false; } </code></pre> Add the checkboxes to this list instead of the panel.
Tags
<c#><.net><winforms><mmc3>
Title
Combobox closes before i can select a checkbox
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1. USPuzzle84
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